Guides
Step-by-step playbooks: migrations, upgrades, and operational checklists you can run in order.
- Advanced1 hr 15 min
Optimize Rust async/await performance: a Tokio runbook
A step-by-step runbook for finding and fixing the async pitfalls that slow a Tokio service: blocking calls, locks across .await, unbounded concurrency, oversized futures, and runtime tuning, then verifying the latency win.
#rust#async#tokio - Intermediate30 min
Build a 4-agent Claude Code team that ships a feature while you sleep
Chain four Claude Code subagents - planner, coder, tester, reviewer - into one pipeline that turns a feature request into a reviewed branch by morning. Exact files, models, and commands.
#claude-code#ai-agents#automation - Intermediate1 hr 30 min
Optimize Interaction to Next Paint (INP) below 200 ms
A production runbook for getting field p75 INP under the 200 ms good threshold: baseline from CrUX, instrument real-user attribution, isolate the slow phase, apply one fix per phase, then verify and roll back safely.
#performance#core-web-vitals#inp - Intermediate1 hr 30 min
Migrate to TypeScript 7 beta without breaking CI
A safe, reversible rollout plan for the TypeScript 7.0 beta. Install tsgo alongside TypeScript 6.0, run both in CI until parity is proven, then promote tsgo to the gating typecheck job.
#typescript#migration#tooling