Cheatsheets
TypeScript, curl, ffmpeg & homelab
Five standalone pocket references. Independent of each other — use whichever you need, in any order.
- TypeScript 6.0 — 23 sections, every heading linked to the handbook, full 5.0 → 6.0 changelog
- curl — 16 sections of HTTP-stack recipes, auth, TLS, retries, recipes
- ffmpeg / ffprobe — 15 sections: transcoding, filters, streaming, hardware acceleration, probing
- Caddy Docker Proxy — 15 sections: label-driven reverse proxy, zero-downtime cutover
- Production Delivery Principles — shift-left CI, safe migrations, feature-flag lifecycle
Three-part deep dive
A sequential progression building one mental model. Best read Part 1 → 2 → 3 in order.
- Part 1 — sync, microtasks, macrotasks, timers (output:
A H D F G B C E) - Part 2 — Promise executor body is sync;
.thenchains interleave - Part 3 — how
awaitfits, 9 migration traps, full checklist