@tejas259

From ls to System Internals: My First Deep Dive into Linux

Apr 22 · 6 min read · I always thought Linux was about commands. ls, cd, mkdir that’s what I believed Linux was. But when I opened the root directory (/) and started exploring, something unexpected happened… I wasn’t looki

String Polyfills and Common Interview Methods in JavaScript

Mar 26 · 7 min read · You've used toUpperCase(), trim(), includes() dozens of times. But have you ever been asked can you build that yourself? That's exactly what interviews test. Not whether you know the method name, but

Array Flatten in JavaScript

Mar 26 · 6 min read · Arrays inside arrays inside arrays. At some point, almost every JavaScript developer ends up staring at deeply nested data wondering how do I get all of this into one flat list? That's what flattening

Map and Set in JavaScript

Mar 26 · 6 min read · You already know objects and arrays. They've handled most of your data needs so far. But there are situations where both start showing their limits and that's exactly where Map and Set come in. The Pr

JavaScript Modules: Import and Export Explained

Mar 26 · 7 min read · As your JavaScript code grows, keeping everything in one file stops working. Things get hard to find, hard to fix, and hard to reuse. Modules are how JavaScript lets you split your code into separate