Performance Optimization Profiling CPU & Memory Usage in Python/Node/Java Apps Introduction As applications grow, so does the need to understand where performance issues come from. High CPU usage, memory leaks,...
Backend Real‑Time APIs with WebSockets and Server‑Sent Events Why Real-Time APIs Matter Modern applications rely on instant feedback. Whether it’s a chat message, stock ticker, or live dashboard,...
Microservices Building Scalable Microservices with Spring Cloud vs Node.js vs Python Introduction When building microservices, choosing the right stack is as important as the architecture itself. In 2025, three popular options...
Node.js How to Structure a Scalable Express.js Project When building a Node.js backend with Express, it’s tempting to keep everything in a single file — especially for small...
Node.js Building a Simple Chat Server with Node.js and WebSocket Want to build a real-time chat app from scratch without relying on third-party services? With Node.js and WebSocket, you can...