The core trade-off behind every social news feed: fanout on write versus fanout on read. Covers precomputed feeds, on-demand assembly, the celebrity problem, hybrid fanout, and where ranking fits. Tagged with systemdesign, architecture, scalability, interview.
Opus 4.8 and GPT-5.5 investigate the same anonymous signup failure. Zero human nudges versus three, and a root cause one character wide. Summary post with the full interactive side-by-side linked. Tagged with opus48, gpt55, claudecode, codexcli.
A firsthand test of uv audit vs pip-audit: identical findings, much faster, and a supply-chain gate narrower than it looks. Tagged with python, security, devops, supplychain.
Two usage-based cloud platforms with different defaults — a CLI-and-primitives approach versus a repo-first, visual-canvas workflow. Here is how they line up as of 2026-07-29. Tagged with webdev, devops, programming.
