Posts tagged: featured
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MERN + Gen AI Engineer Interview Prep: 200 Deep Conceptual Questions (Node.js, Postgres, PostgreSQL & React) | Ahmed's Debug Diary
MERN + Gen AI Engineer — Deep Conceptual Interview Prep 50 Questions Each: React | Node.js | PostgreSQL | AI/Agents 1. REACT — 50 Deep Conceptual Questions What is the Virtual DOM and why doe...
Zero Downtime Deployments: Blue-Green Strategy with PM2 and GitHub Actions
Zero Downtime Deployments: Blue-Green Strategy with PM2 and GitHub Actions Blue-Green Deployment is a modern deployment strategy that minimizes downtime and risk by maintaining two production environ...
Scaling APIs and Optimizing Response Times to Stay Under 500ms
⚡ Scaling APIs and Keeping Response Times Under 500ms As backend developers, we often optimize for functionality first. But when your app starts gaining traffic, speed becomes the real feature. An AP...
How to Deploy an Express.js App on an Ubuntu Server using PM2 and Nginx | techahmed.com
🚀 How to Deploy an Express.js App on an Ubuntu Server using PM2 and Nginx Deploying your Express.js app to a production server might sound daunting at first, but with tools like PM2 fo...