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Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,823 posts.
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API design note: Beware of adding an "Other" enum value
What are you going to do when you add a new kind?
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Letters between Backus and Dijkstra (1979)
Letters between John W Backus and Edsger W Dijkstra, 1979
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1.5 is the midpoint between 0 and infinity in Ruby
What's the midpoint between 0 and infinity in Ruby? It's 1.5 for some reason. What's the reason you might ask? Read on to find out.
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A Man from the Future: Why Johnny Can't Stop Abstracting
I have come to suspect that to most people thinking is painful. Some of us are addicted to thinking. Some of us find it a necessity. Johnny ...
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A Taste of JavaScript's New Parallel Primitives
Author's note: Since this post was written, the API of postMessage has changed slightly. When sending a SharedArrayBuffer with postMessage, the buffer should no longer be in the transfer list ...
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Let's write a setjmp
Yesterday I wrote that setjmp is handy and that it would be nice to have without linking the C standard library. It’s conceptually simple, after all. Today let’s explore some differently-portable implementation possibilities with distinct trade-offs. At the very least it should illuminate why setjmp sometimes requires…
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Julia 1.7 Highlights
Some highlights of the Julia 1.7 release.
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Understanding Memory Management, Part 1: C
UPDATED: 2025-02-15: Fixed some bugs in the examples and pointed out that you don't usually just want to panic on memory allocation failure.
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Sublime Text 2: Beta
Since the first public Alpha at the end of January, there have been 12 new releases, and many more dev builds. On average, that's a new version every two weeks for the past five months. During this time, Sublime Text 2 has made great strides in functionality, and a correspondingly large increase in users. Sublime Text…
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Rust and WebAssembly in 2019
Compiling Rust to WebAssembly should be the best choice for fast, reliable codefor the Web. Additionally, the same way that Rust integrates with C callingcon...
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The lifecycle of a code AI completion
Demystifying code AI: Learn how Cody analyzes context, retrieves references, prompts models, and refines completions behind the scenes.
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Hands-on WebAssembly
Learn the basics of WebAssembly through code examples and try different ways to compile C and Rust programs for the browser with the help of Docker image from Evil Martians.
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My first impressions of Gleam
What I’ve learned in my first few hours using Gleam for a small project.
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How many lines of code is Candy Japan?
Guess how many lines of code you end up with when writing a subscription box site from scratch.
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Software engineering is a learning process, working code is a side effect
I have come to the conclusion that Software Engineering is primarily a learning endeavour, the working code is rather a side effect. This quote is actually not mine but I am paraphrasing Alberto Brandolini who is making this very point in Event Storming (he was actually talking about Software Development, but I do not…
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Bootstrapping a multiplayer server with Elixir
A case study of how Elixir is being used at X-Plane.
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Toit v2.0.0
Celebrating Toit v2.0.0 after more than four years of alpha development.
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Donut math - How donut.c works
There has been a sudden resurgence of interest in my "donut" code from 2006 , and I've had a couple requests to explain this one. It's been five years now, so it's not exactly fresh in my memory, so I will reconstruct it from scratch, in great detail, and hopefully get approximately the same result.
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Ruby 3, Concurrency and the Ecosystem
I'm a technologist with a focus in ecommerce, GenAI, and developer productivity. I enjoy building reliable and fast software, and helping others to do the same.
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Debugging a rustc segfault on Illumos
Using `mdb` and `pmap` to find the cause of a crash.
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Code Like a Pythonista: Idiomatic Python
The home of pythonistas
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Hot-code reloading on macOS/arm64 with Zig
Jakub Konka's weblog about programming, game theory, maths, and more.
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Why the original transformer figure is wrong, and some other tidbits about LLMs
A few months ago, I shared the article, Understanding Large Language Models: A Cross-Section of the Most Relevant Literature To Get Up to Speed, and the positive feedback was very motivating!