A draft glibc year-2038 design document

Thursday, February 23, 16:08 UTC @ Lobsters

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Ten example uses of Monads

Thursday, February 23, 16:04 UTC @ Lobsters

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Using Molly to Model and Test Data Replication in Elasticsearch

Thursday, February 23, 16:01 UTC @ Lobsters

Repo for Molly, and the paper it is based on: Lineage-driven Fault Injection in case anyone is interested. Comments

Is Digital Privacy a Privilege Of The Wealthy?

Thursday, February 23, 16:00 UTC @ Lobsters

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Google and Mozilla's message to AV and security firms: Stop trashing HTTPS

Thursday, February 23, 15:42 UTC @ Lobsters

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Politicizing science is nothing new: it happened to Ben Franklin (Synopsis)

Thursday, February 23, 15:11 UTC @ Starts With A Bang

“When Benjamin Franklin inveted the lightning rod, the clergy, both in England and America, with enthusiastic support of George III, condemned it as an impious attempt to defeat the will of God.” -Bertrand Russell You’ll often hear charges that science has become too politicized, but it’s the other way around. Science is our best way…

Docker in Production: An Update

Thursday, February 23, 14:13 UTC @ Lobsters

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Linux kernel: CVE-2017-6074 - local privilege escalation in DCCP

Thursday, February 23, 13:52 UTC @ Lobsters

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Spanner, TrueTime & The CAP Theorem

Thursday, February 23, 13:23 UTC @ Lobsters

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Announcing the first SHA1 collision

Thursday, February 23, 13:17 UTC @ Lobsters

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SHAttered

Thursday, February 23, 13:14 UTC @ Lobsters

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Book Review: “The Particle Zoo” by Gavin Hesketh

Thursday, February 23, 12:46 UTC @ Backreaction

The Particle Zoo: The Search for the Fundamental Nature of Reality By Gavin Hesketh Quercus (1 Sept. 2016) The first word in Gavin Hesketh’s book The Particle Zoo is “Beauty.” I read the word, closed the book, and didn’t reopen it for several months. Having just myself finished writing a book about the role of beauty in theoretical physics, it was the absolutely last thing I wanted to hear about

Book Review: “The Particle Zoo” by Gavin Hesketh

Thursday, February 23, 12:46 UTC @ Backreaction

The Particle Zoo: The Search for the Fundamental Nature of Reality By Gavin Hesketh Quercus (1 Sept. 2016) The first word in Gavin Hesketh’s book The Particle Zoo is “Beauty.” I read the word, closed the book, and didn’t reopen it for several months. Having just myself finished writing a book about the role of beauty in theoretical physics, it was the absolutely last thing I wanted to hear about

freedom-delayed: Checklist for projects that have promised to liberate software in the future

Thursday, February 23, 12:10 UTC @ Lobsters

(but so far, haven’t) Comments

Ken Arrow and Oscars Voting

Thursday, February 23, 12:07 UTC @ Computational Complexity

Kenneth Arrow, the Nobel Prize winning economist known for his work on social choice and general equilibrium, passed away Tuesday at the age of 95. I can't cover Arrow's broad influential work in this blog post even if I were an economist but I would like to talk about Ken Arrow's perhaps best known work, his

OpenBSD Foundation 2016 Fundraising

Thursday, February 23, 11:15 UTC @ Lobsters

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Solving the mystery behind the OP1 processor in the Chromebook Plus

Thursday, February 23, 10:47 UTC @ Lobsters

I did not include more tags, because I was not sure they apply: android and linux. Maybe it would be good idea to add google tag (and apple and microsoft as well)? Or just add chromeos/chromebook as we have mac, windows, linux and all the bsds? Comments

Stop Comparing JSON and XML — No, Really

Thursday, February 23, 10:43 UTC @ Lobsters

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FreeBSD-SA-17:02.openssl

Thursday, February 23, 08:00 UTC @ FreeBSD Security Advisories

On designing with sum and product types

Thursday, February 23, 05:28 UTC @ Lobsters

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Runner Disqualified After Claiming 2nd Place in Fort Lauderdale Half Marathon

Thursday, February 23, 04:50 UTC @ Hacker News: Newest

Article URL: http://... URL: https://... 269# Comments: 101

Identifying high betweenness centrality nodes in large social networks. (arXiv:1702.06087v2 [cs.DS] UPDATED)

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

This paper proposes an alternative way to identify nodes with high betweenness centrality. It introduces a new metric, k-path centrality, and a randomized algorithm for estimating it, and shows empirically that nodes with high k-path centrality have high node betweenness centrality. The randomized algorithm runs in time $O(\kappa^{3}n^{2-2\alpha}\log n)$ and outputs, for each vertex v, an estimate of its k-path centrality up to additive error of $\pm n^{1/2+ \alpha}$ with probability $1-1/n^2$. Experimen

A Note on Amortized Branching Program Complexity. (arXiv:1611.06632v2 [cs.CC] UPDATED)

Thursday, February 23, 01:30 UTC @ cs.CC updates on arXiv.org

In this paper, we show that while almost all functions require exponential size branching programs to compute, for all functions $f$ there is a branching program computing a doubly exponential number of copies of $f$ which has linear size per copy of $f$. This result disproves a conjecture about non-uniform catalytic computation, rules out a certain type of bottleneck argument for proving non-monotone space lower bounds, and can be thought of as a constructive analogue of Razborov's result that submodula

Rapid Asynchronous Plurality Consensus. (arXiv:1602.04667v5 [cs.DC] UPDATED)

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

We consider distributed plurality consensus in a complete graph of size $n$ with $k$ initial opinions. We design an efficient and simple protocol in the asynchronous communication model that ensures that all nodes eventually agree on the initially most frequent opinion. In this model, each node is equipped with a random Poisson clock with parameter $\lambda=1$. Whenever a node's clock ticks, it samples some neighbors, uniformly at random and with replacement, and adjusts its opinion according to the samp

Parameterized Shifted Combinatorial Optimization. (arXiv:1702.06844v1 [cs.CC])

Thursday, February 23, 01:30 UTC @ cs.CC updates on arXiv.org

Shifted combinatorial optimization is a new nonlinear optimization framework which is a broad extension of standard combinatorial optimization, involving the choice of several feasible solutions at a time. This framework captures well studied and diverse problems ranging from so-called vulnerability problems to sharing and partitioning problems. In particular, every standard combinatorial optimization problem has its shifted counterpart, which is typically much harder. Already with explicitly given input

A Simple Convex Layers Algorithm. (arXiv:1702.06829v1 [cs.CG])

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

Given a set of $n$ points $P$ in the plane, the first layer $L_1$ of $P$ is formed by the points that appear on $P$'s convex hull. In general, a point belongs to layer $L_i$, if it lies on the convex hull of the set $P \setminus \bigcup_{j<i}\{L_j\}$. The \emph{convex layers problem} is to compute the convex layers $L_i$. Existing algorithms for this problem either do not achieve the optimal $\mathcal{O}\left(n\log n\right)$ runtime and linear space, or are overly complex and difficult to apply in pra

TC^0 circuits for algorithmic problems in nilpotent groups. (arXiv:1702.06616v1 [math.GR])

Thursday, February 23, 01:30 UTC @ cs.CC updates on arXiv.org

Recently, MacDonald et. al. showed that many algorithmic problems for nilpotent groups including computation of normal forms, the subgroup membership problem, the conjugacy problem, and computation of presentations of subgroups can be done in Logspace. Here we follow their approach and show that all these problems are actually complete for the uniform circuit class TC^0 -- uniformly for all r-generated nilpotent groups of class at most c for fixed r and c. Moreover, if we allow a certain binary r

Twenty (simple) questions. (arXiv:1611.01655v2 [cs.DM] UPDATED)

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

A basic combinatorial interpretation of Shannon's entropy function is via the "20 questions" game. This cooperative game is played by two players, Alice and Bob: Alice picks a distribution $\pi$ over the numbers $\{1,\ldots,n\}$, and announces it to Bob. She then chooses a number $x$ according to $\pi$, and Bob attempts to identify $x$ using as few Yes/No queries as possible, on average. An optimal strategy for the "20 questions" game is given by a Huffman code for $\pi$: Bob's questions reveal t

Parameterized Aspects of Triangle Enumeration. (arXiv:1702.06548v1 [cs.DS])

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

Listing all triangles in an undirected graph is a fundamental graph primitive with numerous applications. It is trivially solvable in time cubic in the number of vertices. It has seen a significant body of work contributing to both theoretical aspects (e.g., lower and upper bounds on running time, adaption to new computational models) as well practical aspects (e.g. algorithms tuned for large graphs). Motivated by the fact that the worst-case running time is cubic, we perform a systematic parameterized c

Double Threshold Digraphs. (arXiv:1702.06614v1 [cs.DS])

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

A semiorder is a model of preference relations where each element $x$ is associated with a utility value $\alpha(x)$, and there is a threshold $t$ such that $y$ is preferred to $x$ iff $\alpha(y) > \alpha(x)+t$. These are motivated by the notion that there is some uncertainty in the utility values we assign an object or that a subject may be unable to distinguish a preference between objects whose values are close. However, they fail to model the well-known phenomenon that preferences are not always t

Stop-and-Stare: Optimal Sampling Algorithms for Viral Marketing in Billion-scale Networks. (arXiv:1605.07990v3 [cs.SI] UPDATED)

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

Influence Maximization (IM), that seeks a small set of key users who spread the influence widely into the network, is a core problem in multiple domains. It finds applications in viral marketing, epidemic control, and assessing cascading failures within complex systems. Despite the huge amount of effort, IM in billion-scale networks such as Facebook, Twitter, and World Wide Web has not been satisfactorily solved. Even the state-of-the-art methods such as TIM+ and IMM may take days on those networks.

On the Complexity of Various Parameterizations of Common Induced Subgraph Isomorphism. (arXiv:1412.1261v2 [cs.DS] UPDATED)

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

In the Maximum Common Induced Subgraph problem (henceforth MCIS), given two graphs $G_1$ and $G_2$, one looks for a graph with the maximum number of vertices being both an induced subgraph of $G_1$ and $G_2$. MCIS is among the most studied classical NP-hard problems. It remains NP-hard on many graph classes including forests. In this paper, we study the parameterized complexity of MCIS. As a generalization of \textsc{Clique}, it is W[1]-hard parameterized by the size of the solution. Being NP-hard even o

Compact linear programs for 2SAT. (arXiv:1702.06723v1 [math.OC])

Thursday, February 23, 01:30 UTC @ cs.DS updates on arXiv.org

For each integer $n$ we present an explicit formulation of a compact linear program, with $O(n^3)$ variables and constraints, which determines the satisfiability of any 2SAT formula with $n$ boolean variables by a single linear optimization. This contrasts with the fact that the natural polytope for this problem, formed from the convex hull of all satisfiable formulas and their satisfying assignments, has superpolynomial extension complexity. Our formulation is based on multicommodity flows. We also disc

The Billable Hour - Evil in our Time

Thursday, February 23, 01:01 UTC @ Lobsters

Corporate IT loves the billable hour, and they are wrong. This article doesn’t actually go live till tomorrow, but I figured I’d share it with this community to see if it generated any feedback. Comments

Inside Uber’s Aggressive, Unrestrained Workplace Culture

Thursday, February 23, 00:52 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 392# Comments: 351

Netflix Buys Worldwide Rights to Martin Scorsese’s ‘The Irishman’, Starring Robert De Niro

Thursday, February 23, 00:35 UTC @ Daring Fireball

Dave McNary, reporting for Variety: Netflix has acquired worldwide rights to Martin Scorsese’s gangster movie “The Irishman,” starring Robert De Niro. Netflix would not comment on the deal but sources close to the project confirmed a report by IndieWire. “The Irishman” will be the ninth collaboration between Scorsese and De Niro. Steven Zaillian has written the script, based on the Charles Brandt’s 2004 book, “I Heard You Paint Houses,” which centered on the lif

Social Media Needs A Travel Mode

Wednesday, February 22, 23:12 UTC @ Lobsters

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SafeC Tutorial for Developers Who Already Know C

Wednesday, February 22, 23:12 UTC @ Lobsters

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What Happens to Your Body on a Thru-Hike

Wednesday, February 22, 23:09 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 378# Comments: 201

Tesla Says Model 3 on Track as Quarterly Loss Beats Estimates

Wednesday, February 22, 21:47 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 295# Comments: 216

Watch tomorrow: What’s next for democracy? A live Facebook chat

Wednesday, February 22, 21:23 UTC @ TED Blog

Tomorrow, join us on Facebook Live for another episode of TED Dialogues, our response to current events, adding insight, context and nuance to the conversations we’re having right now. Join us Thursday, February 23, 2017 at 1–2pm on TED’s Facebook page. Our speakers are two historians who will try to help us make sense of […]

How Peter Thiel’s Palantir Helped the NSA Spy on the Whole World

Wednesday, February 22, 20:59 UTC @ Lobsters

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Video Pros Moving From Mac to Windows for High-End GPUs

Wednesday, February 22, 20:49 UTC @ Daring Fireball

Marco Solorio, writing for One River Media: But as good as that juiced up Mac Pro Tower is today, I know at some point, the time will have to come to an end, simply because Apple hasn’t built a PCIe-based system in many years now. As my article described, the alternative Mac Pro trashcan is simply not a solution for our needs, imposing too many limitations combined with a very high price tag. The Nvidia GTX 1080 might be the final nail in

Castro 2.3

Wednesday, February 22, 20:43 UTC @ Daring Fireball

Nice update to another great indie podcast player. The custom notifications for new episode triage look like a great idea. ★

Tour of F#

Wednesday, February 22, 19:33 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 346# Comments: 125

Do responsive sites have to be so tall on mobile?

Wednesday, February 22, 19:20 UTC @ Lobsters

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Nicolas Hafner: Portacle - Adventures in Cross-Platform Deployment - Confession 72

Wednesday, February 22, 18:58 UTC @ Planet Lisp

As announced in my previous post, I've decided to do a write-up that illustrates my adventures in developing Portacle, a cross-platform, portable, installer-less, self-contained Common Lisp development environment. The reason why I started with portacle in the first place is that, some day, probably in the distant future, I want to write a long series of long articles th

Trappist-1: Scientists Find 7 Earth-Like Planets Orbiting Nearby Ultracool Star

Wednesday, February 22, 18:51 UTC @ Daring Fireball

Nsikan Akpan, writing for PBS News: Skip 39 light-years across our galaxy, and you’ll arrive at Trappist-1, an ultracool dwarf star with a band of special followers. This dim star hosts seven Earth-like planets within its habitable zone, according to a study published today in the journal Nature. Exoplanets are a dime a dozen these days, but due to unique properties in this exosolar system, the new discovery may usher in a movement in the hunt for habitable worlds — one where

OmniOutliner Essentials

Wednesday, February 22, 18:17 UTC @ inessential.com

Omni introduces OmniOutliner Essentials: We didn’t want to just reach out to our existing audience; we wanted to introduce the joys and benefits of outlining to a much larger audience. We decided that meant two things: we needed to make the app much simpler, and we needed to make it much more affordable. It’s in public preview now.

APIs, robustness, and idempotency

Wednesday, February 22, 18:17 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 248# Comments: 40

Seven earth-sized planets discovered circling a star 39 light years from Earth

Wednesday, February 22, 18:02 UTC @ Hacker News: Newest

Article URL: http://... URL: https://... 2064# Comments: 626

Seven planets, including three habitable ones, found around ultra-cool dwarf star (Synopsis)

Wednesday, February 22, 18:00 UTC @ Starts With A Bang

“It isn’t only the beauty of the night sky that thrills me. It’s the sense I have that some of those points of light are the home stars of beings not so different from us, daily cares and all. who look across space with wonder, just as we do.” -Frank Drake What is it that…

Gaming Needs To Have More Arguments. Here Are Some Topic Suggestions!!!

Wednesday, February 22, 17:55 UTC @ Lobsters

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Announcing TypeScript 2.2

Wednesday, February 22, 17:55 UTC @ Lobsters

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New Episode of Computer Show

Wednesday, February 22, 17:31 UTC @ Daring Fireball

“Why would you ever need to print anything?” ★

Writing An Interpreter In Go: The Paperback Edition

Wednesday, February 22, 17:03 UTC @ Lobsters

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Demangling C++ Symbols in Rust

Wednesday, February 22, 16:40 UTC @ Hacker News: Newest

Article URL: http://... URL: https://... 234# Comments: 42

API Design Guide

Wednesday, February 22, 16:21 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 709# Comments: 159

Making Money Using Math

Wednesday, February 22, 16:17 UTC @ ACM Queue - All Queue Content

A big difference between human-written code and learned models is that the latter are usually not represented by text and hence are not understandable by human developers or manipulable by existing tools. The consequence is that none of the traditional software engineering techniques for conventional programs (such as code reviews, source control, and debugging) are applicable anymore. Since incomprehensibility is not unique to learned code, these aspects are not of concern here.

AMD Ryzen price and release date revealed

Wednesday, February 22, 15:26 UTC @ Hacker News: Newest

Article URL: http://... URL: https://... 273# Comments: 130

Apple’s New Campus Has a Name: Apple Park

Wednesday, February 22, 14:33 UTC @ Daring Fireball

Apple: Apple today announced that Apple Park, the company’s new 175-acre campus, will be ready for employees to begin occupying in April. The process of moving more than 12,000 people will take over six months, and construction of the buildings and parklands is scheduled to continue through the summer. […] Steve would have turned 62 this Friday, February 24. To honor his memory and his enduring influence on Apple and the world, the theater at Apple Park will be named th

Mailgun Becomes an Independent Company

Wednesday, February 22, 13:46 UTC @ Hacker News: Newest

Article URL: http://... URL: https://... 224# Comments: 93

Acute exercise increases expression of telomere protective genes in heart tissue

Wednesday, February 22, 13:04 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 202# Comments: 80

Assignment complete, twenty years later

Wednesday, February 22, 12:55 UTC @ John D. Cook

In one section of his book The Great Good Thing, novelist Andrew Klavan describes how he bluffed his way through high school and college, not reading anything he was assigned. He doesn’t say what he majored in, but apparently he got an English degree without reading a book. He only tells of one occasion where […]

The Impact Github is Having on Your Software Career

Wednesday, February 22, 12:49 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 343# Comments: 226

Horses for courses

Wednesday, February 22, 12:01 UTC @ Signal v. Noise - Medium

Post-Olympic Abandonment

Wednesday, February 22, 09:53 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 203# Comments: 152

ECMAScript 2016+ in Firefox

Wednesday, February 22, 09:24 UTC @ Hacker News: Newest

Article URL: https://... URL: https://... 252# Comments: 84

2016 LLVM Developers' Meeting - Experience from Johannes Doerfert, Travel Grant Recipient

Wednesday, February 22, 07:26 UTC @ Planet Clang

This blog post is part of a series of blog posts from students who were funded by the LLVM Foundation to attend the 2016 LLVM Developers' Meeting in San Jose, CA. Please visit the LLVM Foundation's webpage for more information on our Travel Grants program.This post is from Johannes Doerfert:2016 was my third time attending the US LLVM developers meeting and for the third year in a row I was impressed by the quality of the talks, the organization and the diversity of attendees. The hands on experiences th

Jess Frazelle

Wednesday, February 22, 06:47 UTC @ Lobsters

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How Much Do You Cost?

