Posts

Master TypeScript utility types with practical examples. Learn Partial, Required, Pick, Omit, Record, Awaited, and more — with real-world use cases that make your code type-safe and maintainable.

Master the art of canceling async operations with AbortController. Learn practical patterns for fetch requests, timeouts, cleanup, and building responsive applications.

A deep dive into JSON Web Tokens (JWT) — what they are, how they work, and why they've become the backbone of secure web authentication.

A fun, beginner-friendly guide to understanding CSS specificity with practical examples and easy-to-remember rules.

When to use ===, when == helps, and the gotchas to remember.

A fun, story-style walkthrough of what really happens when you type a URL: DNS, TCP, TLS/SSL, HTTP, caching, rendering, CORS, cookies, CDNs, and more.

A hands-on, example-packed guide to storing and refreshing JWTs safely in frontend apps: in-memory access tokens, HttpOnly refresh cookies, rotation, CORS/CSRF, and real code you can ship.

A fun and practical guide to understanding closures in JavaScript, with real-world use cases like caching, rate limiting, event handling, and more.

A fun and practical guide to understanding when to use imperative vs declarative approaches in JS/TS, with lots of real-world examples.

A fun, practical guide to JavaScript promise methods — all, allSettled, race, any, resolve/reject, and finally — with examples you'll actually use.

A comprehensive guide to implementing secure wallet-based authentication using Ethereum signatures in Express.js applications, with real-world use cases and security considerations

Learn how to implement Domain-Driven Design in a Next.js application using TypeScript.