Dec 2, 2025 · 6 min read · If you've ever worked with Node.js, you’ve probably heard words like: Event loop Async programming Callbacks Promises Non-blocking I/O But what do these actually mean? More importantly… 👉 How does Node.js handle so many requests with just one...
Join discussion
Nov 28, 2025 · 3 min read · Introduction If you’re learning JavaScript, you’ve probably heard this scary word: prototype. Most developers struggle with it (especially coming from class-based languages like Java or C++). But the truth is: Prototypes are simple once you understa...
Join discussion
Nov 27, 2025 · 4 min read · Designing a clean and scalable REST API with Express.js doesn’t have to be complicated. In this guide, we’ll build a simple but production-ready Users API, understand clean project structure, proper status codes, and visualize the flow using wirefram...
Join discussion
Sep 18, 2025 · 2 min read · Welcome back to my learning journal! 👋 After covering the basics of how the internet works in Day 1, today I focused on one of the most important foundations of web development: Client-Server Architecture. 🔹 What is the Client-Server Model? The Cli...
Join discussion
Sep 1, 2025 · 4 min read · Scalability is very important in backend development. It means the application should be able to handle more users or data smoothly. If you build your backend the wrong way, you may face slow performance, difficult maintenance, and security problems,...
Join discussion
Aug 26, 2025 · 6 min read · JSON Web Token (JWT) JWT stands for JSON Web Token. It is a compact, URL-safe means of representing claims to be transferred between two parties. It is used to securely transmit information between parties in a JSON format. JWTs can be used to author...
Join discussion
Aug 23, 2025 · 5 min read · Mongoose is a library that helps you use MongoDB with Node.js.It makes it easy to create and manage data by using schemas (rules that describe the structure of your data). Basic Schema Data Types Here are the most commonly used ones: String: Represen...
Join discussion
Aug 23, 2025 · 7 min read · 1XX Informational This class is invisible to the client and indicates that the server received the request and will continue it. It consists of four status codes: 100 continue. The server has received the initial request and will send the final answ...
Join discussion