DHDan Holloraningrimicorn.hashnode.dev·2h ago · 5 min readrevalidateTag vs updateTag: Next.js Split Cache Invalidation in TwoThere is a bug I have written at least three times. An editor updates a product description in the CMS, hits publish, refreshes the page, and sees the old copy. So I add an on-demand revalidation webh00
VVectorNodeinvectronode.hashnode.dev·4h ago · 6 min readReuse HTTP Connections for OpenAI-Compatible APIs in PythonA one-off API script can create a client, send one request, and exit. A long-running worker should not rebuild its HTTP connection state for every prompt. Repeated client creation can repeat DNS looku00
CDCoding Dropletsincodingdroplets.com·22h ago · 11 min readSemantic Caching for LLM Calls in ASP.NET Core: When to Use It and HowEvery AI feature I have shipped eventually hits the same wall. Users ask the same twenty questions in a hundred different phrasings, and each one costs a full round trip to the model. Semantic caching10
MGMahesh Guptainthedebugledger.hashnode.dev·1d ago · 14 min readHow to Diagnose a Slow Oracle SQL Query Before Adding Another IndexPicture this: It's 11 p.m. You've had five Oreos from the office vending machine, and a healthcare claims report that has been finishing in about 10 seconds for months is now 15 minutes in and still r00
MMMuhammad Maulana Yusufinmmy-lana.hashnode.dev·1d ago · 1 min readmmy-css: An Ultra-Lightweight CSS Framework Under 1.2 KBMost CSS frameworks ship dozens of kilobytes of unused rules. I built mmy-css — an ultra-lightweight CSS framework under 1.2 KB gzipped with zero dependencies. 🌟 Key Highlights 📦 Under 1.2 KB gzipp00
MMMuhammad Maulana Yusufinmmy-lana.hashnode.dev·1d ago · 1 min readDetect Detached DOM Nodes & Memory Leaks with leak-doctorDetached DOM nodes and uncollected closures are silent performance killers in single-page applications. I built leak-doctor — an open-source, zero-dependency diagnostic engine and headless Chromium 011
JNJulian Neaguinjulianneagu.hashnode.dev·2d ago · 11 min readStop Paying for Bot Traffic: A Two-Layer Defense for Next.js Sites on VercelKey Highlights: Bot traffic isn't just an annoyance - it's a real line item on your hosting bill. A two-layer defense combining smart robots.txt configuration with Next.js middleware can block 60-70% 00
MMMuhammad Maulana Yusufinmmy-lana.hashnode.dev·2d ago · 1 min readCatch Zombie Fetches & Missing AbortControllers in React 19 with fetch-doctorWhen components unmount during active fetch requests, dangling promises can cause memory leaks, stale updates, and race conditions. I built fetch-doctor — an open-source auditor designed to catch zomb011
MKMurat Kayaninbetweenthelayers.hashnode.dev·2d ago · 14 min readProject Valhalla Ships in JDK 28. Your Cloud Bill Won't NoticeValue classes are real. So are the constraints. This is a reality check for Java teams planning a 2027-2030 roadmap. Summary JEP 401 (Value Classes and Objects) went into mainline OpenJDK in July 20200
AKAman Karkiinamankarki.hashnode.dev·3d ago · 9 min readBuilding a Parallel C++ Source Parser: jthread, stop_token, and the Deadlock I Didn't See Coming I've been building RAAG, a platform that analyzes architectural health across large codebases. It parses a repository, builds a dependency graph, computes coupling metrics, and uses that graph to scop10