Wednesday, February 22, 06:33 UTC @ Lobsters

Comments

Joanna Stern on Why Digital Assistants Tend to Have Female Voices

Wednesday, February 22, 00:06 UTC @ Daring Fireball

Joanna Stern, writing for The Wall Street Journal: You get the point: The virtual assistants popping up in our lives sound overwhelmingly female. “I’m female in character,” Amazon’s Alexa responds if you ask her if she is a woman. In their own clever ways Google, Apple and Microsoft’s voice assistants will tell you they’re genderless…in unmistakably womanlike voices. As femme bot after femme bot has invaded our phones , speakers, cars, TVs — even our refrige

[Sponsor] Mac Private Clouds From MacStadium

Tuesday, February 21, 22:53 UTC @ Daring Fireball

It’s time to get your Mac infrastructure out of the office closet and into the hands of the experts. Some of the biggest companies in the world use MacStadium for their agile software development needs. With three worldwide locations, and the ability to scale infinitely, it’s the AWS-like service for iOS and macOS. A hosted Mac Private Cloud is powered by VMware and running on dedicated Mac hardware. It allows quick deployment of virtual servers of any

Microresumés

Tuesday, February 21, 22:42 UTC @ John D. Cook

I posted a couple things on Twitter today about micro-resumés. First, here’s how I’d summarize my work in a tweet. What I’ve done: Math prof, programmer, statistician What I do now: Consulting #microresume — John D. Cook (@JohnDCook) February 21, 2017 (The formatting is a little off above. It’s leaving out a couple line breaks […]

Overcast 3: Design Walkthrough

Tuesday, February 21, 21:18 UTC @ Daring Fireball

Marco Arment just released version 3.0 of his iOS podcast player, Overcast, and here he documents all of the significant UI changes. I have two high-level takeaways: This is a terrific update. A lot has changed, and I think every single one of the changes is for the better. But, I think casual Overcast users might not realize just how much has changed. It still feels familiar. That’s hard to pull off. The work that went into re-doing existing features in 3.0 is exact

How to: Have your AI assistant add notes to a meeting

Tuesday, February 21, 20:19 UTC @ x.ai

It happens, we all forget things. You’re the last one out of the office, and you can’t remember if you locked the door behind you. Or you have a colleague … View Article The post How to: Have your AI assistant add notes to a meeting appeared first on x.ai

Just 4 Miles From Center City Philadelphia, a Heroin Hellscape Hidden in Plain Sight

Tuesday, February 21, 19:10 UTC @ Daring Fireball

Eye-opening report by Stephanie Farr and Sam Wood for The Philadelphia Inquirer: Along a half-mile gorge cut by a Conrail line that runs through Kensington and Fairhill, tens of thousands of used syringes and their tossed off orange caps cover the sloping ground like a plague of locusts. The contaminated needles make conditions so hazardous that even some police officers are reluctant to traverse the embankments to get to dead overdose victims at the bottom. The squalor and cha

El modelo estándar extendido SM*A*S*H

Tuesday, February 21, 16:52 UTC @ La Ciencia de la Mula Francis

Hay cosas que el modelo estándar (SM) no explica. El modelo νMSM de Shaposhnikov añade tres neutrinos dextrógiros al SM con masas entre keV y GeV para explicar algunas. El español Guillermo Ballesteros y varios colegas proponen el modelo […] Leer más

Did Mars Once Have Three Moons? (Synopsis)

Tuesday, February 21, 15:02 UTC @ Starts With A Bang

“The larger inner moons fall back to Mars after about 5 million years due to the tidal pull of the planet, after which the two outer satellites evolve into Phobos- and Deimos-like orbits.” -Pascal Rosenblatt, et al. Compared to the other moons we know of in the Solar System, Mars’s two, Phobos and Deimos, are incredibly difficult to…

In Mathematics, ‘You Cannot Be Lied To’

Tuesday, February 21, 13:37 UTC @ Quanta Magazine

For Sylvia Serfaty, mathematics is all about truth and beauty and building scientific and human connections.

Visualizing graph spectra like chemical spectra

Tuesday, February 21, 13:00 UTC @ John D. Cook

You can associate a matrix with a graph and find the eigenvalues of that matrix. This gives you a spectrum associated with the graph. This spectrum tells you something about the graph analogous to the way the spectrum of a star’s light tells you something about the chemical composition of the start. So maybe it […]

CRISPR-Cas en las clases de laboratorio

Tuesday, February 21, 08:49 UTC @ La Ciencia de la Mula Francis

La técnica de edición genómica CRISPR–Cas ya ha alcanzado la madurez suficiente para ser propuesta como una herramienta docente en microbiología. Las secuencias CRISPR (Clustered Regularly Interspaced Short Palindromic Repeats) y las proteínas expresadas por los genes cas actúan […] Lee

This Week in Rust 170

Tuesday, February 21, 05:00 UTC @ This Week in Rust

Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us a pull request. Want to get involved?

How Is the New York Times Really Doing?

Tuesday, February 21, 01:39 UTC @ Daring Fireball

Om Malik: Wired magazine recently published, Keeping Up with the Times, a story about the New York Times and its slow & painful transition to a digital first publication. “It’s to transform the Times’ digital subscriptions into the main engine of a billion-dollar business, one that could pay to put reporters on the ground in 174 countries even if (OK, when) the printing presses stop forever,” Ga

Uber CEO Travis Kalanick Says the Company Has Hired Former Attorney General Eric Holder to Probe Allegations of Sexism

Tuesday, February 21, 00:20 UTC @ Daring Fireball

Travis Kalanick, in a company-wide memo leaked to Kara Swisher: First, Eric Holder, former US Attorney General under President Obama, and Tammy Albarran — both partners at the leading law firm Covington & Burling — will conduct an independent review into the specific issues relating to the work place environment raised by Susan Fowler, as well as diversity and inclusion at Uber more broadly. Joining them will be Arianna Huffington, who sits on Uber’s board, Liane Hor

Core Data Update

Tuesday, February 21, 00:00 UTC @ objc.io

Dear all, After our Functional Swift and Advanced Swift books already got the Swift 3 treatment, we finally released the Swift 3 update for our Core Data book as well. This update took much longer than we expected, because we had to work around some hurdles in the publication process. Sorry for the delay! This update brings the book

Creating Enterprise iOS App Download Pages

Tuesday, February 21, 00:00 UTC @ The Syndicate

TestFlight is a great way to distribute apps to select user bases to test upcoming features, but enterprise organizations have different needs than those TestFlight can provide, especially as it relates to build expiration and user enrollment limits. With an Enterprise Apple developer account you have the ability to distribute apps outside of the App Store and TestFlight using the generated enterprise distribution certificate. This method is mostly used within organizations to distribute producti

Watson’s detective work could help stop the “silent thief of sight”

Monday, February 20, 21:30 UTC @ IBM Blog Research

Glaucoma is the second leading cause of blindness worldwide. The disease progresses very slowly and destroys vision gradually, starting with the side vision and narrowing over time.  It often remains undetected until irreversible eye sight is lost at later stages. It’s no surprise then, that glaucoma has earned a reputation as the “silent thief of […] The post

ZTE Is Shutting Down Its Failed Hawkeye Phone Kickstarter Campaign

Monday, February 20, 21:20 UTC @ Daring Fireball

Ashley Carman, writing for The Verge: After a month and a half of letting its Hawkeye phone flounder on Kickstarter, ZTE is finally ending the campaign. It received $36,245 out of its $500,000 funding goal. In a post on the Kickstarter today, ZTE writes that it’s decided to end the campaign after considering feedback provided on the campaign page and its user Z-Community forum. Like I sai

ANSI Standard K100.1-1974: Safety Code and Requirements for Dry Martinis (PDF)

Monday, February 20, 21:12 UTC @ Daring Fireball

Most interesting thing I learned over the weekend: there’s a delightful ANSI standard for dry martinis — 16 to 1 ratio of gin to vermouth. (Thanks to Jim Lipsey.) ★

Susan J. Fowler on Uber’s Institutional Support for Sexual Harassment

Monday, February 20, 20:26 UTC @ Daring Fireball

Susan J. Fowler, now an engineer at Stripe, on her year at Uber: Uber was a pretty good-sized company at that time, and I had pretty standard expectations of how they would handle situations like this. I expected that I would report him to HR, they would handle the situation appropriately, and then life would go on — unfortunately, things played out quite a bit differently. When I reported the situation, I was told by both HR and upper management that even though this was clearl

★ The World’s Worst Cocktail: The Alexa Martini

Monday, February 20, 20:10 UTC @ Daring Fireball

“I don’t know, go check Wikipedia” is a much better response than a wrong answer.

443-001

Monday, February 20, 19:27 UTC @ brucknerite

En lo más escondido de mi memoria de cobre y grasa hay un taller grande, ruidos de tornos y fresas, olor a soldadura y a virutas de metal. Hay voces, herramientas hidráulicas, algún grito de dolor y manos tiznadas y magulladas. Y hay luz, y después lluvia del cielo, y más luz, y en el … Continúa leyendo 443-001

New Beta Downloads Now Available

Monday, February 20, 17:00 UTC @ News and Updates - Apple Developer

Xcode 8.3 beta 3 is now available, and includes Swift 3 and SDKs that you can use to build and test apps for the latest release of macOS, iOS, watchOS, and tvOS.macOS 10.12.4 beta 3 (16E163f)iOS 10.3 beta 3 (14E5249d)watchOS 3.2 beta 3 (14V5224d)tvOS 10.2 beta 3 (14W5241c)Xcode 8.3 beta 3 (8W132p)View all downloads.

What light pollution costs us every night (Synopsis)

Monday, February 20, 15:01 UTC @ Starts With A Bang

“Before we devised artificial lights and atmospheric pollution and modern forms of nocturnal entertainment we watched the stars. There were practical calendar reasons of course but there was more to it than that. Even today the most jaded city dweller can be unexpectedly moved upon encountering a clear night sky studded with thousands of twinkling…

Mailing list turns 20

Monday, February 20, 10:15 UTC @ Lua: news

The Lua mailing list is now 20 years old.

Swift Integer Quick Guide

Monday, February 20, 09:42 UTC @ Use Your Loaf

If you are new to Swift and have some experience with “C” style languages you probably have not given the Swift integer types much thought. They mostly work as you expect until one day something catches you out. There were a number of operators such as the overflow operators &+, &- and &*, dealing with exact bit patterns and failable numeric intializers that were new to me. So here is my quick guide to Swift integers.

The benefits of Recreational Mathematics

Monday, February 20, 04:25 UTC @ Computational Complexity

Why study Recreational Mathematics? Why do recreational Mathematics? 1) The line between recreational and serious mathematics is thin. Some of the problems in so-called recreational math are harder than they look. 2) Inspiring. Both Lance and I were inspired by books by Martin Gardner, Ray Smullyan, Brian Hayes, and others. 3) Pedagogical: Understanding Godel's Inc. theorem via the Liar's paradox (Ray S has popularized that approach) is a nice way to teac

Triangle-free penny graphs are 2-degenerate

Monday, February 20, 03:28 UTC @ 0xDE

A penny graph (the topic of today's new Wikipedia article) is what you get from pennies by shoving them together on a tabletop, keeping them only one layer thick, and looking at which pairs of pennies are touching each other. In a 2009 paper, Konrad Swanepoel suggested that, when there are no three mutually-touching pennies, the number of adjacencies should be at most 2n − 2√n. I don't know how to prove that, and as far as I k

DF RSS Feed Sponsorships

Monday, February 20, 03:12 UTC @ Daring Fireball

Long story short, this coming week’s DF RSS feed sponsorship was sold, but now it’s open. If you’ve got a cool product or service you want to promote to DF’s discerning audience, and can make a deal quick, get in touch. ★

Publishing in Science: Predicting how molecules smell

Monday, February 20, 01:00 UTC @ IBM Blog Research

Although the Roman philosopher Lucretius was right when he wrote that odors were caused by a flow of atoms emitted by objects, smell may still be the least understood of our five senses. While we use it every day, science has not fully understood how molecules produce an odor, or how to determine what they […] The post Publishing in Science: Predicting how molecules smell

David Wondrich: ‘Why I Hate Barstools and You Should, Too’

Sunday, February 19, 22:58 UTC @ Daring Fireball

David Wondrich, writing for The Daily Beast: I hate barstools. OK, let me amend that. I like them well enough at 2:15 on a Tuesday afternoon, when you can pull one up, lay a stack of bills on the bar and let the afternoon pad away on quiet cat feet of jukebox C&W and Crown Royal. But when 6:30 p.m. rolls around and you’re trying to get a drink and the bar is palisaded with a Trumpian wall of backs; when putting in a simple drink order means you have to stick your h

Comments of the Week #149: From the Universe’s center to the most common elements

Sunday, February 19, 19:39 UTC @ Starts With A Bang

“We think we’ve come so far. Torture of heretics, burning of witches, is all ancient history. Then, before you can blink an eye, suddenly, it threatens to start all over again.” -Captain Picard It’s been another remarkable week here at Starts With A Bang! Of course there’s been news, science, physics and astronomy galore, but the biggest…

Fake news wasn’t hard to predict – But what’s next?

Sunday, February 19, 16:58 UTC @ Backreaction

In 2008, I wrote a blogpost which began with a dark vision – a presidential election led astray by fake news. I’m not much of a prophet, but it wasn’t hard to predict. Journalism, for too long, attempted the impossible: Make people pay for news they don’t want to hear. It worked, because news providers, by and large, shared an ethical code. Journalists aspired to tell the truth; their

Fake news wasn’t hard to predict – But what’s next?

Sunday, February 19, 16:58 UTC @ Backreaction

In 2008, I wrote a blogpost which began with a dark vision – a presidential election led astray by fake news. I’m not much of a prophet, but it wasn’t hard to predict. Journalism, for too long, attempted the impossible: Make people pay for news they don’t want to hear. It worked, because news providers, by and large, shared an ethical code. Journalists aspired to tell the truth; their

Squarespace Domains

Sunday, February 19, 00:23 UTC @ Daring Fireball

My thanks to Squarespace for sponsoring this week’s DF RSS feed. When it comes to your craft, you’re the expert. With Squarespace’s designer templates and easy-to-use interface, you can create a website that brings out the best in what you’re passionate about. Not ready to design your website yet? Reserve a spot for your big idea with Squarespace Domains. Then roll out your website when it’s ready. Try Squarespace for free today. When you decide to subscribe, use offer code “DA

Approximating Minimum-Area Rectangular and Convex Containers for Packing Convex Polygons

Saturday, February 18, 19:30 UTC @ Journal of Computational Geometry

We investigate the problem of finding a minimum-area container for the disjoint packing of a set of convex polygons by translations. In particular, we consider axis-parallel rectangles or arbitrary convex sets as containers. For both optimization problems which are NP-hard we develop efficient constant factor approximation algorithms.

Azimuth Backup Project (Part 4)

Saturday, February 18, 19:27 UTC @ Azimuth

The Azimuth Climate Data Backup Project is going well! Our Kickstarter campaign ended on January 31st and the money has recently reached us. Our original goal was $5000. We got $20,427 of donations, and after Kickstarter took its cut we received $18,590.96. Next time I’ll tell you what our project has actually been doing. This […]

Ask Ethan: How can I travel through space without getting into trouble? (Synopsis)

Saturday, February 18, 15:19 UTC @ Starts With A Bang

“I really didn’t have to work, shall we say, with Star Trek. It was a natural. When I opened my mouth, there was Scotty. It’s like I tell people what you see in Scotty is 99% James Doohan and 1% accent.” -James Doohan So, your friend on the USS Enterprise beamed you aboard, took you…

Reseña: “La materia extrema” de Enrique Ruíz Arriola

Saturday, February 18, 12:20 UTC @ La Ciencia de la Mula Francis

“Podemos ver y escuchar al Big Bang, la gran obertura de una sinfonía celestial cuyos destellos y ecos llegan hasta nuestros días. [El] Little Bang reproduce lo que sabemos en los primeros microcompases y, a diferencia del Big Bang, […] Leer más

Apple’s New iPad Campaign: ‘We Hear You’

Friday, February 17, 23:10 UTC @ Daring Fireball

Rene Ritchie, on a just-launched iPad commercial campaign: “We Hear You”, Apple’s new iPad Pro campaign, reminded me immediately of “Get a Mac”, the classic series of ads that had John Hodgman as PC and Justin Long as Mac show how Windows pain points could be easily, often delightfully fixed simply by switching to a Mac. A few thoughts: At just 15 seconds each, these spots are tight, in a good way. The target is

Reader mail: “What about funding growth?”

