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IPv6 zones in URLs are a mistake
Run away while you still can, it's not too late for you to avoid the curse of knowledge.
New
The latest blog posts to take off on Hacker News. 21,815 posts.
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"Maybe later" was a feature
The most valueble code in my repo, is the code I didn't write.
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OCaml Onboarding: Introduction to the Dune build system
Welcome to all Camleers We are back with another practical walkthrough for the newcomers of the OCaml ecosystem. We understand from the feedback we have gathered over the years that getting started with the OCaml Distribution can sometimes be perceived as challenging at first. That's why we keep it ...
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My Agent Skill for Test-Driven Development
AI agents tend to be, at least as of this writing (May 2026), lousy at writing tests. The tests they write are often vague, cryptic, overcomplicated, hacky, dis...
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Journey to JPEG XL: open-source experiments shaped the future of image coding
Explore how a decade of open source experiments in psychovisual modeling and compression led to JPEG XL, the future of image coding.
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My Software North Star
Loris Cro's Blog
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How LLMs work
A from-the-ground-up walkthrough of how modern LLMs work, from tokens to transformer blocks to the next-token loop
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Elixir v1.20: Now a gradually typed language
From Elixir v1.20, every program is now gradually type checked in search for verified bugs and typing violations.
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Angular v22
Today, we are thrilled to announce the release of Angular v22. We continue to be proud of the work we do with each release. Our goal is to…
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Every Byte Matters
I have spent a large portion of my career working in Java. In that time, you get used to huge classes. New functionality? Just add a new method and field to the class. The cost of each new field is rarely considered. Performance is often considered from a classic computer science perspective by considering asymptotic…
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Redis 8.8: New array data structure, rate limiter, performance improvements
Redis 8.8 is now available in Open Source. Explore the new array data type, window counter rate limiter, streams NACK, and more performance-focused updates.
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It is an amazing time for programmers
Many legends of software development, like John Carmack or Chris Lattner, are very approachable. Check out their projects and go talk to them!
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databow: a Rust CLI to query any database with an ADBC driver
One command-line tool to query them all, built with Rust and ADBC
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Gleam v1.17.0
News post: Gleam v1.17.0 released!
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Branchless Quicksort faster than std:sort and pdqsort with C and C++ API
Performance results naturally depend on the underlying hardware. The following benchmarks show the execution times for sorting 50 million doubles using different sorting implementations. The measurements were taken on an Apple M1 system using Clang and on an AMD Ryzen 3 Linux system using GCC , both compiled with the…
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QBE – Compiler Backend – 1.3
QBE 1.3 took a while to cook, but it is the most significant release since 1.0 with around 7k new lines of code and 1.5k deleted ones. In addition to the usual bug fixes, QBE gained a new and original IL matching algorithm, new optimizations from Roland Paterson-Jones, Scott Graham added support for the Windows ABI…
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1-Click GitHub Token Stealing via a VSCode Bug
My blog, mostly about programming
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Preparing for KDE Plasma's Last X11-Supported Release
When we first announced the transition to Plasma Wayland, one of Martin's slides from stated, "It's done when it's done!"
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Apple rejected my dictation app for using the accessibility API
Apple rejected WhisperPad under Guideline 2.4.5 for using the accessibility API to paste transcribed text. After an appeal that ended in another rejection, I split it into two versions — a compliant one on the App Store, and the original auto-paste version, direct.
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Why Janet? (2023)
I never thought it could happen to me. I mean, parentheses? In this day and age? But for the past couple years, my go-to programming language for fun side projects has been a little Lisp dialect called Janet. (print "hey janet") I like Janet so much that I wrote an entire book about it, and put it on The Internet for…
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Strace-ui, Bonsai_term, and the TUI renaissance
We’ve always found strace useful but somewhat hard to work with. Its output is often inscrutable, it’s hard to follow subprocesses or threads, and if you wan...
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Should you normalize RGB values by 255 or 256?
Let’s say you’re writing an image processing program. The program takes in an image, converts it to floating point, does some processing and finally saves the modified pixels to disk as 8-bit colors. The question today concerns how exactly the integer-to-float conversion should be done. There are two approaches which…
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Patching my guitar amp's firmware
I’m having a lot of fun with reverse engineering lately, so when I was looking over the service manual for my guitar amp, a Yamaha THR10c, and saw references to a UART header in the schematic, I got excited. I wondered if anything cool was hiding in there. Next to it was a JTAG header. I knew next to nothing about…
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Learn SQL Once, Use It for 30 Years
The Only Programming Language Built on Mathematics, Not Fashion
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Claude Code and Codex can have real-time conversation via Git
While Claude Code and Codex have significantly accelerated the automation of software development, limitations in the context window of a…
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Backpressure is all you need
Hot takes and cold truths on software, startups, and the lies we tell ourselves.