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We found a bug in the hyper HTTP library
By rearchitecting the Images binding, we accidentally uncovered a bug that existed in the open-source hyper library across multiple major versions.
New
The latest blog posts to take off on Hacker News. 1,421 posts.
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I rewrote PostHog's SQL parser, 70x faster, while barely looking at the code
After the success of using agents to improve query performance through autoresearch , I wanted to try something more ambitious. I rewrote PostHog's…
603
NUMA: Cores, memory, and the distance between them
Why two identical VMs on the same host can perform 20% differently — and what NUMA topology in Xen-based virtualization actually costs you.
604
PR spam today looks like email spam in the early 2000s
OpenClaw became the fastest-growing repo in GitHub history almost overnight. The PR data offers a preview of what the future of open source contribution may look like.
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Swift Package Index joins Apple
Swift Package Index is now part of Apple. Here's what that means.
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I built a GPU back end for Emacs
A few months ago I became obsessed with a silly question: why does my Emacs, on a laptop with a perfectly capable GPU, draw all of its text using the…
607
The new HTTP QUERY method explained
In this blog post, we take a deep dive into the new HTTP QUERY method, explaining the history behind it as well as the advantages and disadvantages of using it.
608
An Introduction to YOLO26
What YOLO26 is: NMS-free, edge-optimized YOLO with 43% faster CPU inference, benchmarks by size, licensing, and how it compares to RF-DETR.
609
Bipartite Matching Is in NC
Since I’m a good mood today—at a beautiful science camp with my kids, high in the mountains near Big Bear Lake in California—I thought I’d blog about something positive. Las…
610
ytr: YouTube Radio for Emacs
I've been a happy ready-player user for some time now. I consider the Emacs package fairly feature-complete, for my needs anyway. Well almost. While I...
611
British Columbia, Time Zones, and Postgres
This year, British Column has moved to year-round Pacific Time. How does that affect date data?
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Rhombus Language 1.0
Rhombus version 1.0 is now available! Install: https://rhombus-lang.org/download.html More information: https://rhombus-lang.org/ Why a new language? https://rhombus-lang.org/goal.html (copied below) Frequently Asked Questions: https...
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Inventing the Future, One Lisp Machine at a Time
On the March 10, 2025 episode of Do You Speak Tech?, I sat down with two names woven into the early fabric of modern computing: Larry Masinter and Frank
614
The text in Claude Code’s “Extended Thinking” output
Claude Code records each session to disk. Those logs include “thinking blocks” — the model’s own reasoning as it works.
615
Statistics that live in your SQL
A tour of the-stats-duck v0.6.0: a one-shot data profiler, regression and bootstrap CIs in plain SQL, ten new distributions, and SAS/XPT imports that got 52x faster — with live Bedevere demos you can poke at.
616
window.showDirectoryPicker opens up a whole new world
Chrome introduced a new API, window.showDirectoryPicker() that allows the user to grant access to a directory on their computer and allow a website to read/write everything inside.
617
Good results fine tuning a local LLM like Qwen 3:0.6B to categorize questions
<p>As a fun personal project, I have been working on a chatbot for answering general questions about my household on anything from maintenance questions to doctor’s appointments. </p> <p> The general idea is that the chatbot will get its household knowledge through RAG from querying a vector database, but for better…
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Building reliable agentic AI systems
AI helping pharmaceutical researchers query decades of information buried in PDF reports
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When I reject AI code even if it works
AI can make implementation cheap while making review and judgment more expensive.
620
DOS Game "F-15 Strike Eagle II" reversing project needs DOS test pilots
(This post is part of a series on the subject of my hobby project, which is recreating the C source code for the 1989 game F-15 Strike Eagle II by reverse engineering the original binaries.)
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I Stored a Website in a Favicon
Words from me as developer, student and human.
622
A Practical Guide to SSH Tunnels: Local and Remote Port Forwarding
SSH port forwarding explained in a clean and visual way. How to use local and remote port forwarding. What sshd settings may need to be adjusted. How to memorize the right flags.
623
Efficient C++ Programming for Modern 64-bit CPUs: Chapter 4/part 2
The cost of thread context switch, including cache invalidation, can reach up to 3 million CPU cycles RTTI can be quite expensive, with dynamic_cast being up...
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I can haz smoller NixOS ISOs?
In which I painstakingly remove functionality from a Linux live image. Like a normal person.
626
Pull request limits are cutting down the noise
Learn how pull request limits can help manage contribution volume in your repositories, and see what’s next on the roadmap.
627
Datasette Apps: Host custom HTML applications inside Datasette
Today we launched a new plugin for Datasette, datasette-apps, with this launch announcement post on the Datasette project blog. That post has the what, but I’m going to expand on …
628
The Token Compression Illusion: Why I'm Skeptical of RTK
RTK promises dramatic token savings for coding agents, but raw terminal compression is not the same as cheaper, safer, or more accurate software engineering.
629
Migrating from GNU Stow to Chezmoi
Why I swapped GNU stow's symlink farm for chezmoi: one command to bootstrap a Mac with Homebrew packages and macOS settings, a small daily sync loop, and agent skills shared between Claude Code and Codex.
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