Friday, February 17, 19:18 UTC @ Signal v. Noise - Medium

Member of the Band – Gorilla Gleb Oleinik

Friday, February 17, 18:20 UTC @ Gorilla Logic

Much like a pod of whales or a pack of wolves, did you know that a group of gorillas is called a band? In this blog series, we’re going to introduce you to members of our band – engineers, technical recruiters, PMs, designers, and more who make up the most important asset in Gorilla Logic…our talent! Are you Gorilla material? Join the band today! Gleb Oleinik

What is the Universe’s third most common element? (Synopsis)

Friday, February 17, 15:02 UTC @ Starts With A Bang

“It is the function of science to discover the existence of a general reign of order in nature and to find the causes governing this order. And this refers in equal measure to the relations of man – social and political – and to the entire universe as a whole.” -Dmitri Mendeleev When the Universe…

Black Hole Information - Still Lost

Friday, February 17, 12:37 UTC @ Backreaction

[Illustration of black hole.Image: NASA] According to Google, Stephen Hawking is the most famous physicist alive, and his most famous work is the black hole information paradox. If you know one thing about physics, therefore, that’s what you should know. Before Hawking, black holes weren’t paradoxical. Yes, if you throw a book into a black hole you can’t read it anymore. That’s because what

Black Hole Information - Still Lost

Friday, February 17, 12:37 UTC @ Backreaction

[Illustration of black hole.Image: NASA] According to Google, Stephen Hawking is the most famous physicist alive, and his most famous work is the black hole information paradox. If you know one thing about physics, therefore, that’s what you should know. Before Hawking, black holes weren’t paradoxical. Yes, if you throw a book into a black hole you can’t read it anymore. That’s because what

An unsuccessful attempt to use CairoSVG to generate small vector-graphics PDF files

Friday, February 17, 02:31 UTC @ 0xDE

The following image shows the onion layers of a 6 × 6 grid (see Sariel's post for context). It consists of 42 circles, 36 with a fill and a stroke and 6 with only a stroke. My usual workflow is to draw this sort of thing in Adobe Illustrator, but one drawback of doing things this way

Simulating seashells

Friday, February 17, 02:09 UTC @ John D. Cook

In 1838, Rev. Henry Moseley discovered that a large number of mollusk shells and other shells can be described using three parameters: k, T, and D. First imagine a thin wire running through the coil of the shell. In cylindrical coordinates, this wire follows the parameterization r = ekθ z = Tt If T = 0 this is a […]

A night to talk about redemption: TEDNYC Rebirth

Friday, February 17, 00:53 UTC @ TED Blog

How do we make sense of the tumult around us? How can we grapple with the confusion and alarm so many of us are feeling? In a special session of talks curated and hosted by Jon Ronson at TED HQ on Wednesday night, six speakers looked not at the ruin that follows hardship but the […]

New for Basecamp 3: Desktop App Updates

Thursday, February 16, 18:00 UTC @ Signal v. Noise - Medium

Financial Times: ‘Apple’s Stalled Talks With Ron Howard Flag Content Confusion’

Thursday, February 16, 16:33 UTC @ Daring Fireball

Matthew Garrahan, reporting for The Financial Times: The iPhone maker has been stalking Hollywood for more than a year, talking to leading industry players while it tries to formulate a cogent video strategy. It has considered a range of acquisitions and targets including, most recently, Imagine Entertainment, the Hollywood production company owned by Ron Howard and Brian Grazer, according to several people briefed on the discussions. The talks were serious enough to involve Ti

Why we choose profit

Thursday, February 16, 16:11 UTC @ Signal v. Noise - Medium

How to Tame Quantum Weirdness

Thursday, February 16, 16:04 UTC @ Quanta Magazine

Can balloon animals help blunt uneasy feelings about “spooky action at a distance”?

There’s no such thing as a ‘habitable Super-Earth’ (Synopsis)

Thursday, February 16, 15:41 UTC @ Starts With A Bang

“How vast those Orbs must be, and how inconsiderable this Earth, the Theatre upon which all our mighty Designs, all our Navigations, and all our Wars are transacted, is when compared to them.” -Christiaan Huygens It was quite a surprise when we started discovering all the exoplanets that were out there. While there’s a big…

Announcing WWDC 2017

Thursday, February 16, 14:03 UTC @ News and Updates - Apple Developer

Apple’s developer community will come together at WWDC 2017 in San Jose, California from June 5 to 9 to learn about the future of Apple platforms and connect with thousands of developers from all around the world. In addition to the activities planned for conference attendees, a variety of other exciting developer events will take place throughout the city. Learn more about WWDC.

Common Lisp Tips: The return value of read-sequence

Thursday, February 16, 13:59 UTC @ Planet Lisp

I’ve seen this idiom a few times when working with a binary stream: (let ((elements-read (read-sequence buffer stream))) ...) While the return value is the number of elements read in that situation, it’s a useful coincidence in a common case. The actual return value of read-sequence is: the index of the first element of sequence that was not updated <

★ Apple Moves WWDC Back to San Jose

Thursday, February 16, 13:44 UTC @ Daring Fireball

If a large corporation can be described as a homebody, Apple is it. And San Francisco is not Apple’s home turf.

Dudas sobre los datos de un artículo publicado en Nature

Thursday, February 16, 13:18 UTC @ La Ciencia de la Mula Francis

Hace poco se publicó en Nature el descubrimiento de un nuevo tipo de agujero negro de masa intermedia. Con unas 2200 masas solares se encontraría en el centro del cúmulo globular 47 Tucanae. El logro se basa en un […] Leer más

New IBM research: Making silicon biochips to stretch single DNA for future disease detection

Thursday, February 16, 13:00 UTC @ IBM Blog Research

Just last month, IBM released its “5 in 5” predictions, an exercise to identify five innovations that will have an impact on society in five years. Among the five, it was predicted that, with the help of IBM “lab-on-a-chip” technology, doctors could have a device that isolates tiny bioparticles from bodily fluids to reveal signs […] The post New IBM research: Making silicon biochips to stretc

Liberatus Wins at Poker

Thursday, February 16, 12:51 UTC @ Computational Complexity

Codesnippet Doclet 0.20 Release

Thursday, February 16, 10:40 UTC @ APIDesign - Blogs

Enhance your Javadoc with Codesnippet4Javadoc version 0.20 which now supports special "coloring" for strings and comments. --JaroslavTulach 10:40, 16 February 2017 (UTC)

Dos artículos en contra de la nueva gravedad emergente de Verlinde

Thursday, February 16, 10:13 UTC @ La Ciencia de la Mula Francis

Hoy se publican dos nuevos artículos que estudian las predicciones de la nueva gravedad emergente de Verlinde. Ambos artículos contradicen dicha teoría con diferente grado de certeza. El primer artículo observa que Verlinde exige una relación masa-luminosidad (M/L) para […]

Swift 4 Release Process

Thursday, February 16, 10:00 UTC @ Swift.org

This post describes the goals, release process, and estimated schedule for Swift 4. Swift 4 is a major release that is intended to be completed in the fall of 2017. It pivots around providing source stability for Swift 3 code while implementing essential feature work needed to achieve binary stability in the language. It will contain significant enhancements to the core language and Standard Library, especially in the generics system and a revamp of the String

Linkage

Thursday, February 16, 06:12 UTC @ 0xDE

Telemetry: Tessellated paper sculptures by Matthew Shlian (G+) Polygonal billiard paths, after the work of Iranian-American Fields medalist Maryam Mirzakhani (

★ Investment Bankers Urge Apple to Spend Money Hiring Investment Bankers, News at 11

Thursday, February 16, 02:07 UTC @ Daring Fireball

Apple’s Beats acquisition suggests the opposite of this article’s central thesis: Apple is better off not working with investment bankers even for a $3 billion deal.

Divide and conquer

Thursday, February 16, 00:00 UTC @ Pedro Piñera

Divide and rule (or divide and conquer, from Latin dīvide et īmpera) in politics and sociology is gaining and maintaining power by breaking up larger concentrations of power into pieces that individually have less power than the one implementing the strategy. The concept refers to a strategy that breaks up existing power structures, and es

“Humanity can rise to the challenge”: Yuval Harari in conversation at TED Dialogues

Wednesday, February 15, 23:56 UTC @ TED Blog

How to explain the stunning political upheaval of 2016 — Brexit in the UK and Donald Trump’s election to the presidency in the US — as well as the current and ongoing atmosphere of division, discontent and disquiet that fills many people’s lives? One simple answer: “We’ve lost our story,” says Jerusalem University historian Yuval [

BlackBerry Drops to 0.0 Percent Worldwide Market Share, Windows Phone at 0.3, According to Gartner

Wednesday, February 15, 23:12 UTC @ Daring Fireball

We’re down to two mobile OSes: Android (82 percent) and iOS (18 percent). ★

TED and Star India greenlight “TED Talks India: Nayi Soch” TV series, hosted by Shah Rukh Khan

Wednesday, February 15, 20:45 UTC @ TED Blog

Today we confirmed some exciting news about TED’s most ambitious television project yet: a major network series in India hosted by megawatt Bollywood film star Shah Rukh Khan. The program will air on Star India, one of India’s largest media conglomerates and our partner in production. TED Talks India: Nayi Soch, which translates to “new thinking,” marks

Sintetizan un polímero orgánico plano análogo al grafeno

Wednesday, February 15, 19:18 UTC @ La Ciencia de la Mula Francis

El grafeno es el material plano más popular, pero hay otros. Se publica en Nature Chemistry el llamado grafeno orgánico, el primer material plano formado por un polímero aromático conjugado (2D-CAP), en concreto por monómeros tetrabromopoliaromáticos. Su grosor es […]

Developer Insights Series: Managing a Community

Wednesday, February 15, 19:00 UTC @ News and Updates - Apple Developer

Super Evil Megacorp, the developer behind the mobile-first multiplayer game Vainglory, shares its approach to community management, and how it evolves the game by listening to player feedback. Learn more.

New in Basecamp 3: Flexible Automatic Check-ins

Wednesday, February 15, 18:28 UTC @ Signal v. Noise - Medium

Watch: Yuval Harari in conversation with TED’s Chris Anderson

Wednesday, February 15, 18:05 UTC @ TED Blog

Watch: Chris Anderson speaks with the historian Yuval Noah Harari on what’s happening now, and what’s to come during this extraordinary moment in time -- when nationalism is pitted against globalism, while the world is facing a job-loss crisis most of us are not even expecting. A rewarding hour of big ideas about humanity's future.

Firing a gun into the air can kill someone (Synopsis)

Wednesday, February 15, 15:54 UTC @ Starts With A Bang

“I’ve heard it said that God made all men, but Samuel Colt made all men equal. We’d see what Mr. Colt could do for a woman.” ― Cherie Priest Bullets are incredibly dangerous when fired from a gun, but that’s true even when they’re fired up in the air, not at a target directly. Falling,…

‘Armchair archaeologists’ search 5 million tiles of Peru

Wednesday, February 15, 15:51 UTC @ TED Blog

GlobalXplorer, the citizen science platform for archaeology, launched two weeks ago. It’s the culmination of Sarah Parcak’s TED Prize wish and, already, more than 32,000 curious minds from around the world have started their training, learning to spot signs of ancient sites threatened by looters. Working together, the GlobalXplorer community has just finished searching the [

Your software just isn’t mission critical

Wednesday, February 15, 15:47 UTC @ Signal v. Noise - Medium

IBM scientists team with The Weather Company to bring edge computing to life

Wednesday, February 15, 14:00 UTC @ IBM Blog Research

Super Bowl LI was a historic day for the sport of football. It was also a historic day for technology. Picture this: wireless and cellular data consumed by fans at Super Bowl games has doubled every year for the last five years. According to Mobile Sports Report, Super Bowl LI broke the single-day wireless data […] The post IBM scientists team with The Weather Company to bring edge computing

Of Big Brains and Tiny Devices: Here Comes the Internet of the Body

Wednesday, February 15, 10:24 UTC @ IBM Blog Research

How does a gifted student in Switzerland in the 1980s apply his talents? On precision mechanics and watchmaking, of course. But at the time the watch industry was facing a challenging period and its four-century dominance was coming to an end as digital began taking over. This triggered Bruno Michel, a student at University of […] The post Of Big Brains and

Resolviendo la ecuación de Schrödinger mediante aprendizaje profundo

Wednesday, February 15, 08:56 UTC @ La Ciencia de la Mula Francis

Las redes de neuronas artificiales permiten obtener soluciones analíticas aproximadas a ecuaciones diferenciales. Usando un método variacional, la red determina los coeficientes de un desarrollo en serie que minimizan el residuo. Se publica en Science la resolución de la […]

Complete bipartite polyhedra

Wednesday, February 15, 02:27 UTC @ 0xDE

The tetrahedron and the Császár polyhedron are polyhedra whose edges and vertices form complete graphs; it is unknown whether any others exist. At the tutorial session for Graph Drawing 2015, I asked whether there are any complete bipartite polyhedra. As the definition of non-convex polyhedra can be the subject of heated debate (check out Wikipedia:Talk:Polyhedron

Recreating the Vertigo poster

Wednesday, February 15, 02:22 UTC @ John D. Cook

In his new book The Perfect Shape, Øyvind Hammer shows how to create a graph something like the poster for Alfred Hitchcock’s movie Vertigo. Hammer’s code uses a statistical language called Past that I’d never heard of. Here’s my interpretation of his code using Python. import matplotlib.pyplot as plt from numpy import arange, sin, cos, […]

Raymond Smullyan, 1919–2017

Tuesday, February 14, 23:31 UTC @ Gödel’s Lost Letter and P=NP

Serious work amid the puzzles and jokes. Amazon source When Raymond Smullyan was born, Emanuel Lasker was still the world chess champion. Indeed, of the 16 universally recognized champions, only the first, Wilhelm Steinitz, lived outside Smullyan’s lifetime. Smullyan passed away a week ago Monday at age 97. Today, Dick and I wish to add […]

How flat can a planet be? (Synopsis)

Tuesday, February 14, 20:11 UTC @ Starts With A Bang

“‘I’ll follow him to the ends of the earth,’ she sobbed. Yes, darling. But the earth doesn’t have any ends.” -Tom Robbins We have some pretty good definitions of what it takes to be a planet, and one part of that definition is that a world needs to be massive enough to pull itself into…

SoundSource 3

Tuesday, February 14, 18:43 UTC @ Daring Fireball

Rogue Amoeba: From SoundSource’s menu bar icon, you can instantly configure the audio devices your Mac uses for Input, Output and Sound Effects. In seconds, you can adjust the volume for each of your audio devices or switch between connected devices. SoundSource can also enable the soft play-thru of audio from input devices. Use the Play-Thru window to monitor any connected input, such as a microphone, right through your headphones or other output. SoundSource is a superior s

photostream 105

Tuesday, February 14, 18:36 UTC @ Martin Fowler

Providence, RI

Java Flame Graphs Introduction: Fire For Everyone!

Tuesday, February 14, 17:14 UTC @ Psychosomatic, Lobotomy, Saw

FlameGraphs are sup

Peter Kafka’s Interview With Eddy Cue at Code Media Conference, Previewing ‘Planet of the Apps’

Tuesday, February 14, 17:06 UTC @ Daring Fireball

Nothing groundbreaking, but a nice preview of Apple Music’s two upcoming original shows: Planet of the Apps and Carpool Karaoke. I see a lot of griping on Twitter that Planet of the Apps looks corny / phony / cheesy / whatever. Of course it does. This is mainstream reality TV. This is not a documentary about what it’s actually like to create a new app or app-based service. It’s reality TV.

Realizing a barrier-free society

Tuesday, February 14, 17:00 UTC @ IBM Blog Research

Field experiment at a busy shopping district in Tokyo Tokyo’s underground consists of miles of pedestrian walkways, extensive shopping arcades and a subway network. It stretches for hundreds of kilometers between more than 200 subway stations. Even with a map and a good sense of direction, it is not necessarily an easy place to navigate. […] The post Realizing a barrier-free society ap

Solo Act

Tuesday, February 14, 16:27 UTC @ Signal v. Noise - Medium

Exclusive TV Shows on Apple Music

Tuesday, February 14, 15:18 UTC @ Joe's Blog

I have no problem with Apple making television shows. I know a lot of people consider it a distraction. What are they doing? Their software is full of bugs. This is not the core of what Apple is. Why is Eddy Cue running off and making TV shows in the midst of all these serious read more »

La desmagnetización de las cucarachas muertas es más lenta que de las vivas

Tuesday, February 14, 14:05 UTC @ La Ciencia de la Mula Francis

Las cucarachas son magnetorreceptoras. El origen de su biomagnetismo es un misterio. Sorprende que, tras magnetizar cucarachas vivas y muertas durante 20 minutos bajo 0,15 teslas, las vivas se desmagnetizan en 50 ± 28 minutos, mientras que las muertas […] Leer más

Researchers Tap a Sleep Switch in the Brain

Tuesday, February 14, 14:02 UTC @ Quanta Magazine

Powerful new experiments have uncovered some of the molecular underpinnings of sleep.

A fuck-you money attitude

Tuesday, February 14, 13:09 UTC @ Signal v. Noise - Medium

Investigadores de IBM logran fabricar el trianguleno

Tuesday, February 14, 09:48 UTC @ La Ciencia de la Mula Francis

Las moléculas inestables, como el trianguleno, no se pueden fabricar con las técnicas de síntesis química convencionales. Desde 1953, todos los intentos han sido fallidos, sintetizando dihidrotrianguleno en su lugar. Investigadores de IBM han fabricado una molécula de trianguleno […] Leer más

This Week in Rust 169

Tuesday, February 14, 05:00 UTC @ This Week in Rust

Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us a pull request. Want to get involved?

The Macalope: ‘No, Apple Is Actually Pretty Good at Design’

Tuesday, February 14, 03:10 UTC @ Daring Fireball

The Macalope, responding to Ian Bogost’s “The Myth of Apple’s Great Design”: The Macalope has made this point before but it’s one Bogost seems not to get: Apple products are never perfect, because we do not live in a world of perfect celestial spheres. What Apple usually manages to do, thoug

“Fuck-You Money”

Monday, February 13, 19:00 UTC @ Daring Fireball

Alistair Barr and Mark Bergen, reporting for Bloomberg: For the past year, Google’s car project has been a talent sieve, thanks to leadership changes, strategy doubts, new startup dreams and rivals luring self-driving technology experts. Another force pushing people out? Money. A lot of it. Early staffers had an unusual compensation system that awarded supersized payouts based on the project’s value. By late 2015, the numbers were so big that several veteran members

Raymond Smullyan: Logician, Recreational math writer, Philosopher, passed away

Monday, February 13, 18:45 UTC @ Computational Complexity

Raymond Smullyan was born on May 25 1919 and passed away recently at the age of 97. He was a logician (PhD from Princeton under Alonzo Church in 1959) who did serious, recreational, and philosophical work. I doubt he invented the truth-teller/liar/normals and knight/knave/Knormal problems, but he popularized them and (I suspect) pushed them further than anyone before him. He was active all of his life: His last book on Logic Puzzles, The Magic Garden of George B and other Log

Bliki: FunctionAsObject

Monday, February 13, 16:20 UTC @ Martin Fowler

In programming, the fundamental notion of an object is the bundling of data and behavior. This provides a common data context when writing a set of related functions. It also provides an interface to manipulating the data that allows the object to control access to that data, making it easy to support derived data and prevent invalid modifications of data. Many languages provide explicit syntax to define classes, which act as definitions for objects. But if you have a language with first-class functions

Interview about the Agile Manifesto

Monday, February 13, 16:18 UTC @ Martin Fowler

The agile uprising podcast has been doing a series of interviews with the authors of the agile manifesto. Here is my interview, where I reveal that I remember little of the event, but can describe a bit about the context of the time that led to it. We also talk a bit about how the agile world has developed since.

IBM & Warwick Image Highly Reactive Triangular Molecule for the First Time

Monday, February 13, 16:00 UTC @ IBM Blog Research

Triangulene gets its first close up thanks to scientists from IBM and the University of Warwick Published today in Nature Nanotechnology, IBM scientists are truly making the invisible visible. A few weeks ago IBM released its annual five predictions for the next five years based on this theme. IBM scientists in Zurich are making a […] The post IBM 

/u/xcthulhu on What can Rust do for astrophysics?

