Writing about development and technology.
Tired of typo bugs in CSS class names and event strings? Template Literal Types let you enforce string patterns at compile time.
When your function's return type depends on input, conditional types replace 'any' with precise type inference. Type-level if-else explained.
Dealing with union types where API responses could be success or error? Type guards changed how I handle runtime type checking entirely.
I kept creating duplicate types until I discovered utility types. Partial, Pick, Omit, and Record let you transform existing types effortlessly.
Tired of writing setup docs for every new team member? docker compose up spins up your DB, Redis, and app server in one command.
Tired of ESLint and Prettier config conflicts? Biome combines linting and formatting in one blazing-fast Rust-based tool.
node_modules over 1GB and 5-minute installs? Switching to pnpm cut both size and speed in half with its clever symlink approach.
Managing frontend, backend, and shared libraries in separate repos was sync hell. Setting up a monorepo with Turborepo changed everything.
npm install took 3 minutes, bun install took 10 seconds. It's fast, but can you actually use it in production?
Optimizing by gut feeling made my app slower. Learn to use Performance profiler to find real bottlenecks and fix what matters.
Your app starts fast but slows to a crawl after 10 minutes. Learn to find and fix memory leaks using Chrome DevTools Memory tab.
Your app works perfectly on localhost but crashes in production. Set up Sentry and error tracking to catch bugs before users complain.
That wall of red text in your console isn't random noise. Learn to read stack traces and find bugs in seconds, not hours.
Stop guessing why your React app is slow. React DevTools Profiler shows exactly which components re-render and why.
When your API returns unexpected data, the Network tab is your best friend. Learn to inspect requests, responses, headers, and timing.
You don't need 100 console.logs to find a bug. Learn to use browser debugger, breakpoints, and watch expressions effectively.
Stop firing API calls on every keystroke and scroll event. A practical guide to debounce and throttle with real-world examples.
Editing a modal inside a dashboard requires 5 clicks to see changes? Isolate your UI with Storybook and develop components 10x faster.
One typo in a component crashes the entire page? Learn how to use Error Boundaries to isolate crashes and show fallback UIs gracefully.
Trusted TypeScript but got crashed by runtime data? Learn why you need 'Runtime Validation' and how to use Zod to secure your data layer.
