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Async Code in Node.js: Callbacks and Promises

May 9 · 1 min read · Async Code in Node.js: Callbacks and Promises

JavaScript Operators: The Basics You Need to Know

Mar 10 · 4 min read · Have you ever wondered how a simple '+' symbol can add numbers, join strings, and even alter JavaScript data types in different contexts? This versatility is one of the powers of operators in JavaScri

How a Browser Works: A Beginner-Friendly Guide to Browser Internals

Jan 30 · 4 min read · We use browsers every day. Chrome. Firefox. Edge. Brave. But if someone asks:“What exactly is a browser doing?” Most answers stop at: “It opens websites.” That’s true — but it’s only the surface. Let’s look at what actually happens after you type a...

TCP Working: 3-Way Handshake & Reliable Communication

Jan 30 · 4 min read · When we send data over the internet, it feels instant and smooth.But behind the scenes, sending data is actually risky. Data travels through: multiple networks unknown paths crowded routes Without rules, things can easily break. This is exactly ...

TCP vs UDP: When to Use What, and How TCP Relates to HTTP

Jan 30 · 4 min read · When you send a message, watch a video, or open a website, data doesn’t magically jump from one system to another. The internet follows rules. These rules decide: how data is sent how fast it goes and how safe it is TCP, UDP, and HTTP are part o...