Backpropagation is a leaky abstraction (2016)

Notes by djb on using Fil-C (2025)

Visopsys: OS maintained by a single developer since 1997

How I use every Claude Code feature

We reduced a container image from 800GB to 2GB

Claude Code can debug low-level cryptography

Updated practice for review articles and position papers in ArXiv CS category

When O3 is 2x slower than O2

Crossfire: High-performance lockless spsc/mpsc/mpmc channels for Rust

Pomelli

LM8560, the eternal chip from the 1980 years

FlightAware Map Design

GHC now runs in the browser

Show HN: Why write code if the LLM can just do the thing? (web app experiment)

Automatically Translating C to Rust

Hyperbolic Non-Euclidean World (2007)

Anonymous credentials: rate-limit bots and agents without compromising privacy

SQLite concurrency and why you should care about it

Context engineering

Beginner-friendly, unofficial documentation for Helix text editor

3M Diskette Reference Manual (1983) [pdf]

CLI to manage your SQL database schemas and migrations

From 400 Mbps to 1.7 Gbps: A WiFi 7 Debugging Journey