--- title: "mufaiz ul islam (@mufaiz-dev) | Hashnode" description: "web dev. Read the latest articles by mufaiz ul islam on Hashnode." url: "https://hashnode.com/@mufaiz-dev" --- @mufaiz-dev # mufaiz ul islam @mufaiz-dev · Joined January 2026 web dev ### [introduction to computer network:](https://gitbasicsformyself.hashnode.dev/introduction-to-computer-network?utm_source=hashnode&utm_medium=feed) 1️⃣ What is a Computer Network? Imagine: You are at home. You want to send a message to your friend who lives far away. You have two choices: Walk to their house yourself → takes a long time. Use the postal system → faster and easier. A compu... 11 min read · [gitbasicsformyself.hashnode.dev](https://gitbasicsformyself.hashnode.dev/introduction-to-computer-network?utm_source=hashnode&utm_medium=feed) [Jan 31](https://hashnode.com/posts/introduction-to-computer-network/697e270d3bc360149a8105e4) ### [CSS Selectors 101: Targeting Elements with Precision](https://targetingelementwithpreci.hashnode.dev/css-selectors-101-targeting-elements-with-precision?utm_source=hashnode&utm_medium=feed) 1️⃣ Why CSS Selectors Are Needed CSS selectors are like addresses for elements. They tell the browser which elements to style. Without selectors, CSS wouldn’t know what to change. Analogy: You want to give someone a gift → you need their address... 4 min read · [targetingelementwithpreci.hashnode.dev](https://targetingelementwithpreci.hashnode.dev/css-selectors-101-targeting-elements-with-precision?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/css-selectors-101-targeting-elements-with-precision/697cdba6ed5b0b4ef12a17df) ### [Understanding HTML Tags and Elements](https://tagsandelmnt.hashnode.dev/understanding-html-tags-and-elements?utm_source=hashnode&utm_medium=feed) 1️⃣ What is HTML and Why We Use It HTML (HyperText Markup Language) is the skeleton of a webpage. It tells the browser what to display. It structures content like headings, paragraphs, images, links, etc. Analogy: Think of HTML as a frame of a ho... 4 min read · [tagsandelmnt.hashnode.dev](https://tagsandelmnt.hashnode.dev/understanding-html-tags-and-elements?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/understanding-html-tags-and-elements/697cdaa35d8ba5a7ed7008ab) ### [Emmet for HTML :](https://emmmethtml.hashnode.dev/emmet-for-html?utm_source=hashnode&utm_medium=feed) 1️⃣ What is Emmet? Emmet is like a shortcut language for HTML and CSS. Instead of typing all HTML tags manually, you can write short abbreviations, and Emmet expands them into full code. Example: abbr: div expanded:
2️⃣ Why Emmet is Use... 3 min read · [emmmethtml.hashnode.dev](https://emmmethtml.hashnode.dev/emmet-for-html?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/emmet-for-html/697cd98d7e0e9da82c308773) ### [Understanding TCP (Transmission Control Protocol) :](https://tcpwork1.hashnode.dev/understanding-tcp-transmission-control-protocol?utm_source=hashnode&utm_medium=feed) 1️⃣ What is TCP and Why It Is Needed Imagine sending a letter to a friend.If you just throw it in the mailbox without tracking, it might get: Lost Arrive late Arrive jumbled Computers face the same problem when sending data over the internet. TC... 4 min read · [tcpwork1.hashnode.dev](https://tcpwork1.hashnode.dev/understanding-tcp-transmission-control-protocol?utm_source=hashnode&utm_medium=feed) [Jan 30](https://hashnode.com/posts/understanding-tcp-transmission-control-protocol/697cd831f3d0782d9d2566d2)