March 2026 · Lazy Developer EP.03 I had a dashboard. Built it in EP.02. Every day at 3 AM, a Cron job runs. By morning, all of yesterday’s data for Continue reading The Dashboard Was There But I Didn’t Know What to Do, So I Let AI Handle It
Quick Overview In the previous article, we discussed: Why tearing occurs and how to guarantee tear-free subscriptions How to avoid dangling subscriptions or computed nodes when components remount due to Continue reading Signals in React (VI): Stale Closures, Subscription Traps, and Reactive Graph Pitfalls
🎯 Scenario You deployed a backend API (FastAPI / Node / Java — doesn’t matter) on: AWS ECS / EKS / EC2 Behind Load Balancer Example API: http://your-api-alb.amazonaws.com You must: Continue reading NEXT LEVEL LAB — DevOps API Testing (AWS + Auth + CI/CD mindset)
Every AI coding session, my agent made the same mistakes. DbContext as singleton — state corruption, 15 minutes debugging. Again. ILogger instead of IMLog — lost tenant context. Again. Wrong Continue reading Experience Engine: AI Memory That Shrinks As Your Agent Learns
Running AI inference natively in the browser is the holy grail for reducing API costs and keeping enterprise data private. But if you’ve actually tried to build it, you know Continue reading A simple React hook for running local LLMs via WebGPU
So yeah, let’s discuss what backend is, why it matters, what a typical backend structure looks like, what OAuth is, how your database choice affects things, and why having a Continue reading Backend Development Demystified: From Structure to Real-Life APIs
For an year, I treated LLMs like a command line. Type instructions, pray for output. Tweaking wording, adding “IMPORTANT:”, moving sentences around like a ritual. Then I found DSPy. Here’s Continue reading I stopped writing prompts and started writing Python
I keep seeing “build a SaaS in a weekend” posts that end with a login page and a Stripe checkout. Cool. What about the actual product? Here’s a real one. Continue reading Ship a Micro-SaaS in a Weekend: Influencer Vetting Tool (Full Stack)
You read Sapiens, then watched Inception, and felt a connection between them. Spotify didn’t suggest it. Goodreads didn’t know about it. That connection existed only in your mind. I built Continue reading I Built a Personal Knowledge Graph App — Here’s the Full Stack Behind It
It is duythenights again! Great to have you back. If you’ve seen that yellow warning in your console: “Encountered two children with the same key,” don’t ignore it. This is Continue reading What if: we have two same keys in Reactjs?
What are the Array Methods? Array methods are built-in functions in JavaScript used to perform operations on arrays. Array length Array toString() Array at() Array join() Array pop() Array push() Continue reading JavaScript Basic Array Methods Explained for Beginners (Complete Guide)
A Casino Management System (CMS) is a real-time distributed system that connects physical gaming tables with digital infrastructure. In modern table games (e.g., baccarat), CMS platforms are responsible for tracking Continue reading Building a Casino Management System: Architecture, Data Flow, and RFID Integration
f you’ve ever shipped a UI bug where users see something like this: settings.labels.confirm_action_final_v2_FIXED …then you already know how painful localization bugs can be. Missing i18n keys are one of Continue reading I Built a VS Code Extension to Detect Missing i18n Keys Before Production
Four architectural choices that made sense when they were made and are now generating technical debt at scale. Software architecture is a set of bets about the future — about Continue reading The Software Architecture Decisions That Are Aging Poorly in 2025
title: “Every React Developer Uses Hooks. Almost None Can Explain How They Work.” description: A from-scratch build of React’s hooks system reveals that the rules aren’t arbitrary — they’re inevitable Continue reading Every React Developer Uses Hooks. Almost None Can Explain How They Work.