Monday, February 13, 14:46 UTC @ gilded : rust

To me, the big advantage of Rust over C, C++ or Fortran is not its execution time, but its long-term maintainability and enforcement of good software engineering practices - and all that while not losing out on performance. Hey, I'm a software engineer for an exoplanet finding sattelite mission. I think the above is probably the #1 reason to use rust. A lot of the code we use is written in python, which has a lot of code quality

Swift Hashable

Monday, February 13, 11:09 UTC @ Use Your Loaf

I already covered making a custom Swift type Equatable and Comparable which allows us to test if an Array contains an instance of our type or to sort the array amongst other things. What if we want to store our type in a Set or Dictionary? Making Our Custom Type Hashable To use a type in a Set or Dictionary it has to be Hashable which mean

October-December 2016 Status Report

Monday, February 13, 08:00 UTC @ FreeBSD News Flash

The October to December 2016 Status Report is now available.

Piezo Generates More Money After Leaving the Mac App Store

Monday, February 13, 01:52 UTC @ Daring Fireball

Paul Kafasis, Rogue Amoeba: Our charmingly simple audio recording app Piezo was originally distributed in both the Mac App Store and via direct sales, but it has since left the App Store. After seeing Kapeli’s chart, I was curious about the App Store’s impact on Piezo’s sales. The restrictions and limitations of the Mac App Store ultimately led us to remove Piezo on February 12th, 2016. We’ve now been selling it exclusively v

From Prometheus to Sisyphus

Sunday, February 12, 17:23 UTC @ Adam Leventhal's blog

When Apple announced their new file system, APFS, in June, I hustled to be in the front row of the WWDC presentation, questions with the presenters, and then the open Q&A session. I took a week to write up my notes which turned into as 12 page behemoth of a blog post — longer than my college [...]

Away Note

Sunday, February 12, 07:26 UTC @ Backreaction

I'm traveling next week and will be offline for some days. Blogging may be insubstantial, if existent, and comments may be stuck in the queue longer than usual. But I'm sure you'll survive without me ;) And since you haven't seen the girls for a while, here is a recent photo. They'll be starting school this year in the fall and are very excited about it.

Away Note

Sunday, February 12, 07:26 UTC @ Backreaction

I'm traveling next week and will be offline for some days. Blogging may be insubstantial, if existent, and comments may be stuck in the queue longer than usual. But I'm sure you'll survive without me ;) And since you haven't seen the girls for a while, here is a recent photo. They'll be starting school this year in the fall and are very excited about it.

Inverse Fibonacci numbers

Saturday, February 11, 22:25 UTC @ John D. Cook

As with the previous post, this post is a spinoff of a blog post by Brian Hayes. He considers the problem of determining whether a number n is a Fibonacci number and links to a paper by Gessel that gives a very simple solution: A positive integer n is a Fibonacci number if and only if either 5n2 – […]

Approximate inverse of the gamma function

Saturday, February 11, 19:50 UTC @ John D. Cook

The other day I ran across a blog post by Brian Hayes that linked to an article by David Cantrell on how to compute the inverse of the gamma function. Cantrell gives an approximation in terms of the Lambert W function. In this post we’ll write a little Python code to kick the tires on […]

Jamf Now

Saturday, February 11, 19:42 UTC @ Daring Fireball

My thanks to Jamf Now for sponsoring this week’s DF RSS feed. Jamf Now is a simple, cloud-based solution designed to help anyone set up, manage, and protect Apple devices at work. Jamf Now allows you to treat IT as a task, not a career. Easily configure company email and Wi-Fi networks, distribute apps to your team, and protect sensitive data without locking down devices.

Mary K. Gaillard: una mujer singular en una profesión poco femenina

Saturday, February 11, 09:00 UTC @ La Ciencia de la Mula Francis

En noviembre de 1974 se descubrió el quark charm (c). Tenía la masa predicha tres meses antes por la física teórica Mary K. Gaillard (1939) y el físico Benjamin W. Lee (1935–1977). El primer gran logro de la primera […] Leer más

A personal memory of Hans Rosling, from TED’s founding director of video

Saturday, February 11, 04:59 UTC @ TED Blog

I was there when Hans Rosling first shook the room at TED, and transformed tiresome medical statistics into an action-packed, live performance about real people’s lives on the line. He’s since been namechecked by Bill Gates. And he outlasted Fidel Castro – twice. Not merely mortally. In an interview on the TED Blog, Hans recounts […]

/u/dylster3 on Safer microcontrollers almost here (Rust on AVR)

Saturday, February 11, 03:11 UTC @ gilded : rust

Thanks!

The Talk Show: ‘Corporate Stiffy’

Saturday, February 11, 00:47 UTC @ Daring Fireball

For your weekend audio enjoyment, a new episode of America’s favorite three-star podcast. Special guest John Moltz returns to the show. Topics include: 🐩💭, iPad vs. Mac for productivity (and why the iPad isn’t a self-sufficient platform), nostalgia for System 7, speculation on this year’s upcoming new iPhones, and more. Sponsored by: Squarespace: Make your next move. Make your next website. Use code talksh

Slow, Smooth, Fast, Effective

Friday, February 10, 18:41 UTC @ Signal v. Noise - Medium

Depend less on each other

Friday, February 10, 17:47 UTC @ Signal v. Noise - Medium

Member of the Band – Gorilla John Schuch

Friday, February 10, 16:00 UTC @ Gorilla Logic

Much like a pod of whales or a pack of wolves, did you know that a group of gorillas is called a band? In this blog series, we’re going to introduce you to members of our band – engineers, technical recruiters, PMs, designers, and more who make up the most important asset in Gorilla Logic…our talent! Are you Gorilla material? Join the band today! John Schuch

New committer: Mahdi Mokhtari (ports)

Friday, February 10, 08:00 UTC @ FreeBSD News Flash

★ On Apple’s Capital Return Program

Friday, February 10, 02:30 UTC @ Daring Fireball

Apple needs to do what it has always done. They need to invent their future, not buy it.

Nicolas Hafner: It's Been So Long - Confession 71

Thursday, February 09, 23:56 UTC @ Planet Lisp

It's been a good while since I last wrote an entry. I didn't write anything all January for a multitude of reasons, at the forefront being that it was exam season again. That's over with now, fortunately, so I do have some more time on my hands to goof off. Unfortunately though, I only have one more week left of this precious "free" time before university strikes me in the back again. I best use it wisely. The first wee

New Data from the Early Universe Does Not Rule Out Holography

Thursday, February 09, 18:10 UTC @ Backreaction

[img src: entdeckungen.net] It’s string theorists’ most celebrated insight: The world is a hologram. Like everything else string theorists have come up with, it’s an untested hypothesis. But now, it’s been put to test with a new analysis that compares a holographic early universe with its non-holographic counterpart. Tl;dr: Results are inconclusive. When string theorists say we live in a

New Data from the Early Universe Does Not Rule Out Holography

Thursday, February 09, 18:10 UTC @ Backreaction

[img src: entdeckungen.net] It’s string theorists’ most celebrated insight: The world is a hologram. Like everything else string theorists have come up with, it’s an untested hypothesis. But now, it’s been put to test with a new analysis that compares a holographic early universe with its non-holographic counterpart. Tl;dr: Results are inconclusive. When string theorists say we live in a

A Fight to Fix Geometry’s Foundations

Thursday, February 09, 16:34 UTC @ Quanta Magazine

When two mathematicians raised pointed questions about a classic proof that no one really understood, they ignited a years-long debate about how much could be trusted in a new kind of geometry.

How to: Have your AI assistant add a reminder to your own calendar

Thursday, February 09, 16:30 UTC @ x.ai

Running a proper calendar means making sure to note all events on it, whether these are meetings, appointments or even time you’ve blocked out to finish a particular project. Amy … View Article The post How to: Have your AI assistant add a reminder to your own calendar app

A cognitive in-car companion to help us enjoy the journey

Thursday, February 09, 16:22 UTC @ IBM Blog Research

In Dublin, scientists from IBM Research – Ireland and University College Dublin (UCD) are developing and testing a Cognitive In-Car Companion as part of an EU H2020 / ECSEL co-funded project called ENABLE-S3 – an effort to accelerate the validation and application of highly automated systems in several domains, including automotive. The Irish use case […] The post

The Dichotomy Conjecture

Thursday, February 09, 12:11 UTC @ Computational Complexity

Arash Rafiey, Jeff Kinne and Tomás Feder settle the Feder-Vardi dichotomy conjecture in their paper Dichotomy for Digraph Homomorphism Problems. Jeff Kinne is my academic grandchild--how quickly they grow up. Keep in mind the usual caveat that this work has not yet been fully refereed and vetted by the community, though there is no reason to think it won't be (though some skepticism in the

Improving Healthcare in China with Cognitive Analytics

Thursday, February 09, 07:01 UTC @ IBM Blog Research

With the world’s largest population, China generates an unprecedented amount of medical data. It’s an ideal harvest ground for the development and application of cognitive solutions that extract insights from data to improve medical management. The landscape of Chinese healthcare has undergone huge transformation over the past 20 years. The digitization of medical records resulted […] The post

Republicans Are Moving to Scrap Rules That Limit Overdraft Fees

Thursday, February 09, 03:11 UTC @ Daring Fireball

Matthew Zeitlin, reporting for BuzzFeed: Last week, Georgia Republican Sen. David Perdue introduced a resolution in Congress, alongside other Republicans including his fellow Georgian Johnny Isakson, to throw out a new package of rules for the prepaid debit card industry. The rules, finalized by the Consumer Financial Protection Bureau in October, include limitations on overdraft fees, which h

It’s Not Foreigners Who Are Plotting Here: What the Data Really Show

Thursday, February 09, 01:37 UTC @ Daring Fireball

Nora Ellingsen, who spent five years working as a counter-terrorism analyst for the FBI, looked at the numbers for federal terrorism cases to see if there’s anything to support Trump’s immigration ban for its stated purpose: For those who don’t want to do this deep dive, here’s a quick two-sentence summary: Conway’s position is empirically indefensible. Absolutely nothing in the large body of data we have about real terrorist plots in the United States remotely suppo

Ajit Pai, Trump’s FCC Pick, Quickly Targets Consumer Protection Rules

Thursday, February 09, 01:26 UTC @ Daring Fireball

Cecilia Kang, reporting for The New York Times: In his first days as President Trump’s pick to lead the Federal Communications Commission, Ajit Pai has aggressively moved to roll back consumer protection regulations created during the Obama presidency. Mr. Pai took a first swipe at net neutrality rules designed to ensure equal access to content on the internet. He stopped nine companies from providing discounted high-speed internet service to low-income individuals. He withdr

Samsung Factory Fire Triggered by Discarded Batteries

Wednesday, February 08, 22:07 UTC @ Daring Fireball

The rare case when a figurative garbage fire turns into a literal garbage fire. ★

A Sorted Array Implementation in Swift

Wednesday, February 08, 19:40 UTC @ Ole Begemann

In last weekʼs Swift Talk episode, Florian and Chris wrote a SortedArray type: an array that keeps its elements sorted according to a given sort predicate at all times. This is great because it encodes one more invariant in the type system — clients that use this type in place of a regular

Oculus VR Best Buy Pop-Ups Are a Bust

Wednesday, February 08, 19:15 UTC @ Daring Fireball

Alex Heath, writing for Business Insider: Facebook is closing around 200 of its 500 Oculus virtual reality demo stations at Best Buy locations across the US, Business Insider has learned. The scaling back of Facebook’s first big retail push for VR comes after workers from multiple Best Buy pop-ups told BI that it was common for them to go days without giving a single demonstration. An internal memo seen by BI and sent to affected employees by a third-party contractor said

“I cried as you told your story”: Comment of the week, Feb. 8, 2017

Wednesday, February 08, 17:50 UTC @ TED Blog

This week’s comment was posted on Sue Klebold’s talk, “My son was a Columbine shooter. This is my story.” Many times, a comment section represents the worst of our collective thoughts, but in this instance, on this platform, there is so much compassion. I was impressed with the level of respect and understanding shown to Sue […]

‘A Conservative Climate Solution’: Republican Group Calls for Carbon Tax

Wednesday, February 08, 16:21 UTC @ Daring Fireball

John Schwartz, reporting for The New York Times: A group of Republican elder statesmen is calling for a tax on carbon emissions to fight climate change. The group, led by former Secretary of State James A. Baker III, with former Secretary of State George P. Shultz and Henry M. Paulson Jr., a former secretary of the Treasury, says that taxing carbon pollution produced by burning fossil fuels is “a conservative climate solution” based on free-market principles. […]

Apple Poaches Amazon’s Fire TV Head to Run Apple TV Product Marketing

Wednesday, February 08, 16:15 UTC @ Daring Fireball

Mark Gurman, reporting for Bloomberg: Apple Inc. has hired Timothy D. Twerdahl, the former head of Amazon.com Inc.’s Fire TV unit, as a vice president in charge of Apple TV product marketing and shifted the executive who previously held the job to a spot negotiating media content deals. The moves suggest a renewed focus on the Apple TV and on providing more content for the device, an effort that has been stalled in the past by failed negotiations. Twerdahl joined Apple

Introduction to Word Embeddings

Wednesday, February 08, 16:12 UTC @ Terra Incognita

Just publised a deck of slides for an Introduction to Word Embeddings, presented at our Machine Learning Meetup in Porto Alegre / RS / Brazil. Here is the video (in Portugese):

Republican Senate Leadership Stops Elizabeth Warren From Reading a Letter From Coretta Scott King

Wednesday, February 08, 15:49 UTC @ Daring Fireball

Jason Kottke: Last night, during the Senate confirmation hearing of Senator Jefferson Beauregard “Jeff” Sessions III for Attorney General, Senator Elizabeth Warren attempted to read a letter that Coretta Scott King had written to the Senate Judiciary Committee in 1986 opposing Sessions’ nomination for a federal judgeship (which h

Which Is It?

Wednesday, February 08, 15:20 UTC @ Daring Fireball

From an October 2016 story for Bloomberg by Mark Gurman: The new building features open floor plans and few traditional offices. While some of Apple’s senior vice presidents are expected to see their offices move over to the new campus — less than a five minute drive from the current headquarters — management must be at a vice president level or above to get a formal office, one of the people said. Previous plans included office space for senior directors, who report to

Daniel Steinberg Wishes Apple Loved Books

Wednesday, February 08, 15:01 UTC @ Daring Fireball

Daniel Steinberg lamenting the lack of recent progress on iBooks Author: iBooks Author could have been a trojan horse into the personal publishing business. It would have been classic Apple. Instead of small authors going to Amazon’s platform, they would have started with iBooks Author. Apple should have made it easy for them to push to Amazon as well. Why? Because these people wanted to publish on Amazon but they weren’t considering publishing with Apple. Thousands of aut

Linea

Wednesday, February 08, 14:42 UTC @ Daring Fireball

New $10 sketchpad iPad app from The Iconfactory. I love this app. Conceptually it’s simple: at the root level you have projects, and each project can contain multiple sketches. When sketching, colors are on the left; layers, grids, and pens are on the right. That’s it — and the controls stay out of your way. The Iconfactory describes it as aiming for the simplicity of a paper sketchbook, and I think they’ve nailed it.

Reuters: ‘Channeling Steve Jobs, Apple Seeks Design Perfection at New “Spaceship” Campus’

Wednesday, February 08, 14:18 UTC @ Daring Fireball

Julia Love, writing for Reuters on Apple’s new campus, now nearing completion: Signage required a delicate balancing act: Apple wanted all signs to reflect its sleek, minimalist aesthetic, but the fire department needed to ensure the building could be swiftly navigated in an emergency. Dirk Mattern, a retired deputy fire chief who is representing the Santa Clara County Fire Department on the project, estimated he attended 15 meetings that touched on the topic. R

Clarke Ching – AMA | Making Tricky Concepts Sticky| 23 Feb

Wednesday, February 08, 14:08 UTC @ Business of Software USA

Have you heard the Agile Parable? Do you want to explain tricky concepts and make them sticky? Find out how with Clarke Ching, Agile Lead at Royal London. Clarke Ching is an expert in Eli Goldratt’s Theory of Constraints and  author of ‘Rolling Rocks Downhill’, an Agile business novel that never mentions Agile and, ‘Rocks into Gold […] The post Clarke Ching –

Gary Byers is stepping back from CCL and Clozure

Wednesday, February 08, 14:07 UTC @ Zach Beane Common Lisp

Here’s a message from Andrew Shalit to openmcl-devel: To the CCL Community - As many of you know, Gary Byers has been on a leave of absence from his Clozure CL work to attend to his health. I’m writing to let you know that, unfortunately, this leave will be permanent. Gary has resigned from his position at Clozure and will no longer be the lead developer of Clozure CL. Over the

How efficient is Morse code?

Wednesday, February 08, 14:01 UTC @ John D. Cook

Morse code was designed so that the most frequently used letters have the shortest codes. In general, code length increases as frequency decreases. How efficient is Morse code? We’ll compare letter frequencies based on Google’s research with the length of each code, and make the standard assumption that a dash is three times as long as a dot. […]

New committer: Tobias Kortkamp (ports)

Wednesday, February 08, 08:00 UTC @ FreeBSD News Flash

★ Comparing the First Seven Years of the iPad and Mac

Tuesday, February 07, 22:22 UTC @ Daring Fireball

Here we are, six years later, and the Mac’s role in the iOS world is only slightly less essential now than it was then.

Tidying up trivial details

Tuesday, February 07, 18:02 UTC @ John D. Cook

The following quote gives a good description of the value of abstract mathematics. The quote speaks specifically of “universal algebra,” but consistent with the spirit of the quote you could generalize it to other areas of mathematics, especially areas such as category theory. Universal algebra is the study of features common to familiar algebraic systems […]

Remembering Hans Rosling

Tuesday, February 07, 17:32 UTC @ TED Blog

Bounding up on stage with the energy of 1,000 suns and his special extra-long pointer, Swedish professor Hans Rosling became a data rock star, dedicated to giving his audience a truer picture of the world.

Presented Today at IEEE Conference: Making 5G a Reality

Tuesday, February 07, 16:00 UTC @ IBM Blog Research

When Bodhisatwa (Bodhi) Sadhu was starting out his undergraduate degree in Electrical and Electronics Engineering at BITS Pilani in India in 2003, students would have to wait in line 30 minutes or more to make calls home on one of the two landline phones on campus. By the time he graduated in 2007, everyone had […] The post Presented Today at IEEE Conference: Making 5G

Experiment Reaffirms Quantum Weirdness

Tuesday, February 07, 15:22 UTC @ Quanta Magazine

Physicists are closing the door on an intriguing loophole around the quantum phenomenon Einstein called “spooky action at a distance.”

