TypeScript Generics: A Practical Guide

Have you ever found yourself writing duplicate code to handle different data types? Or worse, resorting to using any and losing all the benefits of TypeScript's type checking? If so, generics are about to become your new best friend. In this tutorial, I'll show you how…

How to Use Promise-based File Operations in Node.js

Working with files in Node.js has traditionally been callback-based, which can lead to deeply nested code that's difficult to read and maintain. If you've been writing Node.js applications for a while, you've probably encountered (or written) code that looks like this: const…

Git for Beginners

This guide will walk you through the standard Git workflow, explaining the most commonly used commands. If you’re new to Git, this guide will help you get up and running in no time! Prerequisites: * Git installed * Passing familiarity with the *nix command line What is Git? Git is a…

Docker for Beginners: A Practical Guide to Containers

Have you ever found yourself saying "but it works on my machine" when your code fails in production? Or spent hours setting up development environments for new team members? Maybe you've struggled with dependency conflicts between different projects? Docker solves these problems by packaging your application…

WeakMap and WeakSet: Memory-Friendly Collections

If you've been using Maps and Sets in your JavaScript applications (if not, check out my previous tutorial), you might have come across their lesser-known cousins: WeakMap and WeakSet. These specialized collection types were also introduced in ES6, but they're often overlooked despite offering unique memory…

Beyond Objects and Arrays: Maps and Sets in ES6

If you've been writing JavaScript for a while, you're probably very familiar with objects and arrays. These two built-in data structures have been the workhorses of JavaScript since its inception. But with ES6 (ECMAScript 2015), JavaScript introduced two new collection types: Maps and Sets. In this…