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Never write your own date parsing library
Never write your own date parsing library. Never. No exceptions. Never have I ever… So… I’ve written my own date parsing library. Why? Our story begins seven…
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The latest blog posts to take off on Hacker News. 21,819 posts.
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Programming vehicles in games
The fundamental principles needed to get a functional vehicle in your game.
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How Anthropic teams use Claude Code
Teams across Anthropic use Claude Code for everything from debugging production issues and navigating unfamiliar codebases to building custom automation tools. Here's how.
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Software Development at 800 Words per Minute
How I develop software at 800 words per minute with a screen reader
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There is no memory safety without thread safety
Memory safety is all the rage these days. But what does the term even mean? That turns out to be harder to nail down than you may think. Typically, people use this term to refer to language...
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Use Your Type System
Today I'm discussing a trivially simple technique that I've rarely seen used in production codebases. In programming, we often need to deal with simple values that can be represented by simple, generic types built into our programming language or provided by libraries: types like integer, string, or UUID. In any
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Getting decent error reports in Bash when you're using 'set -e'
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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Why I write recursive descent parsers, despite their issues (2020)
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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You can now disable all AI features in Zed
From the Zed Blog: If you don’t want AI in your workflow, it won’t be there.
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Why Elixir? Common misconceptions
Why Elixir is not just a good platform for modern development, but a great one - addressing common misconceptions
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Extending Emacs with Fennel (2024)
After watching this year’s EmacsConf and seeing Guile Emacs being resurrected I thought to myself - why limit ourselves to Guile? Sure, Guile isn’t just a Scheme implementation, thanks to its compiler-tower-based design. Other languages exist for Guile VM, such as Emacs Lisp, and Guile manual lists the following…
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AI coding agents are removing programming language barriers
AI coding tools are dissolving the language barriers that once defined our careers. As someone who coded exclusively in Ruby for a decade, I’m now contributing to low-level system projects I couldn’t have touched before. Here’s how AI coding agents enabled my leap from Ruby to C, C++, and Rust.
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Qwen3-Coder: Agentic coding in the world
GITHUB HUGGING FACE MODELSCOPE DISCORD Today, we’re announcing Qwen3-Coder, our most agentic code model to date. Qwen3-Coder is available in multiple sizes, but we’re excited to introduce its most powerful variant first: Qwen3-Coder-480B-A35B-Instruct — a 480B-parameter Mixture-of-Experts model with 35B active…
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CSS's problems are Tailwind's problems
Apparently this horse hasn't been beaten enough.
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Jujutsu for busy devs
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Erlang 28 on GRiSP Nano using only 16 MB
A modular embedded ecosystem—bare-metal hardware, software stacks, and a cloud platform for real-time IoT and distributed systems.
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SQL Injection as a Feature
Looking at old applications, we always wonder who in their right mind thought of building them so badly. But every repository has its story and every effort has noble origins. I encountered such an ap
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Covers as a way of learning music and code
When you're just getting started with music, you have so many skills to learn. You have to be able to play your instrument and express yourself through it. You need to know the style you're playing, and its idioms and conventions. You may want to record your music, and need all the skills that come along with it.
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I wasted weeks hand optimizing assembly because I benchmarked on random data
The target system was a distributed data processing platform that ran across hundreds of thousands of machines. At such scales, a 0.5% improvement would easily make up my salary going forward, and 2% was a good result for the half.
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Log by time, not by count
By default, log based on fixed time intervals rather than number of messages.
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Speeding up my ZSH shell
Super quick one I want to document here! I got myself on a side quest, again! No biggie, my ZSH shell was taking ages to load. When I say ages, more like...
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LLM architecture comparison
From DeepSeek-V3 to Kimi K2: A Look At Modern LLM Architecture Design
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The borrowchecker is what I like the least about Rust
Rust's borrowchecker comes with real downsides
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The Big OOPs: Anatomy of a Thirty-Five Year Mistake
My presentation from the inaugural Better Software Conference, with notes.
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Asynchrony is not concurrency
Yes I know about that one talk from Rob Pike.
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“Dynamic programming” is not referring to “computer programming”
When seeing the phrase “dynamic programming” in an algorithms class or leetcode study guide, the first question people ask is “what does ‘dynamic’ mean in this context?”.