@Santra

The Node.js Event Loop Explained

3d ago · 6 min read · Node.js runs JavaScript on a single thread. One call stack, one thing executing at a time. On the surface that sounds like a serious limitation for a server that needs to handle thousands of simultane

REST API Design Made Simple with Express.js

3d ago · 5 min read · Two systems need to talk. A mobile app needs data from a server. A frontend needs to create, update, and delete records. REST is the convention that makes this communication predictable both sides agr

I Explored the Linux File System for the First Time. Here's What I Found.

3d ago · 7 min read · I am not a Linux person. Before this assignment I had never really sat down and explored it. I knew it was an operating system, I had seen people use it, but that was about it. Then I got this assignm

Map and Set in JavaScript

3d ago · 5 min read · JavaScript has always had objects for key-value storage and arrays for lists. They work but they come with quirks that quietly cause problems in certain situations. Map and Set were introduced to solv

Why Node.js is Perfect for Building Fast Web Applications

4d ago · 6 min read · Speed in a web server isn't just about raw computation. Most of the time your server spends isn't calculating anything it's waiting. Waiting for a database to respond, a file to load, an external API