Why String.CharacterView is not a MutableCollection

Tuesday, February 07, 14:48 UTC @ Ole Begemann

In the previous article I discussed why Set and Dictionary donʼt conform to MutableCollection and RangeReplaceableCollection. Today Iʼd like to do the same for String.CharacterView. CharacterView does conform to

— x.ai Pros And How They Do It — Noah Goldman of Enterprise Sales Podcast

Tuesday, February 07, 14:30 UTC @ x.ai

Name: Noah Goldman Title: Host Company: Enterprise Sales Podcast Location: NYC Twitter handle: @noahgee x.ai boss since: October 2014 Describe yourself in one word: Hustle   Tell us one fun fact about you! I became one … View Article The post — x.ai Pros

What do you mean by “Event-Driven”

Tuesday, February 07, 14:02 UTC @ Martin Fowler

Towards the end of last year I attended a workshop with my colleagues in ThoughtWorks to discuss the nature of “event-driven” applications. Over the last few years we've been building lots of systems that make a lot of use of events, and they've been often praised, and often damned. Our North American office organized a summit, and ThoughtWorks senior developers from all over the world showed up to share ideas. The biggest outcome of the summit was recognizing that when people talk a

A Q&A with Thordis Elva and Tom Stranger

Tuesday, February 07, 11:50 UTC @ TED Blog

In October 2016, a group gathered in San Francisco for the TEDWomen 2016 conference, this year themed around the idea of time. One talk was given by Thordis Elva and Tom Stranger, who took the stage to share a story that took place in 1996, when Stranger raped Elva, then his girlfriend. The talk had […]

This Week in Rust 168

Tuesday, February 07, 05:00 UTC @ This Week in Rust

Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us a pull request. Want to get involved?

SRE's review of Democracy

Tuesday, February 07, 02:37 UTC @ 250bpm-blogs

Day One We've been handed this old legacy system called "Democracy". It's an emergency. Old maintainers are saying it's misbehaving lately but they have no idea how to fix it. We've had a meeting with them to find out as much as possible about the system but it turns out that all the original team members have left the company long time ago and that the current team doesn't have much understanding of the system beyond some basic operational knowle

Being a Mutable Collection is not Sufficient to be a MutableCollection

Monday, February 06, 21:44 UTC @ Ole Begemann

The Collection protocol is the basis for collections in Swift. In addition to Collection, the standard library provides four protocols that collections can adopt to document additional capabilities. These protocols refine Collection — any type that conforms to one of them must also conform to Collection.

Measuring graph robustness

Monday, February 06, 17:06 UTC @ John D. Cook

There are a couple ways to measure how well a graph remains connected when nodes are removed. One ways is to consider nodes dropping out randomly. Another way, the one we look at here, assumes an adversary is trying to remove the most well-connected nodes. This approach was defined by Schneider et al [1]. It […]

IBM Scientists Measure Heat-Transfer through Single Atoms

Monday, February 06, 16:00 UTC @ IBM Blog Research

Published today, using a technique which looks like trampoline, IBM scientists have measured the thermal conductance of metallic quantum point contacts made of gold down to the single-atom level at room temperature for the first time. As everything scales to the nanoscale, heat – more precisely, the loss of it – becomes an issue in […] The post IBM Scientists

Eugene Zaikonnikov: Announcing CL-VIDEO

Monday, February 06, 15:00 UTC @ Planet Lisp

I'm happy to announce CL-VIDEO, a basic AVI/MJPEG video decoder written in Common Lisp. The library leverages CL-JPEG for frame processing and CL-RIFF for container format handling. The code has only been lightly tested on SBCL 13.x/Linux x86-64. Some sample files can be found here (the toy

Swift Equatable and Comparable

Monday, February 06, 10:49 UTC @ Use Your Loaf

Not sure when you should make your Swift types Equatable? What about Comparable? In this post I look at two common situations where using the Swift Standard Library gets easier when you do. A Simple Example Let’s use a simple structure for a country that expects a name and capital and has a flag indicating if we have visited: struct Country { let name: String let capital: String var visited: Bool }

Few thoughts on current political situation

Monday, February 06, 10:12 UTC @ 250bpm-blogs

[[div style="width:50em"]] by martin_sustrik

The Hardness of Reals Hierarchy

Monday, February 06, 04:44 UTC @ Computational Complexity

In my last post (here) I defined the following hierarchy (which I am sure is not original- if someone has a source please leave a comment on it) Z_d[x] is the set of polys of degree d over Z (the integers) ALG_d is the set of roots of these polys. ALG_1 = Q (The rationals) Given a real alpha I think of its complexity as being the least d such that alpha i

Saving Climate Data (Part 5)

Monday, February 06, 02:15 UTC @ Azimuth

There’s a lot going on! Here’s a news roundup. I will separately talk about what the Azimuth Climate Data Backup Project is doing. I’ll start with the bad news, and then go on to some good news. Tweaking the EPA website Scientists are keeping track of how Trump administration is changing the Environmental Protection Agency […]

New Workshops + Early Bird Tickets

Monday, February 06, 00:00 UTC @ objc.io

Our Advanced Swift workshop has been a great success. Our attendees love learning in a small group, with most time spent doing hands-on exercises. Therefore, we decided to organize more workshops this year. We decided to broaden our range of topics, and will provide workshops on Performant Core Data (March 31), Lighter View Controllers (April 28), Generic UIKit (May 17) and Advanced Swift (June 30). Check out our workshops page for the details. <

MartianCraft Smart Mirror Project—Part 2: Software

Monday, February 06, 00:00 UTC @ The Syndicate

Recap Last week I wrote about how I ended up building the hardware side of an iOS-supported smart mirror, from planning the frame to purchasing the materials and - most importantly - the mirror. The completed mirror sitting on my desk. The app uses completely localised time format, day names and temper

Data-driven charity

Sunday, February 05, 22:03 UTC @ John D. Cook

In this post I interview GiveDirectly co-founder Paul Niehaus about charitable direct cash transfers and their empirical approach to charity. JC: Can you start off by telling us a little bit about Give Directly, and what you do? PN: GiveDirectly is the first nonprofit that lets individual donors like you and me send money directly to […]

A Panel On P vs. NP

Sunday, February 05, 17:38 UTC @ Gödel’s Lost Letter and P=NP

A discussion on the famous problem William Agnew is the chairperson of the Georgia Tech Theoretical Computer Science Club. He is, of course, an undergraduate at Tech with a multitude of interests—all related to computer science. Today I want to report on a panel that we had the other night on the famous P vs. […]

How Trump’s Support Erodes

Sunday, February 05, 00:25 UTC @ inessential.com

Even Trump’s supporters know he’s not a good and competent man — nevertheless, they think they can get what they want from him. It’s a cynical deal, and bad, but you can understand it. Trump’s vagueness and flip-flops, and the suggestion that he not be taken literally, all help him with this: his supporters, who don’t all want the same things, see what they want to see. Many Republicans wanted a corporatist to replace Scalia on the Supreme Court, so that decisions like Roe v.

An In-Character Programme

Friday, February 03, 23:40 UTC @ Amy Worrall's Blog

Last summer, I was producer for Grosvenor Light Opera Company’s production of Pirates of Penzance. For those that don’t know, most of the female roles in the play comprise Major-General Stanley’s adopted daughters.

Member of the Band – Gorilla Rolando Lázcares

Friday, February 03, 18:33 UTC @ Gorilla Logic

Much like a pod of whales or a pack of wolves, did you know that a group of gorillas is called a band? In this blog series, we’re going to introduce you to members of our band – engineers, technical recruiters, PMs, designers, and more who make up the most important asset in Gorilla Logic…our talent! Are you Gorilla material? Join the band today! Rolando Lázcares

Testing Quantum Foundations With Atomic Clocks

Friday, February 03, 13:10 UTC @ Backreaction

Funky clock at Aachen University. Nobel laureate Steven Weinberg has recently drawn attention by disliking quantum mechanics. Besides an article for The New York Review of Books and a public lecture to bemoan how unsatisfactory the current situation is, he has, however, also written a technical paper: Lindblad Decoherence in Atomic Clocks Steven Weinberg Phys. Rev. A 94, 042117 (2016) arXiv:

Testing Quantum Foundations With Atomic Clocks

Friday, February 03, 13:10 UTC @ Backreaction

Funky clock at Aachen University. Nobel laureate Steven Weinberg has recently drawn attention by disliking quantum mechanics. Besides an article for The New York Review of Books and a public lecture to bemoan how unsatisfactory the current situation is, he has, however, also written a technical paper: Lindblad Decoherence in Atomic Clocks Steven Weinberg Phys. Rev. A 94, 042117 (2016) arXiv:

iPad Identity Crisis

Friday, February 03, 03:40 UTC @ Joe's Blog

“As long as we keep ping-ponging between iPhone and Mac, iPad will continue to be stuck in between them, never quite better than one or the other.” —Me, May 22, 2015 I said that a year-and-a-half ago, and it’s still true. I stopped thinking of iPad as a replacement for anything a long time ago. read more »

TED Dialogues: An urgent response to a dangerously divisive time

Friday, February 03, 00:44 UTC @ TED Blog

These are astonishing days. Amid rapid-fire policy changes, America has grown even more divided; similar divisions are spreading across the world. Vitriolic rhetoric roars from all sides, and battle lines are hardening. We aren’t listening to one another. Is there space left for dialogue? For reason? For thoughtful persuasion? We’re determined to find that space. This [

Big data and the law

Thursday, February 02, 22:25 UTC @ John D. Cook

Excerpt from the new book Big Data of Complex Networks: Big Data and data protection law provide for a number of mutual conflicts: from the perspective of Big Data analytics, a strict application of data protection law as we know it today would set an immediate end to most Big Data applications. From the perspective of […]

We Are All Iranians

Thursday, February 02, 19:15 UTC @ Computational Complexity

To Live Your Best Life, Do Mathematics

Thursday, February 02, 15:04 UTC @ mathematics – Quanta Magazine

The ancient Greeks argued that the best life was filled with beauty, truth, justice, play and love. The mathematician Francis Su knows just where to find them.

“Could threat data be anonymized?”: Comment of the week, Feb. 1, 2017

Thursday, February 02, 00:59 UTC @ TED Blog

This week’s comment comes from Joe, who has enough understanding of the topic of Caleb Barlow’s talk, “Where is cybercrime really coming from?” to pose a great question to the speaker. Particularly on topics I’m less familiar with, it’s great to come to the comments and hear from people who have much more experience with […]<

Updated Certificate for Game Center Authentication

Thursday, February 02, 00:50 UTC @ News and Updates - Apple Developer

On February 13, 2017, a new certificate for server-based Game Center Player ID verification will be available via the publicKeyUrl property of generateIdentityVerificationSignature, and the previous certificate will expire.Apps that dynamically query the publicKeyUrl value will automatically use the new certificate, whereas apps that cache the certificate or hardcode the certificate URL may require an update. Learn more.

TED and Audible debut “Sincerely, X” audio series: Sharing important ideas, anonymously

Wednesday, February 01, 13:50 UTC @ TED Blog

TED’s always on the hunt for new speakers with new ideas. But in our latest project, we’re offering speakers something unprecedented: anonymity. Our hunch? Inviting people to share ideas without having to reveal their identity might allow for an entirely new category of talks. Today TED and Audible announce the release of Sincerely, X, an original [

IBM Research Teams up with Swiss University to Launch Degree in Cyber-Physical and Embedded Systems

Wednesday, February 01, 09:39 UTC @ IBM Blog Research

Cyber-physical systems are embedded computational devices directly interacting with the physical world. They are present all around us: at home, at work, in the environment. Cyber-physical and embedded systems support the Internet of Things and provide backbone technologies for smart homes and cities, smart grids, intelligent transportation systems and healthcare – and this is only […] The post

The fine print in the ICFP 2017 call for papers

Wednesday, February 01, 02:50 UTC @ composition.al

This year, I’m excited to be serving on the program committee for ICFP, the annual academic conference on the theory and practice of functional programming. This will be my first time on ICFP’s program committee.1 I’m also continuing my term as the publicity chair for ICFP. The deadli

Information Geometry (Part 16)

Wednesday, February 01, 01:18 UTC @ Azimuth

This week I’m giving a talk on biology and information: • John Baez, Biology as information dynamics, talk for Biological Complexity: Can it be Quantified?, a workshop at the Beyond Center, 2 February 2017. While preparing this talk, I discovered a cool fact. I doubt it’s new, but I haven’t exactly seen it elsewhere. I […]

Web Developer Position Open at Omni

Tuesday, January 31, 20:57 UTC @ inessential.com

Check out Omni’s jobs page: The Omni Group is seeking a senior front-end web developer to develop and maintain a world-class website for our Mac and iOS products. The position is part of the Design Department and will focus on bringing mockups to life. Omni makes great apps and it’s a wonderful place to work.

Linkage from out of the country

Tuesday, January 31, 20:35 UTC @ 0xDE

I'm in Barbados for a week, but that isn't helping me avoid seeing the circus our head bozo has made. Pad of origami puzzles (G+) Beall's list of predatory journal publishers taken down

Machine learning everywhere!

Tuesday, January 31, 19:38 UTC @ Emilian Bold's blog

Samsung announced a while back that they used a "Neural Net based predictor" for their CPU branch prediction. Shortly after that an Intel person claimed it's no big deal because they have also been using a perceptron for some time. But to me this seemed a rather big discovery! Previously I would have assumed that branch prediction is a super complex algorithm. Learning that branch prediction is a basic perceptron reduces I

Scaling Agile Series Part 1: Can you Scale Agility?

Tuesday, January 31, 19:34 UTC @ Gorilla Logic

This post is for anyone who wonders like I do whether true agility is possible in large IT organizations. Agility: noun the power of moving quickly and easily; nimbleness the ability to think and draw conclusions quickly; intellectual acuity More and more companies are choosing to “go agile” throughout their organizations. As a scrum master

Introducing IBAnalyzer

Tuesday, January 31, 14:00 UTC @ Arek Holko

I'm happy to announce the release of my new tool called IBAnalyzer. Its aim is to allow you to catch common xib and storyboard-related issues without running an app or writing unit tests. With IBAnalyzer, you're currently able to: Find unimplemented outlets & actions in classes. Avoid crashes caused by exceptions, like a dreadful:

Swift Equatables: Do We Really Need Them for Testing?

Tuesday, January 31, 13:45 UTC @ Quality Coding

"Make things Equatable and use XCTAssertEqual" is common advice for unit testing Swift. But I think it can hinder TDD and lead to fragile tests.Enumerations with associated values are my favorite feature of Swift.

Pervasive, Dynamic Authentication of Physical Items

Tuesday, January 31, 12:33 UTC @ ACM Queue - All Queue Content

Authentication of physical items is an age-old problem. Common approaches include the use of bar codes, QR codes, holograms, and RFID (radio-frequency identification) tags. Traditional RFID tags and bar codes use a public identifier as a means of authenticating. A public identifier, however, is static: it is the same each time when queried and can be easily copied by an adversary. Holograms can also be viewed as public identifiers: a knowledgeable verifier knows all the attributes to inspect visually. It is

Particle filter and unscented Kalman filter in a nutshell

Tuesday, January 31, 12:25 UTC @ John D. Cook

Suppose you have a linear dynamic system. That is, the function that predicts the next state from the current state to the next is linear. Suppose also that the states in your system are not known precisely but have some uncertainty modeled by a (multivariate) normal distribution. Then the uncertainty in the state at the […]

Biology as Information Dynamics

Tuesday, January 31, 05:17 UTC @ Azimuth

This is my talk for the workshop Biological Complexity: Can It Be Quantified? • John Baez, Biology as information dynamics, 2 February 2017. Abstract. If biology is the study of self-replicating entities, and we want to understand the role of information, it makes sense to see how information theory is connected to the ‘replicator equation’—a […]

This Week in Rust 167

Tuesday, January 31, 05:00 UTC @ This Week in Rust

Hello and welcome to another issue of This Week in Rust! Rust is a systems language pursuing the trifecta: safety, concurrency, and speed. This is a weekly summary of its progress and community. Want something mentioned? Tweet us at @ThisWeekInRust or send us a pull request. Want to get involved?

Reflections on four years of research blogging

Tuesday, January 31, 03:20 UTC @ composition.al

This blog just passed its four-year anniversary! Back in January 2015, I reflected on what my first two years of research blogging had been like. This post is an update on what’s changed since then and what hasn’t. How popular is this blog, and who’s reading it? I don’t use any website anal

Swift at Scale

Tuesday, January 31, 00:00 UTC @ Pedro Piñera

A few weeks ago, I started working on a new project, Swift at Scale. Swift at Scale is a book that will guide you through apps design and develop principles to make sure your apps scale well when your team and your project grows. If you have had the opportunity to work on a big project, or with a large team, you might have noticed that some tools, frameworks or arch

First Week Notes

Monday, January 30, 20:03 UTC @ inessential.com

It’s not Russian Roulette when there’s a bullet in every chamber — it’s just Russian. * * * It should be clear by now that Democrats in Congress should resist every single thing Trump attempts. Every nominee. Every law. Every single thing. Do not collaborate. * * * The next thing might be a “Religious Freedom” executive order that

GlobalXplorer invites you to find and protect archaeological sites

Monday, January 30, 16:00 UTC @ TED Blog

The power of the crowd has helped digitize the world’s books; it maintains the online encyclopedia many of us check by default. The crowd has fueled our understanding of the connections between neurons in the brain and contributed voice samples that will become a simple phone test for Parkinson’s. Incredible things happen when people around the world team up to […

Cleaning up Core Data Fetch Requests

Monday, January 30, 12:59 UTC @ Use Your Loaf

Core Data got a number of usability improvements in iOS 10. I have already written about NSPersistentContainer and Model Code Generation. In this post I round-up some other changes in iOS 10 and some quick tips you can use to clean up common Core Data code cluttering your view controllers. So Much Boile

Lua 5.3.4 released

Monday, January 30, 09:32 UTC @ Lua: news

Lua 5.3.4 has been released. It fixes all known bugs in Lua 5.3.3.

What was the first result in complexity theory?

