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
Some things fade fast. Some last. Learn the ones that last.
Master Node.js for interviews: the event loop, async patterns, streams, concurrency, and the beginner traps that quietly sink candidates. With worked examples.
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.
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.
A practical, example-driven React guide from fundamentals to React 19. Master hooks, the Virtual DOM, performance, and the gotchas interviewers actually test.
UPSC Physics Paper 1 Solutions