AlexWebLab

Explore a wide range of web development topics, from JavaScript to React and beyond, and uncover valuable insights to enhance your skills.

Latest 2 articles:

Cache Invalidation Strategies: The Second Hardest Problem in Computer Science

Networking & Caching

Caching makes applications fast. Cache invalidation makes them correct. The challenge is not storing data — it is knowing when stored data is no longer fresh and deciding what to do about it. Every caching strategy is a trade-off between freshness, performance, and complexity.

SharedArrayBuffer and Atomics: True Shared Memory in the Browser

Web APIs & Async

SharedArrayBuffer is the only browser primitive that allows multiple JavaScript contexts to read and write the same memory simultaneously. Combined with Atomics, it enables lock-free synchronization for high-performance parallel computation in the browser.