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Wind energy used to mine cryptocurrency to fund climate research
Wind energy used to mine cryptocurrency to fund climate research Oliver 2017
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V8: A Tale of TurboFan
Personal website of Benedikt Meurer, JavaScript Engine Hacker and Programming Language Enthusiast.
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Memories of Kurt Gödel
[This memoir essay appeared in the magazine Science 82 in April 1982, and in my 1982 book Infinity and the Mind. It’s based on the “Conversations With Godel” documented in my previous post. Some of the photos are from a recent trip through the West, others from the 1970s.] [This is a cropped version of
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Matrices from a geometric perspective
Graphics is all about geometry. In particular, there are points that have a certain color, and the pattern of colors gives you a certain picture. You can change the way the points are distributed by applying certain transformations like translation (movement), rotation and scaling. While most people familiar with the…
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Inside the vintage Xerox Alto's display, a tiny lightbulb keeps it working
In this Alto restoration episode, we repaired a second CRT display, exercising our TV repair skills and discovering a tiny mysterious lightb...
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An Introduction to Deep Learning for Language Modeling
Language models assign probability values to sequences of words. Those three words that appear right above your keyboard on your phone that try to predict the next word you’ll type are one of the uses of language modeling. In the case shown below, the language model is predicting that “from”, “on” and “it” have a high…
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Driving for Uber and Lyft
About two years ago, I switched from taking my personal car to the airport, to hailing Ubers and Lyfts. The math of it was pretty simple: Uber was cheaper than paying for my driving and parking*. A…
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The “Happy Path” to HTTPS
It's finally time: it's time the pendulum swings further towards the "secure by default" end of the scale than what it ever has before. At least insofar as securing web traffic goes because as of this week's Chrome 62's launch, any website with an input box
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Visiting a site that uses Disqus when not logged in sends URL to Facebook
I was surprised to see the Facebook SDK being loaded in the network tab on my blog when I don't have any Facebook buttons. It turned out to be coming courtesy of Disqus. No wonder Facebook knows everywhere you go!
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Photos from Inside North Korea (2014)
I visited North Korea for 16 days in 2014. Here are 100 photos I took inside all corners of this secretive socialist nation.
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Finding bugs in Haskell code by proving it
Last week, I wrote a small nifty tool called bisect-binary , which semi-automates answering the question “To what extent can I fill this file up with zeroes and still have it working”. I wrote it it in Haskell, and part of the Haskell code, in the Intervals.hs module, is a data structure for “subsets of a file”…
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When Citi Bikes Are Faster Than Taxis in New York City
Over 50% of peak hour taxi trips would be faster as Citi Bike rides, and taxis are only getting slower
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Why Do DMT Users See Insects from a Parallel Universe?
The molecule DMT (N,N-Dimethyltryptamine) is a psychoactive chemical that causes intense visions and can induce its users to quickly enter a completely different "environment" that some have likened to an alien or parallel universe. The transition from our world to theirs occurs with no cessation of consciousness or…
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Disney’s Choice
Cable TV created a world where differentiated content could profit from everyone; that is why it will be hard for Disney to make the choices streaming will force on them.
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Welp, there go my Git signatures
Hello! If you already know about the RoCA vulnerability, and you know what I did about it (or you don’t care), then feel free to skip down to the good stuff! Signs of Trouble Monday morning,…
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How We Found All of Optimizely's Clients
Search Engine For Source Code. Find websites using technology, HTML, Javascript, CSS Tags.
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Distributed Consensus – How Shared Data Is Stored
If you don’t work in computers, you probably haven’t spent much time thinking about how data gets stored on computers or in the cloud. I’m…
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The Bitcoin Apocalypse Is Coming in Mid-November
[UPDATE: This post was originally said that the SegWit2X fork will happen on November 1. In fact it is scheduled to occur on block 494,764 ...
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Programmer Competency Matrix (2016)
A matrix for rating programmers on computer science, software engineering, programming, security, infrastructure, data, AI-assisted development, experience and knowledge, from 2ⁿ to log(n).
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Compiler Optimizations are Awesome
Another reason for optimizing compilers: It allows us to write simple and obvious code expecting that the compiler will do the optimization. This both reduces the initial defect count and makes the code more maintainable in the long-run. Note that these are also often the simplest optimizations (e.g. a calculation…
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Where we're going, we don't need headphones
If there is one single complaint about work I hear most often from clients and friends, it’s that they have a hard time focusing in their office. No matter if you’re pairing with someone or need some quiet time - if you can’t escape the background noise, you’ll have a hard time getting any work done. Let me share with…
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Confession of a so-called AI expert
[Twitter thread, Hacker News discussion, Le Monde]
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Common Multithreading Mistakes in C# – Unsafe Assumptions
An in-depth look at exactly what the CPU and runtime can do to subvert us when we don't write properly thread-safe code.
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Bookbinding: A Tutorial (1995)
This page has been moved to http://homepage.cs.uiowa.edu/~dwjones/making/book/index.shtml
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Sans Bullshit Sans: leveraging the synergy of ligatures (2015)
Front-end antics and typographic mischievousness