bewafa-promises-js.hashnode.devBewafa Promises JS 💔Introduction Did you hear the word Promise? what comes to your mind ?? May be u will think about your THE ONE that verbally committed to you some thing 🥲. But You have no idea that their commitment w2h ago·10 min read
arijitkundu.hashnode.devHow a Browser Works: A Beginner-Friendly Guide to Browser InternalsWhat happens after you type a URL and press Enter? Don’t assume magic. A browser is not a single thing that “opens websites.” It’s like a tiny OS itself of parts arguing about who paints the screen, and somehow, it produces the webpage you scroll. Le...Jan 30·8 min read
arijitkundu.hashnode.devTCP Working: 3-Way Handshake & Reliable CommunicationImagine two people trying to pass notes in class without rules — notes get lost, arrive twice, or arrive out of order. Chaos. The internet needs rules so two machines can reliably exchange data. That’s where TCP (Transmission Control Protocol) comes ...Jan 30·7 min read
arijitkundu.hashnode.devTCP vs UDP: When to Use What, and How TCP Relates to HTTPThe internet needs rules to move data — TCP is the careful courier that guarantees delivery, UDP is the fast announcer that bets on speed, and HTTP is an application-level language that usually rides on TCP. Why the internet needs rules? Imagine sen...Jan 30·7 min read
arijitkundu.hashnode.devEmmet for HTML: A Beginner’s Guide to Writing Faster MarkupWriting HTML can feel slow. You type <div class="card"><h2>Title</h2><p>Some text</p></div> over and over, and your fingers groan. Emmet fixes that by letting you write short abbreviations that expand into full HTML — in seconds. This guide walks you...Jan 30·5 min read
