CSS Selectors 101: Targeting Elements with PrecisionCSS selectors are a way to choose elements. It helps to target a specific HTML element or a group of elements to style them in CSS. Think of it like addressing people; one is you’ll say, “All people just listen to me,” another is “People with green s...Jan 30, 2026·3 min read
TCP Working: 3-Way Handshake & Reliable CommunicationTCP (Transmission Control Protocol) is a networking protocol that allows devices to communicate reliably over a network. It ensures reliable, ordered, and error-free transfer of data between applications. TCP works on the transport layer of the OSI m...Jan 25, 2026·4 min read
DNS Record Types ExplainedHow does a browser know where a website lives? If you know about “How DNS resolution works,” you may tell that the DNS resolver will get the IP of the server from the authoritative name server. Well, that’s ok, but how does the authoritative name ser...Jan 24, 2026·4 min read
How DNS Resolution WorksWhen you open any website on a browser, do you know how it opens? Every website is hosted on a server, so to access it, we need the IP address of the server to reach it, like 142.250.182.238. It is hard to remember the IP address of every website, so...Jan 23, 2026·4 min read
Getting Started with cURLcURL stands for client URL. It helps us to send messages to a server by using a terminal. The question is, what is a server, and why do we need to talk to it? Well, a server is a powerful computer that provides resources, data, or services to other d...Jan 22, 2026·3 min read
Inside Git: How It Works and the Role of the .git FolderMost of the developers know about Git and use Git a lot, but do you know how it internally works? It takes snapshots of our projects and stores them in its object database, where each object contains a hash key generated using the SHA-1 algorithm. We...Jan 21, 2026·5 min read
Git for Beginners: Basics and Essential CommandsWhat is Git? Git is a tool used to track changes in your code. It is termed a Distributed Version Control System (DVCS) because it allows multiple developers to collaborate on a project, track changes, and switch back to previous versions if needed. ...Jan 20, 2026·3 min read
