--- title: "Renil Garala (@renilpatel) | Hashnode" description: "Developer, Building useful things for the web. Read the latest articles by Renil Garala on Hashnode." url: "https://hashnode.com/@renilpatel" --- @renilpatel # Renil Garala @renilpatel · rajkot, gujarat, india · Joined January 2025 Developer, Building useful things for the web ### [Claude Code Slash Commands Explained](https://renilpatel.hashnode.dev/claude-code-slash-commands?utm_source=hashnode&utm_medium=feed) Slash Command in Claude Code 3 min read · [renilpatel.hashnode.dev](https://renilpatel.hashnode.dev/claude-code-slash-commands?utm_source=hashnode&utm_medium=feed) [Jun 24](https://hashnode.com/posts/claude-code-slash-commands/6a3bc4be5068ba6bbf547a40) ### [GPT - Generative Pre-trained Transformer](https://renilpatel.hashnode.dev/gpt?utm_source=hashnode&utm_medium=feed) 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 ... 3 min read · [renilpatel.hashnode.dev](https://renilpatel.hashnode.dev/gpt?utm_source=hashnode&utm_medium=feed) [Aug 14, 2025](https://hashnode.com/posts/gpt/689dd59ddcf0a5666d34cb01) ### [Working with File System - Using the fs module in Node.js to Read and Write Files](https://renilpatel.hashnode.dev/working-with-file-system?utm_source=hashnode&utm_medium=feed) 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... 3 min read · [renilpatel.hashnode.dev](https://renilpatel.hashnode.dev/working-with-file-system?utm_source=hashnode&utm_medium=feed) [Aug 2, 2025](https://hashnode.com/posts/working-with-file-system/688e6183ae456f8f6f664e39) ### [Connecting Node.js to MongoDB using Mongoose](https://renilpatel.hashnode.dev/connecting-nodejs-to-mongodb-using-mongoose?utm_source=hashnode&utm_medium=feed) 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... 4 min read · [renilpatel.hashnode.dev](https://renilpatel.hashnode.dev/connecting-nodejs-to-mongodb-using-mongoose?utm_source=hashnode&utm_medium=feed) [Aug 1, 2025](https://hashnode.com/posts/connecting-nodejs-to-mongodb-using-mongoose/688d10a320b0b95cf21d2948) ### [Clean Express API Design: Organize Your Code the Right Way](https://renilpatel.hashnode.dev/clean-express-api-design?utm_source=hashnode&utm_medium=feed) 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... 3 min read · [renilpatel.hashnode.dev](https://renilpatel.hashnode.dev/clean-express-api-design?utm_source=hashnode&utm_medium=feed) [Jul 31, 2025](https://hashnode.com/posts/clean-express-api-design/688b8a412dc7932704230ca6)