Build OAuth 2.0 login with the Authorization Code flow and PKCE in Python and Flask. Covers token exchange, sessions, refresh, and hardening.
Web Dev
Modern web development from someone who builds it. CSS, JavaScript, web standards, and the patterns that actually scale.
Tailwind v4: Oxide Rust engine, 182x incremental builds, CSS config
Tailwind CSS v4 uses Rust-powered Oxide, moves config to CSS @theme directives, and builds 5x faster. Update utilities and convert config to CSS.
Web font subsetting: cut payload by 90% with variable fonts
Cut web font payloads 70-85% with variable fonts and pyftsubset subsetting, CSS unicode-range, zero-layout-shift loading, and a CI setup to keep it small.
Real-time chat with WebSockets: under 150 lines, no framework
Build a real-time WebSocket chat server in Node.js with a vanilla JavaScript browser client. The whole thing fits in under 150 lines, no framework.
Webhook relay with Cloudflare Tunnels: free ngrok alternative
Expose local servers to webhooks from GitHub, Stripe, Twilio using Cloudflare Tunnels and FastAPI. Covers setup, verification, security, and hosting.
Service worker caching: network-first, cache-first, SWR
Service workers cache assets on static sites for instant loads, offline access, and perfect Lighthouse PWA scores using proven caching strategies.
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