PKPankaj Kumarinmobile-dev-expo.hashnode.dev·May 31 · 7 min readHow WhatsApp Works Without Internet: Offline Messaging and Sync ExplainedIntroduction Imagine you're on a flight with Airplane Mode enabled. You open WhatsApp, type a message to your friend, and press Send. Surprisingly, the message immediately appears in your chat window.00
PKPankaj Kumarinmobile-dev-expo.hashnode.dev·May 23 · 12 min readHow Instagram, WhatsApp, Uber & Netflix Would Be Built Today Using Expo RouterIntroduction Modern mobile applications are no longer simple collections of screens connected together. Apps like Instagram, WhatsApp, Uber, and Netflix serve millions of users simultaneously while ha00
PKPankaj Kumarinmobile-dev-expo.hashnode.dev·May 23 · 8 min readReact Native Routing: React Navigation vs Expo RouterRouting in mobile apps is one of those topics that feels simple at first: “Move from Screen A to Screen B.” But in real applications, navigation becomes much deeper: authentication flows nested ta00
PKPankaj Kumarinmobile-dev-expo.hashnode.dev·May 8 · 7 min readHow React Virtual DOM works under the HoodBefore going to Virtual DOM lets understand DOM First DOM : Document Object Model Dom is a programming interface for HTML and XML documents that represents a web page as a trees of objects. Each par00
PKPankaj Kumarinpankajkry.hashnode.dev·May 3 · 6 min readNodejs Deployment on VPS with Github Action A quick guide to deploying a Node.js app on a VPS using Docker and automating updates with GitHub Actions for seamless CI/CD. Let’s understand how to deploy a project to a server.” Without Github Ac00
