4231
How many products does Microsoft have named 'Copilot'?
Update (9 Apr 2026): Another one. A helpful person sent in Microsoft 365 Copilot for US Government. That's 81. Chart updated.
New
The latest blog posts to take off on Hacker News. 5,961 posts.
4232
Floating point from scratch: Hard Mode
Actually building floating point from scratch!
4233
Scientists observe an immune signaling complex forming inside cells
SLAC scientists observed an immune signaling complex forming inside cells for the first time, revealing insights that could guide new treatments.
4234
Why the most valuable things you know are things you cannot say
The Dimensionality Problem
4235
Components of a Coding Agent
How coding agents use tools, memory, and repo context to make LLMs work better in practice
4236
The CMS is dead, long live the CMS
I saw a post on LinkedIn the other day from a self-proclaimed 20 year agency veteran of WordPress saying that was it, they’re moving the entire agency off of WordPress and onto AI. Now, because I, too, am a 20 year veteran of WordPress, this kind of story catches my attention. He posted that they […]
4237
The Clock
(If you fancy a puzzle, go look at The Clock first, try to figure out how it works, then come back here for the explanation.) Inspired b...
4238
SQLite in Production: Lessons from Running a Store on a Single File
Run Rails on SQLite with WAL and Docker volumes while accounting for the concurrency failure that appears during blue-green deploys.
4239
Some Unusual Trees
One of my favorite pastimes is exploring old bookstores.
4240
Signals, the push-pull based algorithm
We have been using Signals in production for years via several modern front-end frameworks like Solid, Vue, and others, but few of us are able to explain how they work internally. I wanted to dig into it, especially diving deep into the push-pull based algorithm, the core mechanism behind their reactivity.
4241
The Last Quiet Thing
Your possessions came alive. Now they won't stop talking.
4242
Emotion concepts and their function in a large language model
All modern language models sometimes act like they have emotions. What’s behind these behaviors? Our interpretability team investigates.
4243
The FAA’s flight restriction for drones is an attempt to criminalize filming ICE
Legal intern Raj Gambhir was the principal author of this post.Update: On April 15, 2026 the FAA rescinded the TFR (FDC 6/4375) and instead issued an advisory (FDC 6/2824), which states: [Drone] operators are advised to avoid flying in proximity to: Department of War (DOW), Department of Energy (...
4244
Claude Code Found a Linux Vulnerability Hidden for 23 Years
Claude Code has gotten extremely good at finding security vulnerabilities, and this is only the beginning.
4245
Fake Fans
into the digital marketing agency that creates your music taste
4246
Age verification on Systemd and Flatpak
How will this work, I wonder
4247
Why are we still using Markdown?
Burak Güngörs lab where he does some stuff
4248
Build your own Dial-up ISP with a Raspberry Pi
Last year my aunt let me add her original Tangerine iBook G3 clamshell to my collection of old Macs1. It came with an AirPort card—a $99 add-on Apple made that ushered in the Wi-Fi era. The iBook G3 was the first consumer laptop with built-in Wi-Fi antennas, and by far the cheapest way to get a computer onto an 802.11…
4249
Running out of disk space in production
A tale about misconfiguring nginx, from adventures in production
4250
Solar and batteries can power the world
Solar and batteries are cheap enough that most people can get most of their electricity from them, and save money. This equation gets better and better over time as their costs decline.
4251
Marc Andreessen is wrong about introspection
(And everyone knows it)
4252
Big-Endian Testing with QEMU
In computing, the terms big endian and little endian refer to the order in which a value's bytes are stored in memory: with the most significant (big) or least significant (little) part first.
4253
The Document Foundation ejects its core developers
Older items: 2026 : ( J F M A ), 2025 , 2024 , 2023 , 2022 , 2021 , 2021 , 2019 , 2018 , 2017 , 2016 , 2015 , 2014 , 2013 , 2012 , 2011 , 2010 , 2009 , 2009 , 2008 , 2007 , 2006 , 2005 , 2004 , 2003 , 2002 , 2001 , 2000 , 1999 , legacy html
4254
SSH certificates: the better SSH experience
When I ssh into a server for the first time, I’m confronted with a dialog which asks me to verify I’m actually talking to the machine I expect to be talking to. $ ssh -l jp 192.0.2.65 The authenti...
4255
Category Theory Illustrated – Types
In this chapter we will talk about types. This might be disappointing for you, if you expected to learn about as many new categories as possible (which you don’t even suspect are really categories till the unexpected reveal)—we’ve been talking about the category of types in a given programming language ever since the…
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4257
The Technocracy Movement of the 1930s
The dreams of a forgotten movement from the 1930s live on
4258
Slightly safer vibecoding by adopting old hacker habits
I have seen a lot of public discussion around supply-chain attacks on the Python ecosystem, prompt injection risks when using coding agents,...
4259
We replaced RAG with a virtual filesystem for our AI documentation assistant
We replaced expensive sandboxes with ChromaFs, a virtual filesystem over Chroma, to give our docs AI assistant the ability to explore documentation like a developer would.
4260
Tailscale's new macOS home
Tailscale now has a full windowed UI. Before that, our app had to tell you it was hidden by The Notch.