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Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 3,470 posts.
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The Origins of DS_store (2006)
If you are a Mac user, or if you have transferred files from Mac to Windows, you’re probably familiar with .DS_Store files. But where does this name come from?
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Building Fast Interpreters in Rust
In the previous post we described the Firewall Rules architecture and how the different components are integrated together. We created a configurable Rust library for writing and executing Wireshark®-like filters in different parts of our stack written in Go, Lua, C, C++ and JavaScript Workers.
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On React and WordPress
Big companies like to bury unpleasant news on Fridays: A few weeks ago, Facebook announced they have decided to dig in on their patent clause addition to the React license, even after Apache had sa…
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How I reverse-engineered Google Docs to play back any document's keystrokes
How James Somers reverse-engineered Google Docs to play back any document's keystrokes
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Extensions in Firefox 59
Firefox Quantum continues to make news as Mozilla incorporates even more innovative technology into the platform. The development team behind the WebExtensions architecture is no exception, landing a slew of ...
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Why AWS loves Rust, and how we’d like to help
One of the most exciting things about the Rust programming language is that it makes infrastructure incredibly boring. That’s not a bad thing, in this case. No one wants their electrical wiring to be exciting; most of us prefer the safety that comes with being able to flip a switch and have light to see […]
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React v18.0
The library for web and native user interfaces
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New for AWS Lambda: Use Any Programming Language and Share Common Components
I remember the excitement when AWS Lambda was announced in 2014! Four years on, customers are using Lambda functions for many different use cases. For example, iRobot is using AWS Lambda to provide compute services for their Roomba robotic vacuum cleaners, Fannie Mae to run Monte Carlo simulations for millions of…
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63 Cores Blocked by Seven Instructions
I seem to have a habit of writing about super powerful machines whose many cores are laid low by misuse of locks. So. Yeah. It’s that again. But this one seems particularly impressive. I mean, how …
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Why Atom Can’t Replace Vim – Learning the lesson of vi
Learning the lesson of vi
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How to Make Your Code Reviewer Fall in Love with You
Best practices for code review when you’re the author.
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Technical Papers Every Programmer Should Read (At Least Twice)
Let me preface this post by saying that no programmer should feel compelled to read any of these papers. I list them because I think that they provide a breadth of information that is generally useful and interesting from a computer science perspective. What you do with that information is your prerogative, including…
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Knuth on Huang's Sensitivity Proof: “I've got the proof down to one page” [pdf]
The Sensitivity Conjecture, which I blogged about here, says that, for every Boolean function f:{0,1}n→{0,1}, the sensitivity of f—that is, the maximum, over all 2n input strings x∈{0,1}n, of…
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Design Docs at Google
One of the key elements of Google's software engineering culture is the use of design docs for defining software designs. These are...
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exFAT in the Linux kernel
We’re pleased to announce that Microsoft is supporting the addition of Microsoft’s exFAT technology to the Linux kernel.
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Aspects of modern HTML/CSS you may not be familiar with
An overview of what makes modern CSS so awesome.
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Floating Point Visually Explained
While I was writing the Wolfenstein 3D book [1] , I wanted to demonstrate how much of a handicap it was to work without floating points. My attempts at understanding floating points using canonical [2] articles [3] were met with resistance from my brain. I tried to find a different way. Something far from $(-1)^S *…
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Cerebras Code
We are launching two new plans designed to make AI coding faster and more accessible: Cerebras Code Pro ($50/month) and Code Max ($200/month). Both plans give you access to Qwen3-Coder , the world’s leading open-weight coding model—running at speeds of up to 2,000 tokens per second , with a 131k-token context window …
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4K is for programmers
My name is Brian Hauer and these are my rants about technology, politics, and anything else that irks me.
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Something Pretty Right: The History and Legacy of Visual Basic
How Visual Basic became the world’s most dominant programming environment, its sudden fall from grace, and why its influence is still shaping the future of software development.
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Using Rust to Scale Elixir for 11M Concurrent Users
Discover the latest news and app updates, stories, company insights, and plenty more about Discord, all in one place.
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Can LLMs learn from a single example?
We’ve noticed an unusual training pattern in fine-tuning LLMs. At first we thought it’s a bug, but now we think it shows LLMs can learn effectively from a single example.
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Web Framework Benchmarks
Round 1 of the TechEmpower Framework Benchmarks Project!
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Breaking the spell of vibe coding
Sinister variations on the positive state of flow