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Nerd Sniped by BINFMT_MISC
How to script in any language thanks to rootless containers and BINFMT_MISC.
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The latest blog posts to take off on Hacker News. 21,834 posts.
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Representing the Impractical and Impossible with JDK 10 “var”
Having benefited from “var” for many years when writing c#, I’m delighted that Java is at last getting support for local variable type inference in JDK 10. From JDK 10 instead of saying ArrayList<String> foo = new ArrayList<String>(); we can say var foo = new ArrayList<String>(); and the type of “foo” is inferred as…
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Clojure Don’ts: Lazy Effects (2015)
Laziness is often useful. It allows you to express “infinite” computations, and only pay for as much of the computation as you need.
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How we built Hamiltix.net for less than $1 a month on AWS
The details of running a complex ticket ranking site for under a dollar a month on AWS
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Paper is dead, long live paper programming
It should come as no surprise to anyone who reads this blog that I love to program "by hand." I happen to practice a degree of ascetical programming practices, and I believe that they help me to more deeply internalize and understand problems, ultimately delivering higher quality solutions. One of
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Age of Empires Definitive Edition's pathing and movement
Typical Age DE forum post: The pathfinding in the game is terrible. First off, Age of Empires Definitive Edition is a remaster of...
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Decode Like It's 1999: MPEG-1 Decoder in JavaScript
A few years ago I started to work on an MPEG1 Video decoder, completely written in JavaScript. Now, I finally found the time to clean up the library, improve its performance, make it more error resilient and modular and add an MP2 Audio decoder and MPEG-TS demuxer. This makes this library not just an MPEG decoder, but…
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The Makefile I use with JavaScript projects
I work on a lot of Javascript projects. The fashion in Javascript is to use build tools like Gulp or Webpack that are written and configured in Javascript. I want to talk about the merits of Make.
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Announcing Flutter beta 1: Build beautiful native apps
Today, as part of Mobile World Congress 2018, we are excited to announce the first beta release of Flutter . Flutter is Google's new mobile UI framework that helps developers craft high-quality native interfaces for both iOS and Android. Get started today at flutter.io to build beautiful native apps in record time.
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NumPy Exercises for Data Analysis in Python
The goal of the numpy exercises is to serve as a reference as well as to get you to apply numpy beyond the basics. The questions are of 4 levels of difficulties with L1 being the easiest to L4 being the hardest.
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Why Searching Through 500M Pwned Passwords Is So Quick
In the immortal words of Ricky Bobby, I wanna go fast [https://www.youtube.com/watch?v=_qJGsSuFRIg]. When I launched Pwned Passwords V2 last week [https://www.troyhunt.com/ive-just-launched-pwned-passwords-version-2/], I made it fast - real fast - and I want to talk briefly here
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Nobody's just reading your code
Most programmers agree that we don't read enough code. The interviews in Peter Seibel's book, “Coders at work” highlight a comical contradiction: almost all the programmers interviewed by Seibel recommend that others read code for fun, but none of them routinely do so themselves. Seibel even asked Hal Abelson (of SICP…
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Reasoning with Types in Rust
Hi, I'm Ariel (she/her), a newly-minted member of the Swift team at Apple ! Previously, I helped lead the Luau team at Roblox where my efforts primarily focused on the design and implementation of Luau 's type system. I also led the creation of Lute to support using Luau both to build developer tooling, and as a…
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Go 2017 Survey Results
What we learned from the December 2017 Go User Survey.
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How I Learned to Stop Worrying and Love the State Machine
“Any sufficiently complicated model class contains an ad-hoc, informally-specified, bug-ridden, slow implementation of half of a state machine.”–former colleague 1
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How Much Does a Compiler Cost?
The compiler tool chain is one of the largest and most complex components of any system, and increasingly will be based on open source code, either GCC or LLVM. On a Linux system only the operating system kernel and browser will have more lines of code. For a commercial system, the compiler has to be completely…
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Speed Without Wizardry
Vyacheslav Egorov, who goes by mraleph on the Web, wrote a responseto my article “Oxidizing Source Maps with Rust and WebAssembly”titled “Maybe you don’t nee...
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Compiler bug? Linker bug? Windows Kernel bug
See the end of the post for an October 2018 bug fix update, or read the whole story: Flaky failures are the worst. In this particular investigation, which spanned twenty months, we suspected hardwa…
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Web application from scratch, part I
This is the first in a series of posts in which I'm going to go through the process of building a web application (and its web server) from scratch in Python. For the purposes of this series, I'm going to solely rely on the Python standard library and I'm going to ignore the WSGI standard.
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An SVG that always shows today's date
For my contact page, I wanted a generic calendar icon to let people view my diary. Calendar icons are almost always a skeuomorph of a paper calendar, but I wondered if I could make it slightly more useful by creating a dynamic icon. Here it is, an SVG calendar which always display's today's date: The background image…
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A Crash Course on ML Modules (2015)
I was having lunch with a couple of Haskell programmers the other day and the subject of the ML family came up. I’ve been writing a lot of ML lately and mentioned that I thought *ML was well worth learning for the average Haskeller. When pressed why the best answer I could come up with was “Well.. clean language, Oh!…
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Ruby 2.6.0-preview1 Released
We are pleased to announce the release of Ruby 2.6.0-preview1.
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Defending your app from copies and clones
App developers sometimes ask me what they should do when their features, designs, or entire apps are copied by competitors.
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Versioned Go Commands
What does it mean to add versioning to the go command? The overview post gave a preview, but the followup posts focused mainly on underlying details: the import compatibility rule , minimal version selection , and defining go modules . With those better understood, this post examines the details of how versioning…
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Oxidizing Fedora: Try Rust and Its Applications Today
In recent years, it has become increasingly important to develop software that minimizes security vulnerabilities. Memory management bugs are a common cause of these vulnerabilities. To that end, the Mozilla community has spent the last several years building the Rust language and ecosystem which focuses primarily on…