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ClojureScript Gets Async/Await
We’re happy to announce a new release of ClojureScript. If you’re an existing user of ClojureScript please read over the following release notes carefully.
New
The latest blog posts to take off on Hacker News. 1,421 posts.
842
Natural Language Autoencoders: Turning Claude's Thoughts into Text
AI models like Claude talk in words but think in numbers. In this study, we train Claude to translate its thoughts into human-readable text.
843
Agents need control flow, not more prompts
Thesis: reliable agents tackling complex tasks need deterministic control flow encoded in software, not increasingly elaborate prompt chains If you’ve eve...
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AlphaEvolve: Gemini-powered coding agent scaling impact across fields
Discover how AlphaEvolve optimizes algorithms for genomics, quantum physics, global infrastructure, and more to accelerate scientific progress and solve real-world challenges.
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Making your own programming language is easier than you think (but also harder)
In mid-December last year I started making my own programming language. It's waaay far from any production quality yet (though I did manage to write a working 1k LOC Monte-Carlo path tracer in it), but the project is on pause right now, so I figured it's a good time to write something about it.
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Idempotency is easy until the second request is different
Idempotency is not just an HTTP header or a key lookup. This article covers the failure cases that bite real APIs: different requests with the same key, concurrent retries, partial success, downstream uncertainty, response replay, expiry, and duplicate message handling.
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Mythical Man Month
a bliki entry for Mythical Man Month
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Programming Still Sucks
Sorry Peter. — I'm at a birthday party, and while most people here also work in tech, there's always a Guy with a Real Job. You know, a physical job, building some or other thing people need. And this Guy always asks some variant of the same question: aren't you worried AI is taking your job? I glance around and see a…
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I'm writing a history of Visual Basic, Chapter 1 is up
Starting a long-form history of Visual Basic on EvilGeniusLabs.ca. Chapter 1 covers the BASIC dynasty Microsoft had been running since 1975, the California developer Microsoft bought to put a face on it, and the launch pitch Bill Gates seeded in BYTE Magazine eighteen months before VB shipped. Six articles, focused on…
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From Supabase to Clerk to Better Auth
The perils of logging in
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Vibe coding and agentic engineering are getting closer than I'd like
I recently talked with Joseph Ruscio about AI coding tools for Heavybit’s High Leverage podcast: Ep. #9, The AI Coding Paradigm Shift with Simon Willison. Here are some of my …
852
OurCar: What I learned making an app for my family
An adventure in making a utility
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The vi family
The last text editor you’ll ever need to learn.
854
Reverse-engineering the 1998 Ultima Online demo server
After 10 years of on-and-off work, I’m releasing a full reverse-engineering of the 1998 Ultima Online demo server: https://github.com/draxinar/ouo . About 5,000 functions disassembled from MSVC x86 and translated into portable C99, with each function compared instruction-by-instruction against the binary.
855
Accelerating Gemma 4: faster inference with multi-token prediction drafters
An overview of how Multi-Token Prediction (MTP) drafters are making Gemma 4 models up to 3x faster at inference.
856
Async Rust never left the MVP state
I've previously explained async bloat and some work-arounds for it, but would much prefer to solve the issue at the root, in the compiler. I've submitted a Project Goal, and am looking for help to fund the effort.
857
Lessons for Agentic Coding: What should we do when code is cheap?
Ten lessons for coding with agents, from implementing to learn to remembering that code is cheap but maintenance and security aren’t.
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Hand Drawn QR Codes (2025)
I really like QR codes. Recently I purchased a new sticky-note-like pad from a new local stationery store in Minneapolis. The sheets have a 10x10 grid and 2x10 grid. I knew what I wanted to...
859
Agent Skills
AI coding agents take the shortest path to done, which usually means skipping the specs, tests, and reviews that make software reliable at scale. Agent Skill...
860
Formatting a 25M-line codebase overnight
This is the story of how our Developer Productivity team extended and rolled out rubyfmt, our Rust-based zero-config, ultra-fast autoformatter across the world's largest Ruby codebase.
861
I am worried about Bun
Bun is excellent software. Anthropic owns it now, Bun sits under Claude Code, and Claude Code getting worse makes me worried Bun could follow the same enshittification path.
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The bottleneck was never the code
The other month I finally ran an experiment we had been postponing for over a year at .txt.
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The 'Hidden' Costs of Great Abstractions
In the world of computing, we tend to abstract away complexity. Doing so seems liberating. It enables us to focus on the bigger picture. Unfortunately, in doing so, the fidelity of our understanding often decreases. We sometimes end up blinding ourselves.
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Agentic Coding Is a Trap
Remaining vigilant about cognitive debt and atrophy.
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LLMs Are Not a Higher Level of Abstraction
" A picture is worth 10K words - but only those to describe the picture. Hardly any sets of 10K words can be adequately described with pictures."
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Windows API is Successful Cross-Platform API (2024)
You might find the title a little bit odd. Hold your thought for a moment and hear me out. I'm a big believer that in technology, and life, something that…
869
A couple million lines of Haskell: Production engineering at Mercury
What it takes to run 2 million lines of Haskell in production at a fintech company serving 300,000 businesses.
870
The agent harness belongs outside the sandbox
Two architectures for running agent harnesses, the tradeoffs between them, and how we make skills and memories work when the harness isn't local.