JPJithin Pincodeis.hashnode.dev·Jun 22 · 3 min readLeetCode 2 — Add Two NumbersPattern: Linked List Digit Addition with Carry This problem follows the digit-by-digit addition pattern, where a number is represented as a sequence of digits and we process one digit at a time. Since00
JPJithin Pinwebman.hashnode.dev·May 10 · 20 min readHTML5 Mastery: Semantic Elements, Forms, Accessibility, Graphics, Components, and MediaIntroduction HTML5 is not just a new version of HTML—it is a fundamental shift in how we build web applications. Introduced in 2014 (with continuous updates through 2026), HTML5 brought native support00
JPJithin Pinwebman.hashnode.dev·May 9 · 33 min readCookies, Sessions, and Storage: Where the Web Remembers YouIntroduction Every time you visit a website and stay logged in, add items to a shopping cart, or see personalized recommendations, the site is relying on some form of client-side storage. But how does00
JPJithin Pinwebman.hashnode.dev·May 9 · 29 min readBrowser Rendering Engine Basics: From HTML to PixelsIntroduction You type a URL, press Enter, and within milliseconds, a beautifully laid-out webpage appears. You see text, images, buttons, and animations. But what actually happens inside the browser b00
JPJithin Pinwebman.hashnode.dev·May 9 · 25 min readThe DNS Resolution Process: From Domain Name to IP AddressIntroduction Every time you type google.com into your browser or send a message on WhatsApp, your device performs an invisible lookup in less than a second. This lookup is the Domain Name System (DNS)00