How React Virtual DOM works under the HoodLearn how React Virtual DOM works under the hood, including rendering, diffing, reconciliation, and efficient Real DOM updates for better performance.5 min read·pushkar-adhikari.hashnode.devMay 8
Template Literals in JavaScriptTemplate literals (backtick strings) arrived in ES2015 and make string construction clearer, safer, and more expressive than manual concatenation. This article explains the problems with traditional c5 min read·pushkar-adhikari.hashnode.devApr 26
Array Flatten in JaaScriptUnderstand nested arrays, flattening logic, and the most common ways developers solve it. Introduction Arrays are everywhere in JavaScript: users, product IDs, comments, tags, categories, and more. So6 min read·pushkar-adhikari.hashnode.devApr 26
Storing Uploaded Files and Serving Them in ExpressHow file uploads actually work in an Express app—and how to serve them safely. Introduction Uploading files is one of the most common features in web applications. Users upload profile pictures, PDFs,5 min read·pushkar-adhikari.hashnode.devApr 26
Sessions vs JWT vs Cookies: Understanding Authentication ApproachesYou log into a website. You close the tab. You come back an hour later — and you're still logged in. How does the website remember you? That's authentication state, and there are three main building b5 min read·pushkar-adhikari.hashnode.devApr 26