Monday, January 30, 04:09 UTC @ Computational Complexity

Let Z_d[x] be the set of polynomials of degree d over the integers. Let ALG_d be the set of roots of polys in Z_d. One can easily show that ALG_1 is a proper subset ALG_2is a proper subset ... and that there are numbers not in any of the ALG_i (by a countability argument). I began my ugrad automata theory course with this theorem (also a good review of countability- I found out, NOT to my surprise, that they never really understood it as fresh

MartianCraft Smart Mirror Project—Part 1: Hardware

Monday, January 30, 00:00 UTC @ The Syndicate

Idea & excitement Being a rather nerdy person, I got incredibly excited when I saw a smart mirror for the first time. The idea of simply extending a very static everyday object like a mirror with dynamic and important information seemed really great to me. Ever since that moment I became interested in building my own. Eventually, I ended up building an always-on smart mirror for my desk:

Heavy-tailed random matrices

Sunday, January 29, 23:25 UTC @ John D. Cook

Suppose you fill the components of a matrix with random values. How are the eigenvalues distributed? We limit our attention to large, symmetric matrices. We fill the entries of the matrix on the diagonal and above the diagonal with random elements, then fill in the elements below the diagonal by symmetry. If we choose our […]

Using 'swift package fetch' in an Xcode project

Sunday, January 29, 22:37 UTC @ Cocoa with Love on Cocoa with Love

Up until now, the Cocoa with Love git repositories have included their dependencies as “git subtrees” where each dependency is copied and statically hosted within the depender. I want to replace this arrangement with a more dynamic dependency management while remaining totally transparent to users of the library. I’d like to use the Swift Package Manager for the task but it’s complicated by the fact that I don’t want the Swift Package Manager to be a required way to

From shanty mega-towns to a cyborg uprising: Talks from TEDNYC Idea Search 2017

Saturday, January 28, 00:18 UTC @ TED Blog

Here at TED headquarters, we are constantly looking for new voices, new ideas — and late last year, we opened a challenge to the world: Make a one-minute audition video that makes the case for your TED Talk. On Thursday night, January 26, at our New York office, co-hosts Kelly Stoetzel and Cloe Shasha presented us […]

A Tantonalizing Problem

Friday, January 27, 23:44 UTC @ bit-player

In times like these one craves distraction, or maybe anaesthesia. On the whole, mathematics is better for you than ethanol, and you can even do it while driving. So in spare moments I’ve been noodling away at the following problem, … Continue reading →

A new museum 14 meters under the sea, a dance that draws on fiction, and other news from TED speakers

Friday, January 27, 21:40 UTC @ TED Blog

As usual, the TED community has lots of news to share this week. Below, some highlights. An underwater museum. Off the south coast of Lanzarote, 12 to 14 meters beneath the sea, lies artist Jason DeCaires Taylor’s latest museum, Museo Atlántico, which opened on January 10. Three years in the making, the installation is not […

Member of the Band – Gorilla Victor Guzman

Friday, January 27, 19:55 UTC @ Gorilla Logic

Much like a pod of whales or a pack of wolves, did you know that a group of gorillas is called a band? In this blog series, we’re going to introduce you to members of our band – engineers, technical recruiters, PMs, designers, and more who make up the most important asset in Gorilla Logic…our talent! Are you Gorilla material? Join the band today! Víctor Guzmán

Interface Builder: View Is Clipping Its Content

Friday, January 27, 16:39 UTC @ Indie Stack

If you have Xcode’s “Show live issues” enabled, you’re used to seeing (usually) helpful warnings and notices about your source code and interface files. These notices appear even if you haven’t yet built your project: If you click the “View is clipping its content” notice, it takes you right to the view in question: At […]

Solution: ‘How Many Half-Lives?’

Friday, January 27, 14:31 UTC @ physics – Quanta Magazine

When do negative results from a half-life experiment mean a theory is dead?

Rock, Paper, Scissors – Stuff So Easy You Wouldn’t Believe It Works | Clarke Ching, Royal London | BoS Europe 2016

Friday, January 27, 13:52 UTC @ Business of Software USA

Clarke Ching, Agile Lead, Royal London Clarke is an expert in Eli Goldratt’s Theory of Constraints – he has to be in his role as Agile Lead at Royal London, the UK’s largest mutual life and pensions company with over 5,000,000 policyholders and 500,000 members. Clarke wrote, ‘Rolling Rocks Downhill’, an Agile business novel that never […] The post

60 years of Eric and Mike

Friday, January 27, 01:47 UTC @ Computational Complexity

How Life (and Death) Spring From Disorder

Thursday, January 26, 17:06 UTC @ physics – Quanta Magazine

Life was long thought to obey its own set of rules. But as simple systems show signs of lifelike behavior, scientists are arguing about whether this apparent complexity is all a consequence of thermodynamics.

We’re Hiring – 2 Sales and Marketing Vacancies (Events)

Thursday, January 26, 14:59 UTC @ Business of Software USA

We are seeking two people to fill two exciting sales and marketing roles at BoS. We run some of the best regarded conferences in its fields. We have a well-established event programme with a plan for future growth. The current vacancies are: Sales and Marketing Director Marketing Assistant / Executive How to apply For either role please send us […] The post We’re Hiring –

Guy Mucklow and Thomas Smale – AMA | No Exit | 16 Feb

Thursday, January 26, 14:30 UTC @ Business of Software USA

Have an eye to selling – even if you don’t want to sell. One of the key things that came out of this discussion is that having an exit strategy in mind isn’t just about wanting to sell your business. Almost everything that has anything to do with exit strategy as you build and grow […] The post Guy Mucklow and Thomas Smale – AMA | No Exit | 16 Feb appeared first on

It’s not the tools you use, it’s the tools you don’t use.

Thursday, January 26, 12:45 UTC @ Business of Software USA

Wise words from Bridget Harris, Founder & CEO of YouCanBookMe in this Hangout with Peldi from Balsamiq, two organisations with a commitment to doing things another way. Bridget, discussing the tools that they use everyday to facilitate remote working was referring to using email as a communications tool. She said the company only really uses email […] The post It’s not the tools you use, i

Culture Mapping AMA with Alex Osterwalder

Thursday, January 26, 12:21 UTC @ Business of Software USA

Great Hangout with Strategyzer’s Alex Osterwalder on defining, building and prototyping company culture. One question that came up asked whether a startup should prioritize culture over other things. We love the idea of a corporate hierarchy of needs. You can watch the BoS talk that inspired this conversation here.   The post Culture Mapping AMA with Alex Osterwalder appeared first o

Faster Mix-and-Match Builds with Precompiled Bridging Headers

Thursday, January 26, 10:00 UTC @ Swift.org

An examination of build times of Xcode projects that mix Objective-C and Swift, which can contain large bridging headers, shows that the Swift compiler spends a lot of time re-processing the same bridging headers for all the Swift files in a project. In certain projects, each additional Swift file increases the overall build time noticeably, even when the Swift file is quite modest. This post will discuss this compile-time cost, and how it is being addressed in Swift 3.1.

How to Check a Proof

Thursday, January 26, 00:19 UTC @ Gödel’s Lost Letter and P=NP

What to do about claims of hard theorems? Cropped from source Shinichi Mochizuki has claimed the famous ABC conjecture since 2012. It is still unclear whether or not the claimed proof is correct. We covered it then and have mentioned it a few times since, but have not delved in to check it. Anyway its […]

Fun with String Interpolation

Wednesday, January 25, 21:31 UTC @ Ole Begemann

One of the first things you learn as a Swift programmer is string interpolation, or how to mix variables and expressions into string literals to build new strings: let a = 6 let

CSS4 Selectors: What Can We Expect?

Wednesday, January 25, 19:58 UTC @ Gorilla Logic

Important: Due to the work-in-progress nature of the Selectors Level 4 Draft, there’s a chance that things included in this post will change or disappear. This post was written following the guidelines of the January 20th, 2017 draft. CSS just turned 20 years old and some people still write it as if it was 2002. I’ve always felt this powerful language was often left beh

Comment of the week, January 25, 2017: “Use your voices on our behalf”

Wednesday, January 25, 19:04 UTC @ TED Blog

The comment I’d like to highlight this week was left on Jen Brea’s TED Talk by Serena Morriss, who is currently suffering with ME. Although many community members have shared their personal experiences with the condition, Serena also asks those of us who are physically well to do more than listen. For anyone moved by […]

On Roxane Gay’s TED Book

Wednesday, January 25, 17:00 UTC @ TED Blog

Author Roxane Gay has asked to cancel her planned TED Book, titled How to Be Heard. We’re disappointed that we won’t get to put this important book out into the world, but we respect and accept her decision.

Bliki: SyntheticMonitoring

Wednesday, January 25, 14:46 UTC @ Martin Fowler

Synthetic monitoring (also called semantic monitoring [1]) runs a subset of an application's automated tests against the live production system on a regular basis. The results are pushed into the monitoring service, which triggers alerts in case of failures. This technique combines automated testing with monitoring in order to detect failing business requirements in production.

Quicklisp news: January 2017 Quicklisp dist update now available

Wednesday, January 25, 13:27 UTC @ Planet Lisp

New projects: ahungry-fleece — A general utility library of convenience functions and features. — GPLv3asd-generator — Automatic directory scanner/generator for .asd project files. — GPLv3cl-cache-tables — A wrapper around native hash-tables to facilitate in-proc

What is Physics? [Video]

Wednesday, January 25, 11:41 UTC @ Backreaction

I spent the holidays watching some tutorials for video animations and learned quite a few new things. The below video collects some exercise projects I did to answer a question Gloria asked the other day: “Was ist Phykik?” (What is phycics?). Embarrassingly, I doubt she learned more from my answer than how to correctly pronounce physics. It’s hard to explain stuff to 6-year olds if you’re used to

What is Physics? [Video]

Wednesday, January 25, 11:41 UTC @ Backreaction

I spent the holidays watching some tutorials for video animations and learned quite a few new things. The below video collects some exercise projects I did to answer a question Gloria asked the other day: “Was ist Phykik?” (What is phycics?). Embarrassingly, I doubt she learned more from my answer than how to correctly pronounce physics. It’s hard to explain stuff to 6-year olds if you’re used to

Mighty Yosemite

Wednesday, January 25, 05:01 UTC @ inessential.com

A little birdie — okay, it was Sol-meister K. — tells me that CocoaConf Yosemite is close to selling out. Don’t miss out! It’s so beautiful. This will be my third trip — because I miss it when I’m not there, and because the people are awesome.

★ Additional Details on the New App Store Review Features

Wednesday, January 25, 03:41 UTC @ Daring Fireball

A limit of three prompts per year, and a system-wide switch to turn off all such prompts, go a long way toward fixing the problem from the user’s perspective.

Allow Users to Provide Ratings From Within Your App

Tuesday, January 24, 22:50 UTC @ News and Updates - Apple Developer

With iOS 10.3, you can use a new API to ask users to provide App Store ratings and reviews without leaving your app. You can also publicly respond to customer reviews on the App Store and Mac App Store. Learn more.

SiriKit Now Available on watchOS 3.2

Tuesday, January 24, 22:50 UTC @ News and Updates - Apple Developer

Use APIs to integrate Siri’s natural language experience into your watchOS app. SiriKit supports apps for fitness, payments, rides, and messages so users can ask Siri to start a workout, send money, book a ride, and more. Learn more about SiriKit for watchOS.

Omni’s Roadmap and Scripting

Tuesday, January 24, 20:22 UTC @ inessential.com

Omni: Looking Back, Looking Ahead—2017 Edition: In 2016 we scratched the surface with URL automation on iOS, but in 2017 we plan to roll out user automation on iOS in a big way across all our apps with a much richer set of capabilities. This automation support won’t be limited to a simple set of URL primitives; instead, we’re adding support for running JavaScript code: code that has the same lev

Simplify integration with complex variables

Tuesday, January 24, 11:59 UTC @ John D. Cook

Last night I was helping my daughter with her calculus homework. One of the problems was the following integral: This is an interesting problem for two reasons. First, it illustrates a clever variation on integration by parts; that’s why it was assigned. But it can also be computed using complex variables. As is often the […]

/u/nwydo on Ayende's struggle with Rust.

Tuesday, January 24, 11:56 UTC @ gilded : rust

Ayende's struggle is real, these frustrations are perfectly valid. Sadly, they managed to stumble upon a handful of known pain points in Rust all at once: Lexical borrowck: Niko talks about precisely this issue on his blog. entry would be less efficient since it requires always cloning (which would be fixed by

Research for Practice: Cryptocurrencies, Blockchains, and Smart Contracts; Hardware for Deep Learning

Tuesday, January 24, 11:46 UTC @ ACM Queue - All Queue Content

First, Arvind Narayanan and Andrew Miller, co-authors of the increasingly popular open-access Princeton Bitcoin textbook, provide an overview of ongoing research in cryptocurrencies. Second, Song Han provides an overview of hardware trends related to another long-studied academic problem that has recently seen an explosion in popularity: deep learning.

How to find your grandmother in a wedding video

Tuesday, January 24, 05:48 UTC @ IBM Blog Research

Or using cognitive computing to divide a video into scenes Searching through a video for a specific person, scene, or moment usually means a frustrating and painstaking ‘hunt and peck’ process. Wouldn’t it be great if you could just skip to where your 90-year-old grandmother boogies to Justin Timberlake at your wedding, without having to […] The post How to find your gra

This billion-dollar fund wants to prevent the next epidemic

Monday, January 23, 21:28 UTC @ TED Blog

A powerhouse coalition will change the way vaccines are made — and help us prep for the next global outbreak. (Because it’s not if but when.) One of the cruelest ironies of the recent Ebola outbreak: There was a promising Ebola vaccine already, sitting in a Canadian lab, awaiting human trials — the last step away from being […]

/u/joshmatthews on Heads up: Yamakaky/rust-bindgen and servo/rust-bindgen have unforked!

Monday, January 23, 20:24 UTC @ gilded : rust

Ahem.

Quantifying Biological Complexity

Monday, January 23, 18:35 UTC @ Azimuth

Next week I’m going to this workshop: • Biological Complexity: Can It Be Quantified?, 1-3 February 2017, Beyond Center for Fundamental Concepts in Science, Arizona State University, Tempe Arizona. Organized by Paul Davies. I haven’t heard that any of it will be made publicly available, but I’ll see if there’s something I can show you. […]

Despertar

Monday, January 23, 18:14 UTC @ brucknerite

​Un destello de consciencia. Suspiro. Un poco de luz grisácea entra, indiferente, por la abertura que acaba de abrirse entre mis párpados. Giro sobre mí mismo. Tiro hacia arriba del edredón. Siento algo de frío. Un poco de luz grisácea entra, suave pero desafiante, por las rendijas de la persiana. Aun falta para el amanecer: ¿las … Continúa leyendo Despertar

New Downloads Now Available

Monday, January 23, 17:00 UTC @ News and Updates - Apple Developer

New downloads are now available that you can use to test apps for the latest release of macOS, iOS, watchOS, and tvOS.macOS Sierra 10.12.3 (16D32)iOS 10.2.1 (14D27)watchOS 3.1.3 (14S960)tvOS 10.1.1 (14U712a)View all downloads.

Get Ready for the Sentiment of Things

Monday, January 23, 08:06 UTC @ IBM Blog Research

Is 2017 the year of the “Sentiment of things”? It could be if IBM Research intern Anca-Nicoleta Ciubotaru has her way. She recently took 3rd place in a hackathon using IBM Bluemix and IBM Watson services for a unique project which uses human stimuli to adjust the lighting in a room. Can you introduce yourself? Anca-Nicoleta Ciubotaru (ANC): I was born in Pascani, […] The post

Rainy day

Monday, January 23, 03:31 UTC @ 0xDE

The view out my back door this afternoon: I'm pretty sure the white hair-like things in the background are raindrops, motion-blurred into streaks. I just replaced my laptop (the old one's keyboard and trackpad were dying), so if the colors are off or different from before, that's why. Also much fussing with Python ensued to get m

My once-every-four-years Presidential Quiz/how should quizes work in the e-era?

Monday, January 23, 01:54 UTC @ Computational Complexity

Every four years I post a PRESIDENTIAL QUIZ which I must update based on new information since we have a new prez and veep. The questions are here:here. I will post a link to the answers next week. The answers will also contain more information if interest beyond the question, so the answers are worth reading whether or not you get it right. The quiz is 43 questions (hmmm- that is long for a quiz) Start wi

Sticky cards

Monday, January 23, 01:37 UTC @ John D. Cook

Suppose you shuffle a deck of cards. How likely is it that there are two cards that were next to each other before the shuffle are still next to each other after the shuffle? It depends on how well you shuffle the cards. If you do what’s called a “faro shuffle” then the probability of […]

Azimuth Backup Project (Part 3)

Sunday, January 22, 01:22 UTC @ Azimuth

Along with the bad news there is some good news: • Over 380 people have pledged over $14,000 to the Azimuth Backup Project on Kickstarter, greatly surpassing our conservative initial goal of $5,000. • Given our budget, we currently aim at backing up 40 terabytes of data, and we are well on our way to […]

Saving Climate Data (Part 4)

Saturday, January 21, 01:22 UTC @ Azimuth

At noon today in Washington DC, while Trump was being inaugurated, all mentions of “climate change” and “global warming” were eliminated from the White House website. Well, not all. The word “climate” still shows up here: President Trump is committed to eliminating harmful and unnecessary policies such as the Climate Action Plan…. There are also […]

The Polite Apocalypse

Saturday, January 21, 00:45 UTC @ bit-player

I’ve been rereading On the Beach, Nevil Shute’s novel about humanity’s last gasp in the aftermath of a nuclear war. The book was published 60 years ago, in 1957. I first read it in 1963, which is roughly when the … Continue reading →

Member of the Band – Gorilla Shane McDermed

Friday, January 20, 19:35 UTC @ Gorilla Logic

Much like a pod of whales or a pack of wolves, did you know that a group of gorillas is called a band? In this blog series, we’re going to introduce you to members of our band – engineers, technical recruiters, PMs, designers, and more who make up the most important asset in Gorilla Logic…our talent! Are you Gorilla material? Join the band today! Shane McDermed

Today

Friday, January 20, 18:10 UTC @ inessential.com

Today wasn’t so bad. Sure, the enemies of democracy, the Constitution, rationality, compassion, national and international institutions, decency, competence, ethics, art, science, and truth itself — and of anyone who isn’t a white man — now darken the offices of power. But they haven’t done much yet. The bad days are still to come. My loathing and contempt for President Trump feels complete — but it isn’t. It will continue to deepen.

Tomorrow

Thursday, January 19, 21:10 UTC @ inessential.com

Remember today, since we may spend the rest of our lives getting back to this point. I hope to remember tomorrow as the first of many days where the American people said “fuck you” to the new President.

Dividing Droplets Could Explain Life’s Origin

Thursday, January 19, 20:07 UTC @ physics – Quanta Magazine

Researchers have discovered that simple “chemically active” droplets grow to the size of cells and spontaneously divide, suggesting they might have evolved into the first living cells.

Design Resources for iOS Apps Now Available

Thursday, January 19, 19:45 UTC @ News and Updates - Apple Developer

Creating iOS apps is even easier with the updated Apple UI Design Resources. Use the latest Sketch and Photoshop templates and guides, color palettes, and the San Francisco typeface to quickly and accurately design iOS apps that integrate seamlessly into the overall user experience of iOS. Learn more.

Shining light on the invisible

Thursday, January 19, 16:53 UTC @ x.ai

In October I joined the x.ai team as the first UX/UI designer for our ‘visible’ touchpoints, working alongside another designer who focuses on the ‘invisible’ interactions of our product. I … View Article The post Shining light on the invisible appeared first on x.ai.

