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 read
Half Life
Some things fade fast. Some last. Learn the ones that last.
Latest articles
View all →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 read
Authentication and Authorization, Explained: The Interview-Ready Deep Dive
A beginner-to-advanced guide to authentication and authorization: password hashing, sessions vs JWTs, access and refresh tokens, OAuth 2.1, and passkeys.
50 min read
API Integration in JavaScript: Reading Responses, Handling Errors, and Stripe
Read API responses the right way: res.json() vs res.text(), error handling, timeouts, retries, React data fetching, and real Stripe payments and webhooks.
32 min read
DNS Records for Email: SPF, DKIM, DMARC, and How Mail Authentication Works
How DNS really works for email: nameservers, SPF, DKIM, and DMARC explained, the attacks they stop, and the exact records for Google Workspace, SES, Mailgun, and Cloudflare.
35 min read
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