NKNitesh Kumar Tuduinblog.thecodingant.in·2d ago · 7 min readReact 20 Just Changed Everything — Here's What MERN Devs Need to KnowThere's a version of React where modern patterns aren't just the "recommended" way — they're the only way. React 20 is that version, and if you're still carrying around defaultProps, string refs, or t00
NKNitesh Kumar Tuduinblog.thecodingant.in·4d ago · 8 min readNode.js vs Bun vs Deno in 2026: The Runtime Decision Your MERN Stack Actually Needs to MakeThe JavaScript runtime wars quietly settled into something more nuanced than anyone expected. A few years ago it felt like Bun was going to eat Node.js alive, and Deno was going to drag the whole ecos41M
NKNitesh Kumar Tuduinblog.thecodingant.in·5d ago · 7 min readPython Finally Killed the GIL: What Free-Threading in 3.14 Means for Your StackFor thirty years, one line in Python's source code quietly haunted every developer who tried to squeeze real concurrency out of the language. The Global Interpreter Lock — the GIL — meant that no matt01M
NKNitesh Kumar Tuduinblog.thecodingant.in·6d ago · 7 min readOpenAI DevDay 2026: What MERN Developers Actually Need to KnowOpenAI held DevDay 2026 on September 29th and dropped 20+ announcements back to back. If you spent the day actually shipping code (respect), here's the honest breakdown of what matters for folks build10
NKNitesh Kumar Tuduinblog.thecodingant.in·Sep 29 · 8 min readYour Test Suite Isn't Ready for AI Agents — Here's How to Fix ThatMomentic just shipped Mo — an AI agent that generates automated tests without you writing a single line of test scaffolding. It landed yesterday, and it's one of a growing wave of tools that want to t00
NKNitesh Kumar Tuduinblog.thecodingant.in·Sep 27 · 7 min readGo 1.27 Just Got SIMD (And Your Node.js Bottlenecks Should Notice)There's a part of your MERN app you've probably made peace with — the slow part. The image processing route that chokes under load. The vector similarity search that takes 400ms. The CSV parser that b00
NKNitesh Kumar Tuduinblog.thecodingant.in·Sep 26 · 7 min readDHH Stopped Writing Code by Hand — And What That Means for You as a MERN DeveloperWhen David Heinemeier Hansson — the guy who built Ruby on Rails, the framework that showed a whole generation what elegant web development could look like — announces that he hasn't written a single l00
NKNitesh Kumar Tuduinblog.thecodingant.in·Sep 25 · 7 min readStop Feeding Your LLM Stale Context: Build a RAG Pipeline Into Your MERN AppThere's a moment every MERN dev eventually hits when they wire an LLM into their Express backend and realise: this thing has no idea what my app's actual data looks like. So you end up stuffing docume00
NKNitesh Kumar Tuduinblog.thecodingant.in·Sep 23 · 6 min readS&P Global Just Bought Web3's Most Important Security Library — Here's What It Means for Your StackIf you've ever deployed a smart contract and felt a little nervous about it, you've probably leaned on OpenZeppelin at some point. And last week, S&P Global — yes, the credit ratings S&P Global — anno00
NKNitesh Kumar Tuduinblog.thecodingant.in·Sep 22 · 7 min readYour Express.js App Is a Mess — Here's the Architecture Pattern That Fixes ItYou start a new Express project. It's clean. Routes are tidy, everything makes sense. Three months later you can't change a single thing without breaking five others, your controllers are 200-line mon00
