TKTushar Kumar Jaiswalinwebdevcohort2026.hashnode.dev·4h ago · 3 min readCSS Selectors 101: Targeting Elements with PrecisionWhy CSS selectors are needed CSS needs a way to identify which HTML element should receive a particular style. Like we want to change the background color of container or we want to change the text co00
SSSameer Selokarinblogbysameer.hashnode.dev·5h ago · 10 min readFrom Chatbot to AI Agent: How Agents Take ActionsAsk a chatbot "Book me the cheapest flight to Delhi tomorrow" and you get a polite paragraph explaining how you could do that. Ask an agent the same thing and it searches flights, compares prices, and00
SGSahil Guptainsahilxdev.hashnode.dev·2d ago · 7 min readWhy Does Everyone Use Express Instead of Plain Node.js?Why Does Everyone Use Express Instead of Plain Node.js? Many beginners think Express is some separate framework that replaces Node.js entirely - like choosing React instead of vanilla JavaScript. That00
NDNidhi Dewanganintcp-udp-protocol.hashnode.dev·3d ago · 3 min readWhat role do Git & Github play in a student's life?Organize Learnig: - It organizes coding Learning(like-programming languages,frameworks). If the students make projects in HTML,CSS,JS,Java then changes happen everyday.Git saves the history of every c00
SGSahil Guptainsahilxdev.hashnode.dev·4d ago · 11 min readThe Node.js Event Loop Explained: How One Thread Juggles Everything"Node.js is single - threaded, so it can only do one thing at a time." You have probably heard this. It is half true, and the half that is false is the reason Node.js can serve thousands of users on a00
SGSahil Guptainsahilxdev.hashnode.dev·5d ago · 6 min readHow Does Node.js Handle Multiple Requests With Just One Thread?How Does Node.js Handle Multiple Requests With Just One Thread? Many beginners assume this: one thread means one request at a time. So a Node.js server should choke the moment a second user shows up. 00
SGSahil Guptainsahilxdev.hashnode.dev·6d ago · 6 min readBlocking vs Non-Blocking Code in Node.js: What Every Beginner Gets WrongWhy Does One Slow Request Freeze Your Entire Server? Many beginners assume each incoming request in Node.js runs in its own little bubble. So if one request is slow, it should only affect that request00
SGSahil Guptainsahilxdev.hashnode.dev·Sep 21 · 6 min readYour First Node.js Setup: From Installing to Serving Hello WorldJavaScript outside a browser? Many beginners think you need a framework, a build tool, or some heavy setup before you can run JavaScript on your own machine. That's not true. Node.js is a runtime tha00
PTPrem Takawaneinpendingblog.hashnode.dev·Sep 20 · 5 min readBasics of Browser Internals ( how browser work inside )THIS ARTICLE IS FOR BEGINNERS before understanding whole browser, how it work, lets understand basics parts inside browser, how they work, User Interface : when you open your browser your first00
SGSahil Guptainsahilxdev.hashnode.dev·Sep 18 · 7 min readWhy Is Node.js So Fast? The Truth Behind Non-Blocking I/OHow does Node.js handle thousands of requests without ever standing in line? Many beginners think Node.js is fast because it runs multiple threads behind the scenes, the way Java or PHP servers do. Th00
