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How React Virtual DOM works under the Hood

May 4 · 4 min read · INTRODUCTION: Directly manipulating the browser’s DOM is like renovating a house by tearing down every wall just to change a single lightbulb. It’s slow, resource-heavy, and quickly becomes a bottlene

JWT Authentication in Node.js Explained Simply

Apr 30 · 4 min read · INTRODUCTION: In web development, Authentication is the process of verifying a user's identity. Without it, a server cannot distinguish between a legitimate account holder and an unauthorized actor. H

Sessions vs JWT vs Cookies: Understanding Authentication Approaches

Apr 30 · 5 min read · INTRODUCTION: Choosing an authentication method is like deciding how to identify guests at a high-end club. Do you keep a guest list at the front door (Sessions)? Or do you give every guest a tamper-p

Storing Uploaded Files and Serving Them in Express

Apr 30 · 4 min read · INTRODUCTION: Handling file uploads is like running a digital coat check: you need a secure place to keep the items, a tagging system to find them later, and a clear path for people to come back and c

Handling File Uploads in Express with Multer

Apr 30 · 4 min read · INTRODUCTION: Handling file uploads can be a bottleneck in web development. While Express natively handles text and JSON, it cannot process binary data like images or PDFs without assistance. Multer s