--- title: "#cohort articles | Hashnode" description: "Explore 103 articles tagged #cohort on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/cohort" --- Tag # #cohort 103 posts · 3 followers [PRINCE KUMAR](https://hashnode.com/@farshoreprince) · [Aug 23](https://hashnode.com/posts/mastering-typescript-interfaces-generics-unions-and-more/6a8b6eaa95c7b8fd07abdf0f) ### [Mastering TypeScript: Interfaces, Generics, Unions, and More](https://princekumar-engineer.hashnode.dev/mastering-typescript-interfaces-generics-unions-and-more?utm_source=hashnode&utm_medium=feed) From JavaScript Fundamentals to Type-Safe, Maintainable Applications 18 min read · [princekumar-engineer.hashnode.dev](https://princekumar-engineer.hashnode.dev/mastering-typescript-interfaces-generics-unions-and-more?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/mastering-typescript-interfaces-generics-unions-and-more/6a8b6eaa95c7b8fd07abdf0f) [Shivanshu Agrawal](https://hashnode.com/@shivanshuagrawal) · [Jul 19](https://hashnode.com/posts/let-s-understand-where-rag-fails/6a5cfa8c144ff7632fe07105) ### [Let's Understand Where RAG Fails](https://tech-blogs-shivanshu.hashnode.dev/let-s-understand-where-rag-fails?utm_source=hashnode&utm_medium=feed) Imagine you have a smart friend who has read very book of the world but he completely stopped reading anything new. If you ask him "Who won the Cricket World Cup?" he will answer. But if you ask him a 4 min read · [tech-blogs-shivanshu.hashnode.dev](https://tech-blogs-shivanshu.hashnode.dev/let-s-understand-where-rag-fails?utm_source=hashnode&utm_medium=feed) [PRINCE KUMAR](https://hashnode.com/@farshoreprince) · [Jul 14](https://hashnode.com/posts/where-rag-fails-understanding-the-limitations/6a567fa974d097f15b3ec8d8) ### [Where RAG Fails: Understanding the Limitations](https://princekumar-engineer.hashnode.dev/where-rag-fails-understanding-the-limitations?utm_source=hashnode&utm_medium=feed) RAG helps LLMs answer questions using external knowledge, but it does not make them always correct. 8 min read · [princekumar-engineer.hashnode.dev](https://princekumar-engineer.hashnode.dev/where-rag-fails-understanding-the-limitations?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/where-rag-fails-understanding-the-limitations/6a567fa974d097f15b3ec8d8) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 10](https://hashnode.com/posts/react-hooks-masterclass-usestate-useeffect-and-custom-hooks/6a51108d7ab23ebec19ea26b) ### [React Hooks Masterclass: useState, useEffect, and Custom Hooks](https://nodej.hashnode.dev/react-hooks-masterclass-usestate-useeffect-and-custom-hooks?utm_source=hashnode&utm_medium=feed) Introduction How does React remember information between renders? Imagine clicking a button that increases a counter. The component function runs again after every click, yet React somehow remembers t 11 min read · [nodej.hashnode.dev](https://nodej.hashnode.dev/react-hooks-masterclass-usestate-useeffect-and-custom-hooks?utm_source=hashnode&utm_medium=feed) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 10](https://hashnode.com/posts/next-js-explained-why-it-became-the-default-react-framework/6a510e7d3b437d757ab27335) ### [Next.js Explained: Why It Became the Default React Framework](https://html-dev09.hashnode.dev/next-js-explained-why-it-became-the-default-react-framework?utm_source=hashnode&utm_medium=feed) The question that started it all If React is so popular, why was Next.js created? React solved a real problem: building complex, interactive user interfaces out of small, reusable, declarative compone 19 min read · [html-dev09.hashnode.dev](https://html-dev09.hashnode.dev/next-js-explained-why-it-became-the-default-react-framework?utm_source=hashnode&utm_medium=feed) [Shivanshu Agrawal](https://hashnode.com/@shivanshuagrawal) · [Jul 1](https://hashnode.com/posts/how-chatgpt-becomes-your-girlfriend/6a453e2b01de7628582e3ef9) ### [How ChatGPT becomes Your Girlfriend](https://tech-blogs-shivanshu.hashnode.dev/how-chatgpt-becomes-your-girlfriend?utm_source=hashnode&utm_medium=feed) This article helps in getting a high level view of how a LLM works, from prompts to tokenization and embeddings with Transformers 4 min read · [tech-blogs-shivanshu.hashnode.dev](https://tech-blogs-shivanshu.hashnode.dev/how-chatgpt-becomes-your-girlfriend?utm_source=hashnode&utm_medium=feed) [Arpan Sarkar](https://hashnode.com/@arpan7sarkar) · [Jun 30](https://hashnode.com/posts/how-chatgpt-understands-your-questions/6a43a5932af8aa537cae5837) ### [How ChatGPT Understands Your Questions?](https://arpansarkar.hashnode.dev/how-chatgpt-understands-your-questions?utm_source=hashnode&utm_medium=feed) You type. It understands. But how? No magic, no consciousness just math so clever it feels like thinking. Here's what actually happens inside ChatGPT 5 min read · [arpansarkar.hashnode.dev](https://arpansarkar.hashnode.dev/how-chatgpt-understands-your-questions?utm_source=hashnode&utm_medium=feed) [Rochak Tiwari](https://hashnode.com/@rochaktiwari) · [Apr 9](https://hashnode.com/posts/javascript-modules-import-and-export-explained/69d82438bc6aa0bb96a0a100) ### [JavaScript Modules: Import and Export Explained](https://understandingwebdevelopment.hashnode.dev/javascript-modules-import-and-export-explained?utm_source=hashnode&utm_medium=feed) Structuring Code for Scalability and Maintainability 5 min read · [understandingwebdevelopment.hashnode.dev](https://understandingwebdevelopment.hashnode.dev/javascript-modules-import-and-export-explained?utm_source=hashnode&utm_medium=feed) [Rochak Tiwari](https://hashnode.com/@rochaktiwari) · [Mar 13](https://hashnode.com/posts/understanding-object-oriented-programming-in-javascript/69b4973904b1b913ad13c8e6) ### [Understanding Object-Oriented Programming in JavaScript](https://understandingwebdevelopment.hashnode.dev/understanding-object-oriented-programming-in-javascript?utm_source=hashnode&utm_medium=feed) Object-Oriented Programming (OOP) in JavaScript: A Complete Beginner Guide 7 min read · [understandingwebdevelopment.hashnode.dev](https://understandingwebdevelopment.hashnode.dev/understanding-object-oriented-programming-in-javascript?utm_source=hashnode&utm_medium=feed) [Sudhanshu Mundhe](https://hashnode.com/@Sudhanshu17) · [Mar 13](https://hashnode.com/posts/understanding-objects-in-javascript/69b452cd210c74252f82bbde) ### [Understanding Objects in JavaScript](https://sudhanshu17.hashnode.dev/understanding-objects-in-javascript?utm_source=hashnode&utm_medium=feed) Objects in JavaScript 5 min read · [sudhanshu17.hashnode.dev](https://sudhanshu17.hashnode.dev/understanding-objects-in-javascript?utm_source=hashnode&utm_medium=feed)