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New
The latest blog posts to take off on Hacker News. 1,748 posts.
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Graphite is joining Cursor
Graphite has entered into a definitive agreement to be acquired by Cursor.
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Making a game on a custom bytecode VM in 7 days and 3kB
Laurent Le Brun's blog
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GotaTun – Mullvad's WireGuard Implementation in Rust
GotaTun is a WireGuard® implementation written in Rust aimed at being fast, efficient and reliable.
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Rust's Block Pattern
Here’s a little idiom that I haven’t really seen discussed anywhere, that I think makes Rust code much cleaner and more robust.
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Two kinds of vibe coding
Back in 2009 I posted a simple Mandelbrot fractal viewer on the web: a single HTML file with inline Javascript. Just 329 lines of code, each pixel a tiny table cell. Click to zoom. Watch it iterate. That was about it!
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A faster path to container images in Bazel
rules_img is a Bazel ruleset for building and publishing OCI images that feel native to Bazel by treating images as metadata first and moving bytes only at the edges.
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T5Gemma 2: The next generation of encoder-decoder models
T5Gemma 2 is the next evolution of our encoder-decoder family based on Gemma 3.
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FunctionGemma 270M Model
FunctionGemma is a specialized version of our Gemma 3 270M model fine-tuned for function calling.
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GPT-5.2-Codex
GPT-5.2-Codex is OpenAI’s most advanced coding model, offering long-horizon reasoning, large-scale code transformations, and enhanced cybersecurity capabilities.
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Using TypeScript to obtain one of the rarest license plates
Using TypeScript and some DMV API digging, I chased down and claimed one of the rarest available license plate combinations.
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Your job is to deliver code you have proven to work
In all of the debates about the value of AI-assistance in software development there’s one depressing anecdote that I keep on seeing: the junior engineer, empowered by some class of …
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AI helps ship faster but it produces 1.7× more bugs
We analyzed 470 open-source GitHub pull requests, using CodeRabbit’s structured issue taxonomy and found that AI generated code creates 1.7x more issues.
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Fifty problems with standard web APIs in 2025
Recently, I made a free game . It's a little mystery investigation game which I was inspired to write after enjoying games like Case of the Golden Idol , Roottrees are Dead , and Return of the Obra Dinn . I thought my UX ideas were pretty simple, so I decided to implement it in HTML5 .
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OBS Studio Gets a New Renderer
Starting with OBS Studio 32.0.0 a new renderer backend based on Apple's Metal graphics API is available for users to test as an experimental alternative to the existing OpenGL …
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Log level 'error' should mean that something needs to be fixed
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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TLA+ Modeling Tips
Model minimalistically Start from a tiny core, and always keep a working model as you extend. Your default should be omission. Add a compone...
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Introduction to Software Development Tooling (2024)
Learn the command line, version control, build systems, and correctness in NEU’s CS 4973: ISDT.
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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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I program on the subway
Ever since moving to New York City, I've found my time to be in more demand than ever. Between work, meetups, and social events, I have noticeably less time for side projects than I had before moving here. At the same time, my commute is a massive time suck. It's 30 minutes each way, which doesn't sound that bad, but…
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Chat-tails: Throwback terminal chat, built on Tailscale
Brian Scott made an app that's safe, simple, and educational for kids to chat in, using Tailscale's tsnet and connectivity.
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AI will make formal verification go mainstream
Much has been said about the effects that AI will have on software development, but there is an angle I haven’t seen talked about: I believe that AI will bring formal verification, which for decades has been a bit of a fringe pursuit, into the software engineering mainstream.
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Announcing the Beta release of ty
ty is an extremely fast Python type checker and language server, written in Rust, and designed as an alternative to mypy, Pyright, and Pylance.
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No Graphics API
A deep dive into graphics APIs, shader languages and GPU architecture, exploring a simpler design for modern hardware. By Sebastian Aaltonen.
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Prompt caching for cheaper LLM tokens
A far more detailed explanation of prompt caching than anyone asked for: how tokens, embeddings, and attention make cached LLM tokens 10x cheaper and faster.
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Writing a blatant Telegram clone using Qt, QML and Rust. And C++
This was a fun project for a couple of days, but I will probably shelve it for now so I can continue what I was already working on before. Read on to follow along with my journey. Spoilers: I didn’t get very far.
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Rust GCC backend: Why and how
Blog of Guillaume Gomez (Rust GCC backend: Why and how)
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Let's write a toy UI library
We begin by writing a few helper functions that will invariably prove useful to us later. We will be dealing with a lot of rectangular regions on the screen, so it makes sense to start by defining a rectangle structure and write some code to manipulate it.
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A kernel bug froze my machine: Debugging an async-profiler deadlock
How I investigated and worked around a kernel bug that caused async-profiler to freeze my machine whenever I tried to use a profiler.