Building AI Agents with LangChain: From Runnables to Production-Ready ToolsThe Problem We're Solving You've got a language model that can follow instructions beautifully — it can write code, answer questions, reason through problems. But here's the wall every developer hits:Aug 15, 2026·24 min read
RxJS in Angular — Chapter 10 (Final) | Real-World Patterns, Best Practices & Everything That Actually MattersJul 15, 2026·10 min read
RxJS in Angular — Chapter 9 | Timing Operators — debounceTime, throttleTime, interval & MoreJul 10, 2026·8 min read
RxJS in Angular — Chapter 8 | RxJS + Angular Reactive Forms — Live Validation ও Dynamic Forms👋 Welcome to Chapter 8! Forms are EVERYWHERE in web apps — login, registration, checkout, search, settings. Angular's Reactive Forms are powered by RxJS under the hood. Every FormControl has streams Jul 4, 2026·7 min read
What Actually Happens When You Type "What is Python?" Into ChatGPTYou type a question. A few seconds later, an answer streams back — fluent, confident, occasionally wrong. Most developers use this every single day without ever asking what's actually happening betweeJun 25, 2026·19 min read
RxJS in Angular — Chapter 7 | Combining Observables — `forkJoin`, `combineLatest`, `zip` & More"Combining Observables — forkJoin, combineLatest, zip & More" 👋 Welcome to Chapter 7! Real apps rarely get data from just one place. A product page might need: The product details (from /api/producJun 21, 2026·9 min read
The JavaScript Event Loop: Why Your Code Doesn't Do What You Think It DoesJavaScript is single-threaded. One thread. One call stack. One thing at a time. And yet — you've written code that fetches data from an API while animating a loading spinner while handling button clicMay 15, 2026·15 min read
RxJS in Angular — Chapter 6 | Error Handling — Building Apps That Don't Break👋 Welcome to Chapter 6! You've built beautiful features using Observables. But what happens when the internet goes down? What if the API server crashes? What if the user has no signal? In the real woApr 10, 2026·9 min read
RxJS in Angular — Chapter 5 | Subject, BehaviorSubject & ReplaySubject — The Two-Way Radio"Subject, BehaviorSubject & ReplaySubject — The Two-Way Radio" 👋 Welcome to Chapter 5! So far, everything we've done has been one-directional: an Observable produces data and you subscribe to receivApr 5, 2026·10 min read