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“Code was never the hard part” is an insult to all programmers
The software development profession is in the midst of upheaval. Nobody knows how the AI revolution will play out in the end, but it is c...
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The latest blog posts to take off on Hacker News. 21,813 posts.
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Super Mario Derivations
One of the most surprising aspects of the Nix language is that it is lazy, especially if you have never used a lazy language before. This laziness is what makes much of Nixpkgs possible, and its complexity.
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App Store Rejection of the Week: Dark Hours
My disdain for astrology is so utter, and my esteem for Godier’s previous work so high, that it simply never occurred to me that he might have actually made and submitted to the App Store an astrology app, let alone that he’d then feign surprise and frustration that an astrology app was rejected for being an astrology…
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Software development with AI is starting to feel like cooking steak
Why AI can make software development faster without replacing the judgment and understanding needed to build consistently good software.
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A shell exclamation mark is not for yelling. Be lazy
Event designators have been hiding in not-so-plain-sight since the late 1970s — so powerful that forgetting might be part of a massive conspiracy to wear out developer keyboards faster than otherwise.
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Faster floating point math with Rust's new API
Compilers have a hard time optimizing floating point math. Rust has a new API to fix this.
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What I love about Django
The best parts of Django are the ones you stop noticing — a tour of the abstractions that have given Buttondown the most leverage over the years.
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Prime Agent: A self-improving RLM agent
Prime Agent is our open-source, self-improving coding harness built around two abstractions: the Recursive Language Model (RLM) and the Continual Harness. With Opus 5, it achieves 95.5% on ARC-AGI-3, surpassing the reported human expert baseline.
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Muse Code and Muse Spark 1.2
Introducing Muse Code, a terminal coding agent powered by Muse Spark 1.2, with persistent background agents, repository-scale execution, and built-in verification.
400
The Valley of Webhooks
I've built the same webhook consumer three times at three companies. The fourth time, I want a better primitive.
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Building an Advanced Agentic Harness
From a single pilot to an air campaign: planning, parallelism, memory, verification, and observability for production-shaped agents.
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Rust-lang/rust is adopting an LLM policy
Want to follow along with Rust development? Curious how you might get involved? Take a look!
403
Pi's Minimalism Is Its Advantage
How Pi's minimal harness improves coding-agent cost and performance, with examples from Databricks and Shopify's pi-autoresearch extension.
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Gödel, Escher, Elisp: The Beauty of Macros
If you are an Emacs user with a keen eye, you will have noticed that in Emacs Lisp, code is data. After all, 'Lisp' is shorthand for 'List Processing'. One of E...
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How to Make a Nintendo 64 Game in 2026
Two years ago, I was Porting my JavaScript Game Engine to C for No Reason . I have since found a reason: making a new N64 game!
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What's the largest software project AI can complete on its own?
MirrorCode is Epoch AI's benchmark for long-horizon coding: AI can reimplement entire programs end-to-end, with no access to the original source code.
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Twenty Years of Pandoc
A universal document converter
410
SQLite Critical CVEs or LLM Slop?
The JFrog security research team recently identified a supply chain attack targeting the `xinference` package on PyPI. Versions 2.6.0, 2.6.1, and 2.6.2 were compromised and yanked by maintainers after users reported suspicious behavior. If you installed or imported these versions, you must assume your environment is…
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Prevent cognitive debt by manually retyping LLM-generated code
Despite what I said in April , I'm still using coding assistants on my personal projects.
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Branchless Rust: Making a Filter 4x Faster by Removing an If
Why a filter is slowest when it keeps half of random input, and what a branchless rewrite gains there and loses at 1%.
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Qwen3.8-Max: A New Bar for Coding and Cowork
Qwen offers comprehensive functionality spanning chatbot, image and video understanding, image generation, document processing, web search integration, tool utilization, and artifacts.
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SwiftUI After 7 Years
Back in 2019, SwiftUI was announced as the future of Apple development. Seven years later, it still feels like a beta version struggling with stability, performance, and many other aspects. What’s actually wrong with SwiftUI?
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Rust All Hands 2026 Retrospective
Want to follow along with Rust development? Curious how you might get involved? Take a look!
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I don't recommend Tailwind CSS
Tailwind CSS is a very popular CSS framework among web developers. With no prior graphic design knowledge, it solves the standardization of spacing…
417
Go 1.27 Interactive Tour
An interactive tour of what’s new in Go 1.27: every notable language, runtime, and standard library change, with short runnable examples you can edit and run in the browser.
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Postmortem for Kernel Soundness Bug #14576
Leonardo de Moura — Creator of Lean and Z3
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Dates That Don't Exist (2015)
In 1582, under the inter gravissimas papal bull, the Catholic world transitioned from the Julian Calendar to the Gregorian Calendar . This new calendar shortened the length of the year from 365.25 days to 365.2425 , a reduction of just 0.002% .
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Building a local positioning system to track runners using Ultra-Wideband
An open-source multi-tag fully local UWB positioning system.