Highlights from the Claude 4 system prompt
(simonwillison.net)
2025 Archive
3871.
3872.
Learn Yjs Interactively
(learn.yjs.dev)
3873.
Show HN: HipScript – Run CUDA in the browser with WebAssembly and WebGPU
(hipscript.lights0123.com)
3874.
Let’s code a TCP/IP stack, 1: Ethernet and ARP (2016)
(saminiir.com)
3875.
Simulating hand-drawn motion with SVG filters
(camillovisini.com)
3876.
3877.
When did AI take over Hacker News?
(zachperk.com)
3878.
3879.
Local LLMs versus offline Wikipedia
(evanhahn.com)
3880.
When Not to Obey Orders (2019)
(warontherocks.com)
3881.
3883.
A Postmark backdoor that’s downloading emails
(koi.security)
3884.
I analyzed chord progressions in 680k songs
(cantgetmuchhigher.com)
3885.
3886.
All managers make mistakes; good managers acknowledge and repair
(terriblesoftware.org)
3887.
3888.
Snowdrop OS – a homebrew operating system from scratch, in assembly language
(sebastianmihai.com)
3889.
Using NASA’s SMAP satellite to detect L-band interference
(radioandnukes.substack.com)
3890.
Show HN: Berlin Swapfest – Electronics flea market
(swapfest.berlin)
3891.
Embedding Python in Elixir, it's fine
(dashbit.co)
3892.
DoorDash and Waymo launch autonomous delivery service in Phoenix
(about.doordash.com)
3893.
3894.
The North Korean fake IT worker problem is ubiquitous
(theregister.com)
3895.
3896.
The legacy of lies in Alzheimer's science
(nytimes.com)
3897.
3898.
Low-Level Optimization with Zig
(alloc.dev)
3899.
What were the MS-DOS programs that the moricons.dll icons were intended for?
(devblogs.microsoft.com)
3900.
OpenWrt 24.10.0 – First Stable Release
(openwrt.org)