@renilpatel

GPT - Generative Pre-trained Transformer

Aug 14, 2025 · 3 min read · What is GPT? GPT stands for: Generative → It can generate text, not just understand it. Pre-trained → It’s trained on a massive amount of text data before you ever interact with it. Transformer → This is the architecture, or design, of the neural ...

Working with File System - Using the fs module in Node.js to Read and Write Files

Aug 2, 2025 · 3 min read · Have you ever wondered how your computer stores all your documents, music, and code files? What if your program could read those files, create new ones, or even delete them — just like you do manually? Imagine you're building a text editor, a blog, o...

Connecting Node.js to MongoDB using Mongoose

Aug 1, 2025 · 4 min read · If you're starting your journey in backend development, you've probably heard words like Node.js, MongoDB, and Mongoose. But what are they? And how do they work together? This article will explain everything from the basics to real code examples, usi...

Clean Express API Design: Organize Your Code the Right Way

Jul 31, 2025 · 3 min read · If you're learning how to build a backend using Express.js, it's important to organize your code properly. A clean project structure helps you build faster, fix bugs easily, and add new features without confusion. What is a RESTful API? A RESTful AP...

How to Create a Simple Web Server Using Express.js (Step-by-Step Guide for Beginners)

Jul 27, 2025 · 3 min read · In the world of web development, having a basic understanding of how web servers work is essential. Whether you're building a portfolio site, an e-commerce app. you’ll need a server to handle incoming requests and send responses. And that’s where Exp...