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Rust's derive often implies inline
In Rust, one of the most common ways to implement core traits (like Debug , Display , and Clone ) is to #[derive(...)] them, e.g.:
New
The latest blog posts to take off on Hacker News. 1,420 posts.
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We ported the original Doom to SQL
CedarDB is a database system that delivers unmatched performance for transactions and analytics, from small writes to handling billions of rows. Built on cutting-edge research to power today’s tools and tomorrow’s challenges.
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We want you to build the next Git platform on Cloudflare
Cloudflare is hosting a competition to see who will build the next Git platform for an era of AI agents. Artifacts is in open beta, with Workers bindings, data jurisdiction controls, and event subscriptions for repository changes.
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Getting the most out of Opus 5.5 in Claude and Claude Code
How to prompt Opus 5.5, steer a long run, and check your results in Claude apps and Claude Code.
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Zig v0.17.0
Zig is a general-purpose programming language and toolchain for maintaining robust , optimal , and reusable software.
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Make Tmux the OS
I recently watched the talk by Scott Jenson titled "Are we really going to use the same Desktop UX forever?" https://www.youtube.com/watch?v=V7AfAcQwLW0&t=445s. He's a great presenter, really articulate and concise. The kind of speaker that you'd gladly listen to for 3+
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One month coding with GLM 5.3 Flash
Reporting on 2B tokens of AI usage and what shapes model selection and cost
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The Four Horsemen of Agentic Coding
Slop, Alienation, Deskilling, and Team Fallout
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Pi 1.0
Today we are shipping Pi 1.0, a hardened, minimal, extensible agent harness, alongside Pi Durable, a new experimental substrate for long-running agentic applications.
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Pi Durable
Pi Durable is a new experimental package for long-running, durable, and malleable agents that can run anywhere. A tour of what we built and why.
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Anatomy of a Lean proof for software engineers
Intro I recently worked through a problem from a theory of computation textbook that asked me to prove a property of a language using finite automata. The informal proof is a simple constructive proof where you build an automaton and show that it recognizes the language. This is kind of similar to program…
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Bez: Generating a browser engine from specs and tests
Repository bez by burrito.space on Tangled.
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Git 3.0's upcoming SHA-256 default will be a costly mistake
Git 3.0 will make SHA-256 the new default content hashing algorithm and it will be an incomprehensibly expensive and ultimately valueless and avoidable global nightmare.
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How to speed up the Rust compiler in September 2026
My last post on the Rust compiler’s performance was two months ago and a lot has happened since then.
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Differences Between `Foldl` and `Foldr`
`foldl` and `foldr` can be confusing, so let's work out what's up
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Dear Software Makers
Marques Brownlee just released a video essay titled “Dear YouTube” . I loved it. He talks about how YouTube is going to start shipping this new feature where…
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Commit description as a thinking tool
Before the AI era, I wrote pretty long commit descriptions (or commit bodies) for major changes. It took me about five to ten minutes to draft and reread them to make sure I didn’t miss anything important. I did that for several reasons.
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What TLA+ can and can't check
Let's chill just a little bit on the "TLA+ will save AI from itself" narrative
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You said no MCP
Pi now supports MCP. Why we changed our minds, what changed in MCP and in Pi, and what Codemode is.
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Needed 1+1, built a functional programming language
A deep dive into converting a simple arithmetic expression into a binary tree, leading to a custom language in C.
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Using any C++ library in Godot
How Godot's GDExtension system and the godot-cpp bindings work, and how to use Conan to bring C and C++ libraries into a Godot game, with a flecs example that simulates 100,000 particles.
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Solving Factorio Quality
I play Factorio the normal way: by writing matrix math code to plan the factory.
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The problem is not AI code, but not knowing about system architecture or intent
If we think writing code is dead, and AI is generating all codebases, I still think the bigger problem is people or full teams not knowing anything anymore about the system...
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A Staff Engineer's Guide to Inventing Work
A how-to manual for engineer-led discovery in software platforms
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Coding is not solved
Tell me you don’t understand software without literally using those words!!!
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Systems that no one will test
(this post figured on HNews here) This happened to me in 2020, and it has been on my mind again lately. During the worst of the pandemic, I found a vulnerability in a system that gave me access to the Brazilian federal system, and with that access I was able to retrieve information on any
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What I did at Recurse Center
I spent the summer at Recurse Center, a programming retreat in Brooklyn, at the recommendation of my friend Cory. These are some things I did there.
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Don't couple your Go code to GitHub
The technical musings of Iain Cambridge.
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Software occlusion culling in Block Game
My GPU is the integrated Radeon Vega 8 that comes with my AMD Ryzen 7 5700G CPU. I tell you this so you know that my workstation is not a graphical computing powerhouse. It is, in fact, quite weak. To its credit my integrated GPU shows up as 48% faster on UserBenchmark than the GPU in my low end hardware target; a…