I am an engineer, and I write a blog about everything I learn in technology
Today, I started learning Docker and understood why it’s such an important tool for developers. 🔹 The Problem – “It works on my machine” As developers, we often face this classic issue: An application works perfectly on our machine. But when we sh...
Have you ever written a function in JavaScript and wondered,"Why is this not pointing to what I expected?"If so, welcome to the world of call(), apply(), and bind() — JavaScript's secret weapons for controlling what this actually means. Let’s break i...
Have you ever wondered how some functions in JavaScript can "remember" variables even after the outer function has finished running?That’s not black magic — it’s called a Closure, one of the most powerful and essential concepts in JavaScript. 💡 Wha...
If you're learning JavaScript, you'll often hear people say: “JavaScript has first-class functions.” Sounds fancy, right? But don’t worry—it’s actually a very simple and powerful idea. First-Class Functions Mean: In JavaScript, functions are treat...
“Why is my variable changing when I didn’t even touch it?”If you’ve asked this while debugging JavaScript, welcome to the mysterious world of memory references! 🪄 The Magic Begins: Understanding JavaScript’s Variable Behavior JavaScript variables do...
Before we dive into code, let me ask you a simple question: What do you expect from this expression? console.log(1 < 2 < 3); If your answer is "True, obviously!", you're not alone—but JavaScript doesn't quite work the way we humans do. Welcome to th...
It's so important to understand how JavaScript works behind the scenes so that you can produce code that is efficient and free of bugs. This blog will take you through the complete life-cycle of JavaScript code execution, from the instant a script fi...
Imagine your computer trying to do too many things at once, like juggling balls. Sometimes, switching between tasks takes extra time, and this can slow everything down. This delay is called CPU latency. Let’s explore what it is, why it happens, and h...
In computing, disk latency refers to the delay or lag that occurs when your system reads from or writes data to a storage disk (like a hard drive or SSD). Disk latency is a crucial factor affecting your system’s overall performance, especially when d...