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Lets say we need to connect to google.com, but assume we don’t have the domain names but its all IP address - a numerical label like 192.0.2.1 which is assigned to each device connected on internet for communication. It feels difficult to remember th...
If you ever worked with javascript, you would have encountered with a famous yet confusing keyword "this". In this blog, we will explore how "this" works, and more about call(), apply() and bind() met
Every program you've ever used makes decisions. Your music app skips explicit songs when parental controls are on. Your bank app blocks a transaction if your balance is too low. Your favorite game say
TL;DR Every JavaScript environment has a global object, but it has different names: window in browsers global in Node.js, and self in Web Workers. This forced developers to write messy environmen
Think about the last time you used a calculator. You typed in a number, hit a button: +, -, ×, ÷ - typed another number, and got a result. Simple as that. JavaScript operators work exactly the same wa
What is TCP and why it is needed TCP (Transmission Control Protocol) is one of the core protocols of the Internet Protocol Suite. It operates at the Transport Layer (Layer 4) and provides a reliable, ordered, and error-checked delivery of data betwee...
Have you ever wondered how developers test APIs, download files, or communicate with web servers without opening a browser? The answer is cURL - one of the most powerful and widely-used command-line tools in a programmer's toolkit. cURL (short for "C...
Introduction Every time you stream a video, send an email, or load a webpage, there's an invisible conversation happening between your device and servers across the internet. But how do these machines know how to talk to each other? The answer lies i...
Have you ever wondered how your browser knows where to find website? There are billions of websites on the internet, each one stored on a server somewhere in the world. So when you type amazon.com, how does your browser know exactly where to go? Ever...