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Learning C with gdb
The Recurse Center is a self-directed, community-driven educational retreat for programmers in New York City.
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 21,819 posts.
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On the shoulders of the giants
Hands-on technical leader, Rust expert.
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New JSON query operators in SQLite 3.38.0
SQLite 3.38.0 introduced improvements to JSON query syntax using -> and ->> operators that are similar to PostgreSQL JSON functions. In this post we...
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Elixir saves Pinterest $2M a year in server costs
Companies see huge server savings with Elixir.
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Can't be fucked: Underrated cause of tech debt
Can’t Be Fucked Aussie slang for not wanting to, or not having the energy and motivation to do something. “Man, i really can’t be fucked changing the channel, let’s just watch Springer.” - Urban Dictionary
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Garbage collection for systems programmers (2023)
Yet another programming blog. Thoughts on software and related misadventures.
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Svelte 4
Updated performance, developer experience, and site
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The Bun Shell
The Bun Shell is a cross-platform shell that allows you to run shell scripts in JavaScript & TypeScript
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Choosing between names and identifiers in URLs
The best APIs implement both permalink URLs based on identifiers for stable identification and search URLs based on names (and perhaps other values) for ease-of-use. Here's why.
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Improvements to static analysis in GCC 14
Learn about static analysis improvements coming in GCC 14 with -fanalyzer, which helps identify issues in C code at compile-time, rather than at runtime.
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GPT-5-Codex
Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or even your phone.
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Things I would have told myself before building an autorouter
Important lessons from trying to build the world's fastest autorouter for about a year
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Regex engine internals as a library
Over the last several years, I’ve rewritten Rust’s regex crate to enable better internal composition, and to make it easier to add optimizations while maintaining correctness. In the course of this rewrite I created a new crate, regex-automata , which exposes much of the regex crate internals as their own APIs for…
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Neural Networks in JavaScript with Deeplearn.js
An extensive tutorial on how to implement a neural network in JavaScript with deeplearn.js to perform machine learning in JavaScript. You can bring neural networks to your browser by using the performance benefits of WebGL. Deeplearn.js makes it possible to implement a WebGL powered neural network ...
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Useless Use of "dd" (2015)
tl;dr: dd works for reading and writing disks, but it has no "low level I/O" capabilities that make it more suited for this than any other shell utility. Like cat you should use it where it makes sense, e.g. to take advantage of its wide array of options, rather than try to ensure that all disk related commands begin…
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GPT-3.5 Turbo fine-tuning and API updates
Developers can now bring their own data to customize GPT-3.5 Turbo for their use cases.
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Batteries included with Emacs (2020)
Emacs has a reputation for being borderline unusable out of the box, of being bloated but somehow surprisingly bare. This is largely a discoverability problem1. The solution the Internet has settled on seems to be “Emacs distributions” like Doom, Spacemacs or Prelude that glue together dozens (sometimes hundreds) of…
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Effective Rust (2021)
A collection of specific ways to improve your use of Rust
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Lean proved this program correct; then I found a bug
AI agents are getting very good at finding vulnerabilities in large-scale software systems.
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Elixir v1.7 released
Elixir v1.7 includes many quality of life improvements, focusing on documentation, Logger and ExUnit, as well as a new Elixir Core team member.
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In praise of --dry-run
See how we improve software reliability with --dry-run modes. Learn best practices for tool development with insights from our expert, Patrick Stevens.
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Build Yourself a Redux
Learn how to build a working Redux implementation from scratch. Our implementation won't cover every nuance, but we'll remove most of the mystery.