Working with Asynchronous Objective-C APIs in Swift

Thursday, January 19, 16:43 UTC @ Ole Begemann

Many asynchronous Objective-C APIs pass you two optional values in their completion handler: one for the method’s result if the operation was a success, and an error value in case the operation failed. An example is the CLGeocoder.reverseGeocodeLocation method in the Core Location framework. It takes a

Infinite Series and Markov Chains

Thursday, January 19, 13:25 UTC @ Computational Complexity

There's a wonderful new series of math videos PBS Infinite Series hosted by Cornell Math Phd student Kelsey Houston-Edwards. Check out this latest video on Markov Chains.

Dark matter’s hideout just got smaller, thanks to supercomputers.

Thursday, January 19, 12:25 UTC @ Backreaction

Lattice QCD. Artist’s impression. Physicists know they are missing something. Evidence that something’s wrong has piled up for decades: Galaxies and galaxy clusters don’t behave like Einstein’s theory of general relativity predicts. The observed discrepancies can be explained either by modifying general relativity, or by the gravitational pull of some, so-far unknown type of “dark matter.”

Dark matter’s hideout just got smaller, thanks to supercomputers.

Thursday, January 19, 12:25 UTC @ Backreaction

Lattice QCD. Artist’s impression. Physicists know they are missing something. Evidence that something’s wrong has piled up for decades: Galaxies and galaxy clusters don’t behave like Einstein’s theory of general relativity predicts. The observed discrepancies can be explained either by modifying general relativity, or by the gravitational pull of some, so-far unknown type of “dark matter.”

Level By Level

Thursday, January 19, 04:31 UTC @ Gödel’s Lost Letter and P=NP

Impetus to study a new reducibility relation See Mike’s other projects too Michael Wehar has just earned his PhD degree in near-record time in my department. He has posted the final version of his dissertation titled On the Complexity of Intersection Non-Emptiness Problems which he defended last month. The dissertation expands on his paper at […]

Weak moves in high-dimensional tic-tac-toe

Thursday, January 19, 01:24 UTC @ 0xDE

Everyone who plays tic-tac-toe quickly learns that the nine squares have different strengths. The center square is best, because it belongs to four lines. The corners, on three lines each, are next. And weakest are the squares in the middle of a side of the tic-tac-toe grid, which are only on two lines each. What about higher dimensions? (Let's ignore the fact that tic-tac-toe on a 3×3×... grid is an easy win in more than two dimensions.) Which are the weak cells, and which are the strong ones?<

Creating .NET Bindings for C Libraries with ObjectiveSharpie

Wednesday, January 18, 23:21 UTC @ Miguel de Icaza

We created the ObjectiveSharpie tool to automate the mapping of Objective-C APIs to the .NET world. This is the tool that we use to keep up with Apple APIs. One of the lesser known features of ObjectiveSharpie, is that it is not limited to binding Objective-C header files. It is also capable of creating definitions for C APIs. To do this, merely use the "bind" command for ObjectiveSharp

Unbuffering Jenkins Output

Wednesday, January 18, 17:15 UTC @ Indie Stack

For years I have used Jenkins to manage all my automated Mac and iOS builds. I have jobs set up to build and release apps “on demand,” as well as integration builds that kick off whenever a change is made to a pertinent source code repository. For years I have also put up with a […]

Why We Turned Down a $100 Million Sale | Guy Mucklow, PCA Predict | BoS Europe 2016

Wednesday, January 18, 16:08 UTC @ Business of Software USA

Guy Mucklow, Co-founder, PCA Predict Guy and his co-founder Jamie Turner founded Post Code Anywhere in 2000. Like many self-funded, profitable businesses, they had a steady stream of investors knocking at their doors but never had any interest in taking the money or selling. Last year, they were considering how they should grow a big […] The post Why We Turned Down a

Eugene Zaikonnikov: New in CL-JPEG

Wednesday, January 18, 15:00 UTC @ Planet Lisp

In course of last few months there were numerous small changes introduced to CL-JPEG. None substantial enough to warrant own announcement, but taken together perhaps it's due for an update. So here we go, as of version 2.6: Pre-allocated buffers in DECODE-IMAGE and DECODE-STREAM are now supported. This should help reduce consing in bulk-processing application

Category Theory and Facebook

Wednesday, January 18, 12:46 UTC @ John D. Cook

From Drew Armstrong’s notes on adjoint functors: Once upon a time, my opinion of category theory was the same as my opinion of Facebook: if I ignore it for long enough, hopefully it will go away. It is now my educated opinion that category theory will not go away, and in fact the language of […]

Swift Evolution Status Page Now Available

Wednesday, January 18, 12:01 UTC @ Swift.org

We’re pleased to announce the release of the new Swift Evolution status page as a one-stop destination for information about proposed changes to Swift. The Swift.org community has wholeheartedly embraced the Swift Evolution process—to date, members have contributed to over 100 proposals. Each new proposal generates a burst of activity in the community. To

Common Lisp in the Wild - Deploying Common Lisp Applications.

Wednesday, January 18, 11:54 UTC @ Zach Beane Common Lisp

Common Lisp in the Wild - Deploying Common Lisp Applications.

MKCL 1.1.10 is now available

Wednesday, January 18, 11:43 UTC @ Zach Beane Common Lisp

MKCL 1.1.10 is now available

Bliki: ContinuousIntegrationCertification

Wednesday, January 18, 05:00 UTC @ Martin Fowler

Continuous Integration is a popular technique in software development. At conferences many developers talk about how they use it, and Continuous Integration tools are common in most development organizations. But we all know that any decent technique needs a certification program — and fortunately one does exist. Developed by one of the foremost experts in continuous delivery and devops, it’s known for being remarkably rapid to administer, yet very i

CFI directives in assembly files

Wednesday, January 18, 05:00 UTC @ ImperialViolet

(This post uses x86-64 for illustration throughout. The fundamentals are similar for other platforms but will need some translation that I don't cover here.) Despite compilers getting better over time, it's still the case that hand-written assembly can be worthwhile for certain hot-spots. Sometimes there are special CPU instructions for the thing that you're trying to do, sometimes you need detailed control of the resulting co

Course prerequisites are not DAGs

Wednesday, January 18, 03:20 UTC @ 0xDE

When I cover directed acyclic graphs for my algorithms classes, I usually mention as an example (familiar to the students) a DAG with university courses as its vertices and with prerequisites as its edges. Today I learned that this is a lie, or maybe I should say more of a lie than I already thought it was. It turns out that, in our course catalog, prerequisites are not just lists of courses t

In Defense of Uncle Bob’s Dark Path: Swift and Testability

Tuesday, January 17, 13:45 UTC @ Quality Coding

Uncle Bob set off another firestorm. I'm here to defend The Dark Path. Swift's strict typing hasn't reduced the number of tests I write. Here's why.Uncle Bob set off another firestorm with his blog post The Dark Path.

Infinite primes via Fibonacci numbers

Tuesday, January 17, 12:30 UTC @ John D. Cook

A well-known result about Fibonacci numbers says gcd(Fm, Fn) = Fgcd(m, n) In words, the greatest common divisor of the mth and nth Fibonacci numbers is the gth Fibonacci number where g is the greatest common divisor of m and n. You can find a proof here. M. Wunderlich used this identity to create a short, clever proof that there are infinitely many […]

Fix cross-endian jit.bcsave for MIPS target.

Tuesday, January 17, 09:46 UTC @ Recent commits to luajit-2.0

The Irreversible Momentum of Clean Energy

Tuesday, January 17, 01:00 UTC @ Azimuth

The president of the US recently came out with an article in Science. It’s about climate change and clean energy: • Barack Obama, The irreversible momentum of clean energy, Science, 13 January 2017. Since it’s open-access, I’m going to take the liberty of quoting the whole thing, minus the references, which provide support for a […]

Uninitialized Reads

Monday, January 16, 17:07 UTC @ ACM Queue - All Queue Content

Most developers understand that reading uninitialized variables in C is a defect, but some do it anyway. What happens when you read uninitialized objects is unsettled in the current version of the C standard (C11).3 Various proposals have been made to resolve these issues in the planned C2X revision of the standard. Consequently, this is a good time to understand existing behaviors as well as proposed revisions to the standard to influence the evolution of the C language. Given that the behavior of uninitia

Uninitialized Reads

Monday, January 16, 17:07 UTC @ ACM Queue - Programming Languages

Most developers understand that reading uninitialized variables in C is a defect, but some do it anyway. What happens when you read uninitialized objects is unsettled in the current version of the C standard (C11).3 Various proposals have been made to resolve these issues in the planned C2X revision of the standard. Consequently, this is a good time to understand existing behaviors as well as proposed revisions to the standard to influence the evolution of the C language. Given that the behavior of uninitia

Easier Core Data Setup with Persistent Containers

Monday, January 16, 13:27 UTC @ Use Your Loaf

Apple has made a number of changes in iOS 10 to ease the pain of setting up and using Core Data. In this post I look at how to use the new persistent container class to remove a lot of the boilerplate Core Data setup code. If you are still relying on the old Xcode template code for Core Data in your app delegate you should take a look at NSPersistentContainer. Core Data Stack Setup - The Easy Way Setting up a Core Data stack takes so

Linkage

Monday, January 16, 07:51 UTC @ 0xDE

Why you need a non-university-run email account (G+) Let your post office make your folded art for you (G+)

My REU program/REU's in general/Flyers? Why do some Transcripts...

Monday, January 16, 03:24 UTC @ Computational Complexity

I run an REU program (Research Experience for Undergraduates) and I would normally urge you to urge undergrads who would benefit to apply to it and present both this link: here and this flyer: here. I just did that. But I want to talk about REU programs, not just mine. A few points which can be construed as advise- though its more questions and what I

Solar Irradiance Measurements

Saturday, January 14, 23:24 UTC @ Azimuth

guest post by Nadja Kutz This blog post is based on a thread in the Azimuth Forum. The current theories about the Sun’s life-time indicate that the Sun will turn into a red giant in about 5 billion years. How and when this process is going to be destructive to the Earth is still debated. […]

One TED speaker adorns the walls of the New York City subway, another the walls of a building in Dubai…

Friday, January 13, 23:18 UTC @ TED Blog

As usual, the TED community has lots of news to share this week. Below, some highlights. A subway line with museum-worthy art. After 45 years of construction and $4.5 billion spent, the first section of New York City’s Second Avenue subway line opened on January 1 with four stations. Maybe the best feature of the […]

The State of Open Source Licensing

Friday, January 13, 20:15 UTC @ tecosystems

It’s become common in the technology industry today to say that open source has gone mainstream. Evidence for this assertion abounds. From the multiplying number of projects to accelerating participation from vendors who once were dedicated to protecting their source code, open source is more accepted and more of a default by the day. What

The State of Open Source Licensing

Friday, January 13, 20:15 UTC @ tecosystems

It’s become common in the technology industry today to say that open source has gone mainstream. Evidence for this assertion abounds. From the multiplying number of projects to accelerating participation from vendors who once were dedicated to protecting their source code, open source is more accepted and more of a default by the day. What

— x.ai Pros And How They Do It — William Treseder of BMNT

Friday, January 13, 16:49 UTC @ x.ai

Name: William Treseder Title: Partner Company: BMNT Location: Palo Alto, CA Twitter handle: @williamtreseder x.ai boss since: August, 2016 Describe yourself in one word: Intellective Tell us one fun fact about you! I danced flamenco in … View Article The post — x.ai Pros And How They Do It

Member of the Band – Gorilla Moises Rojas

Friday, January 13, 15:29 UTC @ Gorilla Logic

Much like a pod of whales or a pack of wolves, did you know that a group of gorillas is called a band? In this blog series, we’re going to introduce you to members of our band – engineers, technical recruiters, PMs, designers, and more who make up the most important asset in Gorilla Logic…our talent! Are you Gorilla material? Join the band today! Moises Rojas

What a burst! A fresh attempt to see space-time foam with gamma ray bursts.

Friday, January 13, 11:57 UTC @ Backreaction

It’s an old story: Quantum fluctuations of space-time might change the travel-time of light. Light of higher frequencies would be a little faster than that of lower frequencies. Or slower, depending on the sign of an unknown constant. Either way, the spectral colors of light would run apart, or ‘disperse’ as they say if they don’t want you to understand what they say. Such quantum gravitational

What a burst! A fresh attempt to see space-time foam with gamma ray bursts.

Friday, January 13, 11:57 UTC @ Backreaction

It’s an old story: Quantum fluctuations of space-time might change the travel-time of light. Light of higher frequencies would be a little faster than that of lower frequencies. Or slower, depending on the sign of an unknown constant. Either way, the spectral colors of light would run apart, or ‘disperse’ as they say if they don’t want you to understand what they say. Such quantum gravitational

Blockchain Consensus Made in Zurich

Friday, January 13, 08:10 UTC @ IBM Blog Research

In 2001, IBM Research cryptographer Christian Cachin and his team developed consensus protocols for building distributed trusted services, which could be run among a group of servers over the Internet. As described in an IEEE paper titled Distributing Trust on The Internet, their protocols work correctly even if some servers are being hacked. Does this […] The post Blockchain Consensus Ma

Now Accepting Larger tvOS Binaries

Thursday, January 12, 23:30 UTC @ News and Updates - Apple Developer

The size limit of a tvOS app bundle has increased from 200 MB to 4 GB, so you can include more media in your submission and provide a complete, rich user experience upon installation. Also, tvOS apps can use On-Demand Resources to host up to 20 GB of additional content on the App Store. Learn more about preparing apps for the App Store.

Guest Post about the first Women in Computational Topology (WinCompTop) Workshop

Thursday, January 12, 17:33 UTC @ Computational Complexity

The first Women in Computational Topology WinCompTop workshop was held in August at the Institute for Mathematics and its Applications (IMA) in Minneapolis, MN. In total, 27 women participated, ranging from undergraduates to full professors; in addition, five future topologists (children of the participants) attended the various social events scattered throughout the week. The central goal of this workshop was to establish research c

Safe primes, Sylow theorems, and Cryptography

Thursday, January 12, 12:08 UTC @ John D. Cook

A logarithm is the inverse of an exponential, and so we can generalize the idea of a logarithm wherever we can generalize the idea of an exponential. In particular, we can raise elements to exponents in a discrete group, and that leads to the definition of a discrete logarithm. Diffie-Hellman public key cryptography is based […]

Rust Tidbits: What Is a Lang Item?

Thursday, January 12, 10:04 UTC @ gilded : rust

submitted by /u/Manishearth [link] [comments]

Compiling a Mac OS 8 application on macOS Sierra

Thursday, January 12, 09:50 UTC @ Cocoa with Love on Cocoa with Love

In 1999, armed with a brand new copy of Metrowerks Codewarrior and a PowerMac running Mac OS 8.5.1, I wrote a basic implementation of Minesweeper to test out the Powerplant application development environment. It’s the oldest project of mine that I’ve kept, so I wanted to see if I could get it running again for the first time in 17 years. There’s no Swift or Objective-C code in this article but there are disk-eating koalas, deliberately misspelled cities, Zernike polynomials, C

The complexity of abstract machines

Thursday, January 12, 01:09 UTC @ Lambda the Ultimate - Programming Languages Weblog

I previously wrote about a brand of research by Guy Blelloch on the Cost semantics for functional languages, which let us make precise claim about the complexity of functional programs without leaving their usual and comfortable programming models (beta-reduction). While the complexity behavior of weak reduction strategies, such as call-by-value and call-by-name, is by now relatively well-understood, the lambda-calculus has a much richer ran

Automated theorem proving

Wednesday, January 11, 21:07 UTC @ John D. Cook

When I first heard of automated theorem proving, I imagined computers being programmed to search for mathematical theorems interesting to a wide audience. Maybe that’s what a few of the pioneers in the area had in mind too, but that’s not how things developed. The biggest uses for automated theorem proving have been highly specialized […]

FreeBSD-SA-17:01.openssh

Wednesday, January 11, 08:00 UTC @ FreeBSD Security Advisories

Back to Android: The Google Pixel Review

Tuesday, January 10, 20:53 UTC @ tecosystems

My decision to switch to the Google Pixel from an iPhone 6S began the day that Apple announced that they were eliminating the headphone jack on the 7. While I could reasonably expect another solid year of service at least from my 6S – particularly since Apple had swapped my old one for a brand new

Back to Android: The Google Pixel Review

Tuesday, January 10, 20:53 UTC @ tecosystems

My decision to switch to the Google Pixel from an iPhone 6S began the day that Apple announced that they were eliminating the headphone jack on the 7. While I could reasonably expect another solid year of service at least from my 6S – particularly since Apple had swapped my old one for a brand new

Babai Strikes Back

Tuesday, January 10, 19:27 UTC @ Computational Complexity

RegExp: Match, Search, Replace and Split Like a Master

Tuesday, January 10, 19:09 UTC @ Gorilla Logic

Today, it is well known that almost every computing sector uses `regex` to find patterns inside and through very large amounts of data or streams. For this reason, and just to figure out how to make my life easier, I found myself on the path to mastering regular expressions. In this post, I want to show you the beauty of regular expressions. Develop a Zen mind RegEx is one of those ‘things’ you get much better at with practice. This is why I really enjoy solving a genuinely simpl

Probability of secure hash collisions

Tuesday, January 10, 13:00 UTC @ John D. Cook

A hash function maps arbitrarily long input strings to fixed-length outputs. For example, SHA-256 maps its input to a string of 256 bits. A cryptographically secure hash function h is a one-way function, i.e. given a message m it’s easy to compute h(m) but it’s not practical to go the other way, to learn anything about m from h(m). Secure hash functions are useful for […]

Heterogeneous Computing: Here to Stay

Tuesday, January 10, 11:02 UTC @ ACM Queue - All Queue Content

Mentions of the buzzword heterogeneous computing have been on the rise in the past few years and will continue to be heard for years to come, because heterogeneous computing is here to stay. What is heterogeneous computing, and why is it becoming the norm? How do we deal with it, from both the software side and the hardware side? This article provides answers to some of these questions and presents different points of view on others.

