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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…
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The latest blog posts to take off on Hacker News. 7,293 posts.
212
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.
213
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.
215
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.
216
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.
217
British Columbia, Time Zones, and Postgres
This year, British Column has moved to year-round Pacific Time. How does that affect date data?
218
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...
219
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.
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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.
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Making ast.walk 220x Faster
Why ast.walk when you can ast.sprint? How we made Python AST traversal 220x faster while building a custom linter for Reflex's AI code generation.
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SubQ 1.1 Small
Subquadratic is a frontier AI research and infrastructure company building a new class of LLMs.
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To study how chips work, MIT researchers built their own operating system
The new "Fractal" operating system kernel, developed at MIT, gives researchers a clearer look at how computer chips work internally. It was used to study the branch predictors inside Apple's M1 processor, where it revealed a potential vulnerability to major speculative attacks.
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21 years and counting of 'eight fallacies of distributed computing' (2025)
Eight long held and common beliefs about the network have been shown, time after time, to be false. What are they, and what do they mean?
226
Perlisisms (1982)
2. Functions delay binding; data structures induce binding. Moral: Structure data late in the programming process.
227
Formal methods and the future of programming
I’ve been telling people for the last 25 years that Jane Street as an organization was just not interested in formal methods.
228
Phoenix LiveView 1.2
LiveView 1.2 is a small release that adds support for colocating CSS.
229
Swift at Apple: Migrating the TrueType hinting interpreter
TrueType is a widely used vector font standard for rendering text in web pages, PDFs, operating systems, and applications. Familiar fonts like Helvetica, Garamond, and Monaco are all built on TrueType outlines. The format specifies a hinting interpreter intended to help outlines rasterize faithfully on low-resolution…
230
WASI 0.3
WASI 0.3 is official, and async is now native to WebAssembly Components. The WASI Subgroup voted to ratify WASI 0.3.0, rebasing WASI onto the WebAssembly Component Model’s async primitives. The 0.3.0 specification is now stable, and runt...
231
Formal Methods and the Future of Programming
I’ve been telling people for the last 25 years that Jane Street as an organization was just not interested in formal methods.
232
The only scalable delete in Postgres is DROP TABLE
Large DELETEs add work instead of reclaiming it. Structure your database so deletion becomes DROP TABLE or TRUNCATE.
233
Software is made between commits
From the Zed Blog: Agents turned the conversation into the real source of our software. DeltaDB is the version control built for it.
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Claude Fable 5: mid-tier results on coding tasks
We benchmarked Claude Fable 5 on 200 real-world coding tasks for the Agent Security League.
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Cohere's First Model for Developers
Meet North Mini Code, Cohere's first open-source agentic coding model: a 30B MoE that codes strongly on minimal hardware.
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DiffusionGemma: 4x Faster Text Generation
An overview of DiffusionGemma, an exceptionally fast text generation model with up to 4x faster speeds.
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Upcoming breaking changes for npm v12
Our next npm major version, v12, introduces security-related default changes to npm install. All these changes are available behind warnings in npm today on 11.16.0 or newer, so you can…
238
Grit: Rewriting Git in Rust with agents
We used agents to port all of Git to library-first, memory-safe Rust and it passes the entire C Git test suite.
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Biff.core: system composition for Clojure web apps
System composition and other interfaces for Biff projects
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Pyodide 314.0: Python packages can now publish WebAssembly wheels to PyPI
We are pleased to announce the Pyodide 314.0 release. This release focuses on standardization and packaging, marking a significant milestone in the Python-in-the-browser ecosystem. PEP 783 is Accepted: What Does It Mean? The acceptance of PEP 783: Emscripten packaging marks perhaps the most exciting change in the…