Coding

Pragmatic notes on developer tools, languages, and workflows. Shortcuts, tricks, and lessons from actually shipping code.

Google's jj undoes anything Git will not let you undo

Jujutsu is a Git-compatible VCS with automatic rebases, first-class conflicts, and undo. Why it beats Git and why developers are switching in 2026.

Caveman lifting a huge plain boulder overhead while a brass balance scale beside him weighs it as a tiny pebble

Caveman AI skill claimed 65% savings, JetBrains got 8.5%

Caveman AI skill token savings measured 8.5%, not the advertised 65%. JetBrains benchmarked 86 paired tasks, and the v2 rebuild compresses input.

Robot engineer reaching for a keyboard beside three gates marked with speech bubbles, a blueprint, and a red cross, while small drones queue on a conveyor belt

Superpowers stops your AI from coding until you talk

The Superpowers skills framework for coding agents blocks the first line of code until you agree a spec and a plan. See what that discipline costs.

Postgres 18 can replace Redis, Kafka, and Elasticsearch

Postgres 18 plus a few extensions can replace Redis, Kafka, MongoDB, Elasticsearch, and Pinecone. A tour of the features, benchmarks, and limits.

Two-part inspection machine over a conveyor of code plates, flagging one beetle-shaped defect while four others crawl away unnoticed

Alibaba's code reviewer finds fewer bugs on purpose

Alibaba Open Code Review trades recall for precision, using roughly a ninth of the tokens a general agent burns. See what that trade really costs you.

Five sealed glass chambers on a workbench, each holding a robotic arm building a different code branch, with one branch merging and four discarded

Orca runs five AI coders at once and four of them lose

Orca runs five AI coders at once, each in its own git worktree. Fan one prompt out to Codex, Claude Code, OpenCode, and Pi, then merge the winner.