AMA | Alex Osterwalder of Strategyzer discusses Business Culture

Tuesday, January 10, 09:50 UTC @ Business of Software USA

Join Alex Osterwalder to find out everything you want to know about Business Culture and how to get it right. Note the new date! Join us FREE – Tuesday 24th January, 17.00 GMT. Alex Osterwalder is the Founder of Strategyzer, providing expertise to growing companies, and renowned author of business bibles ‘Business Model Generation’ and […] The post AMA | Alex Osterwalder of Strategyzer disc

AMA | Bridget Harris, YouCanBookMe and Peldi, Balsamiq, discuss remote working & more…

Tuesday, January 10, 09:30 UTC @ Business of Software USA

Join Bridget Harris, (YouCanBookMe) and Peldi (Balsamiq) to discuss remote working and more… Join us FREE – Wednesday 25th January, 17.00 GMT. Bridget’s, YouCanBook.me has grown since 2011 from tens of customers, to now booking in over 750,000 appointments monthly. Watch Bridget speak at this year’s Business of Software Europe on investors, remote working, inclusivity, […] The post

Enhanced commit privileges: Jean-Sébastien Pédron (ports)

Tuesday, January 10, 08:00 UTC @ FreeBSD News Flash

Three proofs that 2017 is prime

Monday, January 09, 22:18 UTC @ John D. Cook

Aaron Meurer asked on Twitter whether there’s a proof that 2017 is prime that would fit into 140 characters. My first reply was this: sqrt(2017) < 45. 2017 not divisible by 2, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, or 43. Ergo prime. I’m not sure that’s what he had […]

How We Almost Messsed Up Trello | Michael Pryor, Trello & Paul Kenny, Ocean Learning| BoS USA 2016

Monday, January 09, 18:22 UTC @ Business of Software USA

Michael Pryor, CEO, Trello and Paul Kenny, Ocean Learning. Michael Pryor is CEO of Trello, the tool that helps entrepreneurs organise their businesses and lives. He’s also the co-founder and President of Fog Creek Software, sits on the board of Stack Exchange. In this interview, with Paul Kenny, Michael talks about some of the things he […] The post

Accessing Dictionaries with Key Paths

Monday, January 09, 15:39 UTC @ Ole Begemann

In Swift Talk episode 31, Chris and Florian present a solution for mutating nested, heterogeneous dictionaries of type [String: Any] in Swift. It’s an interesting discussion, I encourage you to watch it or read the excellent transcript. I helped a little in the preparation of the episode and while experimenting with this problem developed something that ultimately didn’t make it into the video, so I

Monthly highlights

Monday, January 09, 14:53 UTC @ John D. Cook

If you enjoy reading the articles here, you might like a monthly review of the most popular posts. I send out a newsletter at the end of each month. I’ve sent out around 20 so far. They all have two parts: a review of the most popular posts of the month, and a few words […]

Cognitive tech in drones could reduce infectious outbreaks

Monday, January 09, 14:25 UTC @ IBM Blog Research

In 2012, neuroscientist, TEDTalker, inventor James Kozloski’s wife Sumali was in nursing school in Connecticut – just when the state was struggling to deal with some of the highest rates of hospital-acquired infections in the country. The outbreak, for example, contributed 914 cases of “super bug” Methicillin-resistant Staphylococcus aureus to the some 80,000 annual cases […] The post Cogn

El regalo

Monday, January 09, 08:30 UTC @ brucknerite

2053.03.10.22.01.00 Me conecto por penúltima vez. Un vistazo rápido a las estadísticas y a los resúmenes de eventos. Esto está emocionante. ¿Qué habrá pasado? 2053.01.06.08.32.04 ¡Reyes! A mamá le gusta celebrar eso. A mí me gustó el token de tiempo que me regaló. No tardé ni una hora en solicitar una reserva de computación e … Continúa leyendo El regalo

New committer: Johannes Dieterich (ports)

Monday, January 09, 08:00 UTC @ FreeBSD News Flash

New committer: Matthew Rezny (ports)

Monday, January 09, 08:00 UTC @ FreeBSD News Flash

New committer: Larry Rosenman (ports)

Monday, January 09, 08:00 UTC @ FreeBSD News Flash

Stephen Hawking turns 75. Congratulations! Here’s what to celebrate.

Sunday, January 08, 05:00 UTC @ Backreaction

If people know anything about physics, it’s the guy in a wheelchair who speaks with a computer. Google “most famous scientist alive” and the answer is “Stephen Hawking.” But if you ask a physicist, what exactly is he famous for? Hawking became “officially famous” with his 1988 book “A Brief History of Time.” Among physicists, however, he’s more renowned for the singularity theorems. In his

Stephen Hawking turns 75. Congratulations! Here’s what to celebrate.

Sunday, January 08, 05:00 UTC @ Backreaction

If people know anything about physics, it’s the guy in a wheelchair who speaks with a computer. Google “most famous scientist alive” and the answer is “Stephen Hawking.” But if you ask a physicist, what exactly is he famous for? Hawking became “officially famous” with his 1988 book “A Brief History of Time.” Among physicists, however, he’s more renowned for the singularity theorems. In his

Snow And Theory

Saturday, January 07, 04:42 UTC @ Gödel’s Lost Letter and P=NP

The 25th Anniversary of the ACO Program Cropped from src1 & src2 in gardens for karma Prasad Tetali and Robin Thomas are mathematicians at Georgia Tech who are organizing the Conference Celebrating the 25th Anniversary of the ACO Program. ACO stands for our multidisciplinary program in Algorithms, Combinatorics and Optimization. The conference is planned to […]

My site is now on HTTPS

Friday, January 06, 22:38 UTC @ Martin Fowler

Today my site converted over to use HTTPS. Happy secure browsing. more…

The Difference in the Vote

Friday, January 06, 22:24 UTC @ inessential.com

Had Hillary Clinton won Wisconsin, Michigan, and Pennsylvania — states that normally go blue — she would have won an Electoral College majority and she would be President-elect. She didn’t — despite winning the popular vote by nearly 3 million votes — and Donald Trump is President-elect. Russia worked to influence the election. Did they succeed? Did their efforts matter? I don’t know how you’d gauge that. But it’s interesting to note just how close it was.

The Declassified Report

Friday, January 06, 21:53 UTC @ inessential.com

From the Office of the Director of National Intelligence: We assess with high confidence that Russian President Vladimir Putin ordered an influence campaign in 2016 aimed at the US presidential election, the consistent goals of which were to undermine public faith in the US democratic process, denigrate Secretary Clinton, and harm her electability and potential presidency. We further assess Putin and the R

Manton’s Thing

Friday, January 06, 21:22 UTC @ inessential.com

Manton’s doing important work, and you should back it. Microblogging on the open web could be — should be — the next thing. Manton’s building it. With your help.

More on AirPods – A Few Weeks Later

Friday, January 06, 18:02 UTC @ Joe's Blog

The fit isn’t perfect. The buds are just a bit loose for me, and that’s unfortunate. But they don’t fall out while I’m walking around, and they stay enough in place that it doesn’t bother me. An occasional adjustment gets them right back into that ideal sound position. I’ve learned to be less paranoid about read more »

What a Way to Begin 2017

Friday, January 06, 01:45 UTC @ News and Updates - Apple Developer

The App Store welcomed 2017 with its busiest single day ever on New Year’s Day, with customers around the world spending $240 million on apps and in-app purchases. Developers earned over $20 billion last year, and to date have earned a cumulative $60 billion from the sale of apps and games. Thank you for the many innovative apps you've created — which together with our products — help to truly enrich people’s lives. See the full press release.

Joint Mathematics Morsels

Thursday, January 05, 23:10 UTC @ bit-player

Atlanta. I’m at the Joint Mathematics Meetings, the annual smorgasbord where I never have time to fully digest my helping of algebraic geometry before I move on to a desert of cohomology. Here are a few easily swallowed morsels. Carey’s … Continue reading →

Member of the Band – Gorilla Pete Lyons

Thursday, January 05, 22:24 UTC @ Gorilla Logic

Much like a pod of whales or a pack of wolves, did you know that a group of gorillas is called a band? In this blog series, we’re going to introduce you to members of our band – engineers, technical recruiters, PMs, designers, and more who make up the most important asset in Gorilla Logic…our talent! Are you Gorilla material? Join the band today! Pete Lyons

OPML File Type on Macs

Thursday, January 05, 21:20 UTC @ inessential.com

I was fixing a bug in OmniOutliner where it wouldn’t open a file with an uppercase .OPML suffix. I did some digging, and the fix was to register the app as handling the com.apple.news.opml file type. Which upset me. I’ll explain. OPML — Outline Processor Markup Language — was invented in 2000 by Dave Winer at UserLand Software. It’s not Apple’s format, and the correct file type is org.opml.

Learning About Learning

Thursday, January 05, 15:09 UTC @ Computational Complexity

Yesterday Scott Aaronson released his sweeping new P v NP survey. Babai gave an update on graph isomorphism, in short while he still has the first subexponential time algorithm for GI, he no longer claims quasipolynomial-time. We'll have more on graph isomorphism next week. Having seen the power of neural networks for learning, how do they actually work? Over the break I

Basics of Web Application Security: Authorize Actions

Thursday, January 05, 14:40 UTC @ Martin Fowler

Authentication means you know who your user is, protecting their session ensures that information stays correct. Now Cade and Daniel move on to authorization: checking that users only do what they are allowed to do. Authorization should always be checked on the server and should deny by defa

/u/carols10cents on Is most of rust's features only due to a good compiler?

Thursday, January 05, 13:38 UTC @ gilded : rust

One of the core tenets of Rust is "the programmer is a complete numpty; don't trust them unless they sign a contract in blood, in triplicate, promising they know what they're doing." Mmmmmm I see what you're trying to say, but I would rephrase this as "The programmer is a busy human being trying to keep track of their actual logic as well as tedious details. Since computers are REALLY GOOD at keeping track of tedi

IBM 5 in 5: Macroscopes will help us understand Earth’s complexity in infinite detail

Thursday, January 05, 05:01 UTC @ IBM Blog Research

I am part of a team of scientists in IBM Research that study and explore the intersection of big data with physics; a field that is known as physical analytics. My team’s expertise in physical models, machine-learning, sensors, data curation and big data technologies has been put to use in applications dealing with renewable energy, […] The post

IBM 5 in 5: Hyperimaging and AI will give us superhero vision

Thursday, January 05, 05:01 UTC @ IBM Blog Research

I have been an electronics enthusiast ever since I was in elementary school. To put together an electronic device that interacts with the physical world in some way has been my passion and I still remember the excitement I felt when I built my first circuit in 6th grade – even though it was simply […] The post IBM 5 in 5: Hyperimaging and AI will give us super

IBM 5 in 5: Medical labs “on a chip” will serve as health detectives for tracing disease at the nanoscale

Thursday, January 05, 05:01 UTC @ IBM Blog Research

The earlier a disease is diagnosed, the more likely it is to be cured or successfully managed. For example, breast cancer and prostate cancer detected and treated at stage one have five-year survival rates of nearly 100 percent. At stage four, this rate drops to around 26 percent for breast cancer and 28 percent for […] The post IBM 5 in 5: Medical labs ̶

IBM 5 in 5: With AI, our words will be a window into our mental health

Thursday, January 05, 05:01 UTC @ IBM Blog Research

As a neuroscientist, I want to understand the brain. Beyond just the physical structures of neurons and the synapses, but how it works. How is it that we think? How is it that two pounds of protein and water can produce this amazing, complex organ that literally drives humanity? Ultimately, behavior is what the brain […] The post IBM 5 in 5: With AI, our words wi

IBM 5 in 5: Smart Sensors will detect environmental pollution at the speed of light

Thursday, January 05, 05:01 UTC @ IBM Blog Research

Our team brings together a variety of disciplines including silicon photonics, spectroscopy, materials science and physical analytics to create new sensing technologies that can pinpoint and monitor the quality of our environment. Why? Because we believe that a multidisciplinary, collaborative approach is what’s necessary to help prevent pollution. And that’s also why we’re working with […] The post

Babai’s Result: Still a Breakthrough

Thursday, January 05, 00:36 UTC @ Gödel’s Lost Letter and P=NP

Even after today’s retraction of quasi-polynomial time for graph isomorphism Cropped from source László Babai is famous for many things, and has made many seminal contributions to complexity theory. Last year he claimed that Graph Isomorphism (GI) is in quasi-polynomial time. Today Laci posted a retraction of this claim, conceding that the proof has a […]

Information Processing in Chemical Networks

Wednesday, January 04, 17:16 UTC @ Azimuth

There’s a workshop this summer: • Dynamics, Thermodynamics and Information Processing in Chemical Networks, 13-16 June 2017, Complex Systems and Statistical Mechanics Group, University of Luxembourg. Organized by Massimiliano Esposito and Matteo Polettini. They write, “The idea of the workshop is to bring in contact a small number of high-profile research groups working at the […]

Time, but Faster

Wednesday, January 04, 14:24 UTC @ ACM Queue - All Queue Content

The first premise was summed up perfectly by the late Douglas Adams in The Hitchhiker's Guide to the Galaxy: "Time is an illusion. Lunchtime doubly so." The concept of time, when colliding with decoupled networks of computers that run at billions of operations per second, is... well, the truth of the matter is that you simply never really know what time it is. That is why Leslie Lamport's seminal paper on Lamport timestamps was so important to the industry, but this article is actually about wall-clock time

Cover time of a graph: cliques, chains, and lollipops

Wednesday, January 04, 13:00 UTC @ John D. Cook

Cover time The cover time of a graph is the expected time it takes a simple random walk on the graph to visit every node. A simple random walk starts at some node, then at each step chooses with equal probability one of the adjacent nodes. The cover time is defined to be the maximum […]

The Bullet Cluster as Evidence against Dark Matter

Wednesday, January 04, 04:47 UTC @ Backreaction

Once upon a time, at the far end of the universe, two galaxy clusters collided. Their head-on encounter tore apart the galaxies and left behind two reconfigured heaps of stars and gas, separating again and moving apart from each other, destiny unknown. Four billion years later, a curious group of water-based humanoid life-forms tries to make sense of the galaxies’ collision. They point their

The Bullet Cluster as Evidence against Dark Matter

Wednesday, January 04, 04:47 UTC @ Backreaction

Once upon a time, at the far end of the universe, two galaxy clusters collided. Their head-on encounter tore apart the galaxies and left behind two reconfigured heaps of stars and gas, separating again and moving apart from each other, destiny unknown. Four billion years later, a curious group of water-based humanoid life-forms tries to make sense of the galaxies’ collision. They point their

Changing names

Wednesday, January 04, 01:00 UTC @ John D. Cook

I’ve just started reading Laurus, an English translation of a contemporary Russian novel. The book opens with this paragraph. He had four names at various times. A person’s life is heterogeneous, so this could be seen as an advantage. Life’s parts sometimes have little in common, so little that it might appear that various people […]

‘The Devastation Is Very Important to Me’

Tuesday, January 03, 20:26 UTC @ inessential.com

During the Cold War, I was a kid, and then a teenager, and I often thought about the end of human life. Maybe an all-out nuclear war followed by nuclear winter would not have killed everybody, but maybe it would have. I imagined a billion people vaporized. Then I imagined just one person vaporized a billion times. I imagined one person dying in flames a billion times. I imagined one person coughing and sick and dying of radiation poisoning a billion times. I imagined one child dying of hu

Lindy West on Leaving Twitter

Tuesday, January 03, 19:03 UTC @ inessential.com

She writes: On 29 December, Twitter CEO Jack Dorsey tweeted: “What’s the most important thing you want to see Twitter improve or create in 2017?” One user responded: “Comprehensive plan for getting rid of the Nazis.” “We’ve been working on our policies and controls,” Dorsey replied. “What’s the next most critical thing?

Bernoulli numbers, Riemann zeta, and strange sums

Tuesday, January 03, 11:30 UTC @ John D. Cook

In the previous post, we looked at sums of the first n consecutive powers, i.e. sums of the form where p was a positive integer. Here we look at what happens when we let p be a negative integer and we let n go to infinity. We’ll learn more about Bernoulli numbers and we’ll see what […]

IBM Scientist Brings Opportunity and Innovation to Somalia

Tuesday, January 03, 10:15 UTC @ IBM Blog Research

When Somalia is often mentioned in the news it’s often followed by “explosion,” “drought” and “corruption,” but this hasn’t discouraged IBM computer scientist and Somali Abdigani Diriye from attempting to turn around the country’s fortunes. Diriye left Somalia in 1989 for England, where he attended school, eventually achieving a PhD in computer science from University College […] The post

Style Guide Update: Agent of Russia

Monday, January 02, 22:33 UTC @ inessential.com

As we were updating the inessential.com style guide for the new year, we came across an interesting question: do we refer to Donald Trump as: President-elect Donald Trump, or President-elect and Russian agent Donald Trump, or President-elect and agent of Russia Donald Trump. (Obviously, “President-elect” changes to “President” on January 20, unless God graces us with a stroke of luck.) The first option was discarded as a disservice to our re

Predictions for 2017

Monday, January 02, 19:32 UTC @ Computational Complexity

Lance's Complexity Year in Review, posted the last week of the year (lets hope that P vs NP is not resolved on Dec 31) is a tradition that goes back to 2002. Bill posting predictions for the coming year is a tradition that goes back to 2016. Here is the last one: here. My predictions were not very good- all of those that came true were obvious (P vs NP will not be resolved, CS enrollment will go up). My biggest goof

/u/marcusklaas on Writing an OS in Rust: Double Faults

Monday, January 02, 18:54 UTC @ gilded : rust

Exceptionally fascinating. Thank you for writing and sharing this.

Lispjobs: Web Technologist, Cadence, San Jose, California

Monday, January 02, 15:52 UTC @ Planet Lisp

They’re looking for a “full stack Java programmer,” but must also have 3+ years hand-on experience in Lisp/Tk Programming on Linux. See web technologist job posting. <

How to use an "argument from authority"

Monday, January 02, 07:11 UTC @ Backreaction

I spent the holidays playing with the video animation software. As a side-effect, I produced this little video. If you'd rather read than listen, here's the complete voiceover: It has become a popular defense of science deniers to yell “argument from authority” when someone quotes an experts’ opinion. Unfortunately, the argument from authority is often used incorrectly. What is an “argument

How to use an "argument from authority"

Monday, January 02, 07:11 UTC @ Backreaction

I spent the holidays playing with the video animation software. As a side-effect, I produced this little video. If you'd rather read than listen, here's the complete voiceover: It has become a popular defense of science deniers to yell “argument from authority” when someone quotes an experts’ opinion. Unfortunately, the argument from authority is often used incorrectly. What is an “argument

The 2017 Edge Annual Question: Which Scientific Term or Concept Ought To Be More Widely Known?

Sunday, January 01, 07:35 UTC @ Backreaction

My first thought when I heard the 2017 Edge Annual Question was “Wasn’t that last year's question?” It wasn’t. But it’s almost identical to the 2011 question, “What scientific concept would improve everybody’s cognitive toolkit.” That’s ok, I guess, the internet has an estimated memory of 2 days, so after 5 years it’s reasonable to assume nobody will remember their improved toolkit. After that

The 2017 Edge Annual Question: Which Scientific Term or Concept Ought To Be More Widely Known?

Sunday, January 01, 07:35 UTC @ Backreaction

My first thought when I heard the 2017 Edge Annual Question was “Wasn’t that last year's question?” It wasn’t. But it’s almost identical to the 2011 question, “What scientific concept would improve everybody’s cognitive toolkit.” That’s ok, I guess, the internet has an estimated memory of 2 days, so after 5 years it’s reasonable to assume nobody will remember their improved toolkit. After that

Linkage for the end of an arbitrary temporal measurement unit

Sunday, January 01, 04:03 UTC @ 0xDE

This year's graph drawing contest (G+) Ian Agol reviews knot and link volumes (G+) How to turn crossing surfaces into interwove