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You can now disable all AI features in Zed
From the Zed Blog: If you don’t want AI in your workflow, it won’t be there.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 155 posts.
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We should all be using dependency cooldowns
See cooldowns.dev for up-to-date information on cooldown adoption across various languages and package ecosystems.
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Futurelock: A subtle risk in async Rust
This RFD describes futurelock : a type of deadlock where a resource owned by Future A is required for another Future B to proceed, while the Task responsible for both Futures is no longer polling A . Futurelock is a particularly subtle risk in writing asynchronous Rust.
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Persona vectors: Monitoring and controlling character traits in language models
A paper from Anthropic describing persona vectors and their applications to monitoring and controlling model behavior.
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I ported JustHTML from Python to JavaScript with Codex CLI and GPT-5.2 in hours
I wrote about JustHTML yesterday—Emil Stenström’s project to build a new standards compliant HTML5 parser in pure Python code using coding agents running against the comprehensive html5lib-tests testing library. Last …
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Recursive Language Models (RLMs)
We explore language models that recursively call themselves or other LLMs before providing a final answer. The aim is essentially unbounded context, and a way through context rot.
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How a 20 year old bug in GTA San Andreas surfaced in Windows 11 24H2
After over two decades, players are now forbidden from flying a seaplane, all thanks to undefined code behavior.
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You should write an agent
They're like riding a bike: easy, and you don't get it until you try.
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Helping Valve to power up Steam devices
Igalia is an open source consulting firm specialised in the development of innovative projects and solutions. Our engineers have expertise in a wide range of technological areas, including browsers and client-side web technologies, graphics pipeline, compilers and virtual machines. We have the most WPE, WebKit…
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Aspects of modern HTML/CSS you may not be familiar with
An overview of what makes modern CSS so awesome.
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Cerebras Code
We are launching two new plans designed to make AI coding faster and more accessible: Cerebras Code Pro ($50/month) and Code Max ($200/month). Both plans give you access to Qwen3-Coder , the world’s leading open-weight coding model—running at speeds of up to 2,000 tokens per second , with a 131k-token context window …
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Behind the scenes of Bun Install
Learn how Bun is able to cut install times by up to 25×. Bun skips Node.js's overhead with direct system calls, cache-friendly data layouts, OS-level copy-on-write, and full-core parallelism.
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Vibing a non-trivial Ghostty feature
I recently shipped a non-trivial Ghostty feature (unobtrusive macOS automatic updates) that was largely developed with AI.
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D2: Diagram Scripting Language
D2 is a diagram scripting language that turns text to diagrams. It stands for
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Performance Improvements in .NET 10
Take a tour through hundreds of performance improvements in .NET 10.
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Past, present, and future of Sorbet type syntax
A discussion of how Sorbet's type syntax came to be, the problems it solves, and how it could improve.
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Pretty State Machine Patterns in Rust (2016)
A computer scientist working in open source towards a more hopeful future.
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There's Math.random(), and then there's Math.random() (2015)
V8’s Math.random implementation now uses an algorithm called xorshift128+, improving the randomness compared to the old MWC1616 implementation.
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Gemini CLI
Free and open source, Gemini CLI brings Gemini directly into developers’ terminals — with unmatched access for individuals.
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PYX: The next step in Python packaging
pyx is a Python-native package registry from the creators of uv.
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Devstral
The most powerful AI platform for enterprises. Customize, fine-tune, and deploy AI assistants, autonomous agents, and multimodal AI with open models.
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Performance of the Python 3.14 tail-call interpreter
A deep dive into the performance of Python 3.14's tail-call interpreter: How the performance results were confounded by an LLVM regression, the surprising complexity of compiling interpreter loops, and some reflections on performance work, software engineering, and optimizing compilers.
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How Core Git Developers Configure Git
What `git config` settings should be defaults by now? Here are some settings that even the core developers change.
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Things Zig comptime won't do
Es el disco de Odín. Tiene un solo lado. En la tierra no hay otra cosa que tenga un solo lado.
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GitHub Actions has a package manager, and it might be the worst
GitHub Actions has a package manager that ignores decades of supply chain security best practices: no lockfile, no integrity verification, no transitive pinning
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PyTorch Internals: Ezyang's Blog
This post is a long form essay version of a talk about PyTorch internals, that I gave at the PyTorch NYC meetup on May 14, 2019.
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GPT-5-Codex
Codex just got faster, more reliable, and better at real-time collaboration and tackling tasks independently anywhere you develop—whether via the terminal, IDE, web, or even your phone.