Lets Revise Javascript - 1
The JavaScript concepts interviewers use to make people fail: closures, this, prototypes, the event loop, coercion, and hoisting, with tricky output puzzles.
28 min read1
Category
Web Development
Next.js Caching in 2026: From the Four-Layer Model to use cache
A beginner-to-advanced guide to Next.js caching: the four cache layers, the RSC payload, Cache Components, and when revalidateTag beats updateTag.
35 min read1
Node.js Memory, Garbage Collection & Production Failures
How Node.js memory really works: the V8 heap, garbage collection, memory leaks, OOM crashes, and diagnosing it all in production on EC2 and ECS.
40 min read2
NodeJS Fundamentals
Master Node.js for interviews: the event loop, async patterns, streams, concurrency, and the beginner traps that quietly sink candidates. With worked examples.
39 min read
React Rendering Strategies, Explained: CSR, SSR, SSG, ISR, and PPR
CSR, SSR, SSG, ISR, and PPR explained with realistic examples, plus exactly which Core Web Vitals each rendering strategy moves. From build time to the browser.
31 min read