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Metronomes in JavaScript
Monica Dinculescu's blog
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The latest blog posts to take off on Hacker News. 21,834 posts.
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Technical Breakdown of a new NES game written in Lisp
What Remains is a narrative adventure game for the 8-bit NES video game console, and was released in March 2019 as a free ROM, playable in emulator. It was created by a small team, Iodine Dynamics, over the course of two years of on and off development. It’s currently in the hardware phase as a limited batch of…
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Frustrations with React Hooks
React Hooks can be frustrating despite their popularity and widespread use. Learn about some of the drawbacks to using React Hooks.
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Running GitHub on Rails 6.0
On August 26, 2019, the GitHub application was deployed to production with 100% of traffic on the newest Rails version: 6.0. Read more about our process for upgrading, what we learned, and what’s next.
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GCC eBPF for Linux port has landed
This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project .
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Sunsetting Python 2
The official home of the Python Programming Language
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Popcount CPU instruction
Most CPU architectures in use today have an instruction called popcount , short for “population count”. Here’s what it does: it counts the number of set bits in a machine word. For example (assuming 8-bit words for simplicity), popcount(00100110) is 3 and popcount(01100000) is 2 .
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Eric's Guide to Hiring Software Developers
First of a two-part series on the best strategies for hiring humans in the 21st century. Fueled by both personal experience and the experience of countless mentors (and recruiters), this gigantic post is bursting at the seams with knowledge. Though specifically written by a CTO-type, the strategies are useful for…
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Our journey to type checking 4M lines of Python
Dash knows your context, your team, and your work, so your team can stay organized, easily find and share knowledge, and keep projects secure, all from one place.
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Parallelism in Crystal
Crystal has made a huge step forward to have parallelism as a first class citizen. In short, you can set up the number of worker threads on runtime and each new fiber will be scheduled to run on one of them. Channel and select will work seamlessly. You are allowed to share memory between workers, but you will probably…
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I wrote a self-hosting C compiler in 40 days (2015)
I wrote a self-hosting C compiler which I named 8cc in 40 days. This is a log when I was writing it from scratch by myself in 2012. The code and its history are available at GitHub .
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Let the callers of your API control allocations
This is a post about performance. Most of the time when worrying about the performance of a piece of code the overwhelming advice should be (with apologies to Brendan Gregg) don’t worry about it, yet. However there is one area where I counsel developers to think about the performance implications of a design, and that…
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Three Tribes of Programming (2017)
There's an old joke that computer science is a lie, because its not really about computers, and its not really a science. Funny joke. Everyone laughs, then someone says "Yeah but it sort of is about computers though, isn't it?". Feet shuffle awkwardly. Someone clears their throat and before you
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Solving Every Sudoku Puzzle (2006)
Every square has exactly 3 units and 20 peers. For example, here are the units and peers for the square C2 :
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Debugging WebAssembly outside of the browser
WebAssembly has begun to establish itself outside of the browser via dedicated runtimes like Mozilla’s Wasmtime and Fastly’s Lucet. While the promise of a new, universal format for programs is ...
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Static TypeScript: A Static Compiler for the TypeScript Language
Static TypeScript is designed to be useful in practice (especially in education), while being amenable to static compilation targeting small devices.
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ORMs Are Backwards
Not bad just backwards
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Mozilla’s Manifest v3 FAQ
Developers have asked what Google's proposed changes to their extensions API, known as Manifest v3, mean for Mozilla. Here are some frequently asked questions.
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Lezer
I keep coming across people who consider parser technology a forbidding, scary field of programming. This is nonsense—a small parser can be very, very simple , and provide a wholesome exercise in recursive thinking. At the same time, it is true that you can make parsing extremely complicated. Mostly, this tends to…
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Shenanigans With Hash Tables
One reason to know how your data structures work is so that when your problem has unusual constraints you can tweak how they work to fit the problem better or work faster. In this article I’ll talk about four different fun tweaks to the concept of a hash table that I made in the process of using hash tables to…
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Tree traversal without recursion: the tree as a state machine (2007)
I am currently working my way through Higher-Order Perl , a highly recommended tome on effective and practical use of functional programming techniques in Perl. As you’d expect from a book that spends a lot of time discussing such concepts as function composition and recursion, the subject of tree traversal makes a…
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Good Code Design from Linux
Learn how Linux/FFmpeg C partial codebase is organized to be extensible and act as if it were meant to have “polymorphism”. Specifically, we’re going to briefly explore how Linux …