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Electricity use of AI coding agents
Most of the discourse about the environmental impact of LLM use focuses on a ‘median query.’ What about a Claude Code session?
New
The latest blog posts to take off on Hacker News. 49,191 posts.
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Internet Archive's Storage
Internet Archive Staff Bruce Li introduces his The Long Now of the Web: Inside the Internet Archive’s Fight Against Forgetting thus: Thi...
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The hidden engineering of runways
[Note that this article is a transcript of the video embedded above.] September 2025 was an unusually bad month for runway overruns in the US. On the night of September 24th, an Embraer 145 with 53 people on board landed long at the Roanoke-Blacksburg Regional Airport in Virginia, overshooting the
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I built a 2x faster lexer, then discovered I/O was the real bottleneck
Archiving 104K files into tar.gz reduced I/O time by 43x and total processing time by 2.3x. The bottleneck was not disk speed, it was syscall overhead.
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Nvidia Stock Crash Prediction
One of the questions of the 2026 acx prediction contest is whether Nvidia’s stock price will close below $100 on any day in 2026. At the time of writing, it trades at $184 and a bit, so going down to $100 would be a near halving of the stock value of the highest valued company in the world.
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Unconventional PostgreSQL Optimizations
Creative ideas for speeding up queries in PostgreSQL
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IP Addresses Through 2025
It's time for another annual roundup from the world of IP addresses. Let’s see what has changed in the past 12 months in addressing the Internet and look at how IP address allocation information can inform us of the changing nature of the network itself.
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Snow Simulation Toy
One of the first significant things I ever coded in QBasic was a falling snow simulation- I think they're very soothing to watch, fun to customize, and there's lots of possibilities for extra little delight. Here's one I built on idle afternoons over the holidays this year at my parents. Enjoy!
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Running Claude Code dangerously (safely)
How to run Claude Code with the `--dangerously-skip-permissions` flag in a safe way
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Guix for Development
This wonderful article by Marius Bakke (thanks for using Haunt btw!) about guix shell hit the orange website front page recently. I left a comment to the effect of “hell yeah I use it for all my projects!” and someone asked me for an example of what I do. I sent them some links but I thought hey, this could be a blog…
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I'm addicted to being useful
When I get together with my friends in the industry, I feel a little guilty about how much I love my job. This is a tough time to be a software engineer. The…
3492
The Overcomplexity of the Shadcn Radio Button
Radio buttons are built into web browsers. Why are we using a UI library that wraps another UI library that rebuilds radio buttons from scratch? Why does rendering a radio button require multiple dependencies and several kilobytes of JavaScript? How did we make a built-in browser control so complicated?
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Giving university exams in the age of chatbots
Giving University Exams in the Age of Chatbots par Ploum - Lionel Dricot.
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Go 1.26 Interactive Tour
New with expressions, type-safe error checking, and faster everything.
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Scaling long-running autonomous coding
Wilson Lin at Cursor has been doing some experiments to see how far you can push a large fleet of "autonomous" coding agents: This post describes what we've learned from …
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3D printing my laptop ergonomic setup
Apparently, one of my hobbies is making updates to my ergonomic setup, then blogging about it from an Amtrak train. I've gone and done it again.
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Floating-Point Printing and Parsing Can Be Simple and Fast
A floating point number f has the form f = m · 2 e where m is called the mantissa and e is a signed integer exponent . We like to read numbers scaled by powers of ten, not two, so computers need algorithms to convert binary floating-point to and from decimal text. My 2011 post “ Floating Point to Decimal Conversion is…
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Targeted Bets: An alternative approach to the job hunt
A simple personal website and blog
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Notes on Apple's Nano Texture (2025)
2024 Nano Texture Macbook Pro on the left; 2021 Glossy Macbook Pro on the right TLDR: the Nano Texture performs wonderfully anywhere where light used to be a factor and used to force me to shade my screen or avoid the place entirely. I’m less concerned with where I sit indoors. Coffee shops / offices with skylights or…
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Fix your robots.txt or your site disappears from Google
a post from alan w. smith
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The microstructure of wealth transfer in prediction markets
Slot machines on the Las Vegas Strip return about 93 cents on the dollar. This is widely considered some of the worst odds in gambling. Yet on Kalshi, a CFTC-regulated prediction market, traders have wagered vast sums on longshot contracts with historical returns as low as 43 cents on the dollar. Thousands of…
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CSS Web Components for marketing sites (2024)
The truly No JavaScript web component.
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SIMD programming in pure Rust
I've recently tasted AMD Zen 5 CPUs (AWS' m8a instances) and... Whooaaa. Even before talking about GPUs and NPUs, the next 5 years of CPUs will be very exciting! For
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I was a top 0.01% Cursor user, then switched to Claude Code 2.0
A comprehensive guide to Claude Code from someone who's been using coding AI since 2021. Learn the 5 pillars of agentic coding, custom commands, and advanced workflows.
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Some C habits I employ for the modern day
Despite it being the first “proper” programming language I learned—by reading K&R front-to-back no less—I don’t write C too terribly often nowadays. Playing resonite has gotten me into writing a load of C# for modding the game, and most of what I do day-to-day is automating the tedium on my computer, which gets…
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The coming industrialisation of exploit generation with LLMs
Recently I ran an experiment where I built agents on top of Opus 4.5 and GPT-5.2 and then challenged them to write exploits for a zeroday vulnerability in the QuickJS Javascript interpreter. I adde…
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Bypassing Gemma and Qwen safety with raw strings
How a Single Function Call Gates Safety Alignment in Gemma, Qwen, and Other Open-Source LLMs
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The Code-Only Agent
When code execution really is all you need. Exploring what happens when an AI agent can only write and run code.
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Prediction: Microsoft will eventually ship a Windows-themed Linux distro
When you think Microsoft you probably don't think sense of humor. And yet, I'm convinced that Microsoft is going to do a very specific *very* funny thing within our lifetimes.