--- title: "#chaiaurcode-hiteshchoudhary-piyushgarg-genaicohort-genai-llm-personaprompting-geminiai-reactjs-nextjs-python-aichatbot-hashnode-promptengineering-vercel-hindienglishblog-devjourney articles | Hashnode" description: "Explore 250 articles tagged #chaiaurcode-hiteshchoudhary-piyushgarg-genaicohort-genai-llm-personaprompting-geminiai-reactjs-nextjs-python-aichatbot-hashnode-promptengineering-vercel-hindienglishblog-devjourney on Hashnode. Tutorials, guides, and how-tos from the community." url: "https://hashnode.com/tag/chaiaurcode-hiteshchoudhary-piyushgarg-genaicohort-genai-llm-personaprompting-geminiai-reactjs-nextjs-python-aichatbot-hashnode-promptengineering-vercel-hindienglishblog-devjourney" --- Tag # #chaiaurcode-hiteshchoudhary-piyushgarg-genaicohort-genai-llm-personaprompting-geminiai-reactjs-nextjs-python-aichatbot-hashnode-promptengineering-vercel-hindienglishblog-devjourney 250 posts · 6 followers [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/kafka-explained-like-you-re-5-events-partitions-and-consumer-groups/6a51134a7ed717bfddd719bc) ### [Kafka Explained Like You're 5: Events, Partitions, and Consumer Groups](https://html-dev09.hashnode.dev/kafka-explained-like-you-re-5-events-partitions-and-consumer-groups?utm_source=hashnode&utm_medium=feed) Introduction How does a large application process millions of events every day? Imagine a food delivery app during dinner time. Thousands of customers are placing orders, restaurants are accepting the 11 min read · [html-dev09.hashnode.dev](https://html-dev09.hashnode.dev/kafka-explained-like-you-re-5-events-partitions-and-consumer-groups?utm_source=hashnode&utm_medium=feed) [1](https://hashnode.com/posts/kafka-explained-like-you-re-5-events-partitions-and-consumer-groups/6a51134a7ed717bfddd719bc) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 10](https://hashnode.com/posts/how-react-works-internally-virtual-dom-reconciliation-and-rendering/6a5114c75afd8fe3d6d86513) ### [How React Works Internally: Virtual DOM, Reconciliation, and Rendering](https://html-dev09.hashnode.dev/how-react-works-internally-virtual-dom-reconciliation-and-rendering?utm_source=hashnode&utm_medium=feed) Introduction What actually happens when we call setState? You click a button. setCount(count + 1); The number on the screen changes instantly. But what happens behind the scenes? Does React rebuild 12 min read · [html-dev09.hashnode.dev](https://html-dev09.hashnode.dev/how-react-works-internally-virtual-dom-reconciliation-and-rendering?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) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 7](https://hashnode.com/posts/building-scalable-systems-caching-rate-limiting-and-observability/6a4d2eafad24172daa3d814d) ### [Building Scalable Systems: Caching, Rate Limiting, and Observability](https://nodej.hashnode.dev/building-scalable-systems-caching-rate-limiting-and-observability?utm_source=hashnode&utm_medium=feed) What Happens When Your Application Suddenly Gets One Million Users? Imagine this. You launch a new product after months of development. Marketing campaigns go live, influencers start talking about it, 11 min read · [nodej.hashnode.dev](https://nodej.hashnode.dev/building-scalable-systems-caching-rate-limiting-and-observability?utm_source=hashnode&utm_medium=feed) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 7](https://hashnode.com/posts/state-management-in-react-context-api-prop-drilling-react-memo-usememo-and-usecallback/6a4d3198c32aa93c726e5380) ### [State Management in React: Context API, Prop Drilling, React.memo, useMemo, and useCallback](https://nodej.hashnode.dev/state-management-in-react-context-api-prop-drilling-react-memo-usememo-and-usecallback?utm_source=hashnode&utm_medium=feed) Why Does Managing State Become Difficult as Applications Grow? Imagine you're building a simple React application. It starts with just a few components—a login page, a navigation bar, and a dashboard. 11 min read · [nodej.hashnode.dev](https://nodej.hashnode.dev/state-management-in-react-context-api-prop-drilling-react-memo-usememo-and-usecallback?utm_source=hashnode&utm_medium=feed) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 7](https://hashnode.com/posts/modern-next-js-routing-layouts-server-components-api-routes-server-actions/6a4d2a77128a854fe6b63b53) ### [Modern Next.js: Routing, Layouts, Server Components, API Routes & Server Actions](https://html-dev09.hashnode.dev/modern-next-js-routing-layouts-server-components-api-routes-server-actions?utm_source=hashnode&utm_medium=feed) The question that started it all Can a React application have both frontend and backend inside the same project? For most of React's history, the honest answer was "not really, not cleanly." A typical 25 min read · [html-dev09.hashnode.dev](https://html-dev09.hashnode.dev/modern-next-js-routing-layouts-server-components-api-routes-server-actions?utm_source=hashnode&utm_medium=feed) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 2](https://hashnode.com/posts/mastering-typescript-interfaces-generics-and-unions-explained/6a4619e066841b276299352d) ### [Mastering TypeScript: Interfaces, Generics, and Unions Explained](https://html-dev09.hashnode.dev/mastering-typescript-interfaces-generics-and-unions-explained?utm_source=hashnode&utm_medium=feed) If JavaScript Works, Why Was TypeScript Created? Here's a question worth sitting with: JavaScript runs the entire web. It powers billion-dollar companies, complex applications, and everything in betwe 16 min read · [html-dev09.hashnode.dev](https://html-dev09.hashnode.dev/mastering-typescript-interfaces-generics-and-unions-explained?utm_source=hashnode&utm_medium=feed) [Kanishka Shashi](https://hashnode.com/@Kshashi22) · [Jul 2](https://hashnode.com/posts/securing-apps-password-hashing-rbac-oauth-and-openid-connect/6a4615f07d90607b1335fce6) ### [Securing Apps: Password Hashing, RBAC, OAuth, and OpenID Connect](https://nodej.hashnode.dev/securing-apps-password-hashing-rbac-oauth-and-openid-connect?utm_source=hashnode&utm_medium=feed) Security is one of those things that's easy to bolt on badly and hard to retrofit well. Most applications end up needing to answer four separate questions: How do we store credentials safely? How do w 8 min read · [nodej.hashnode.dev](https://nodej.hashnode.dev/securing-apps-password-hashing-rbac-oauth-and-openid-connect?utm_source=hashnode&utm_medium=feed) [Agam arora](https://hashnode.com/@Agam007) · [Jul 1](https://hashnode.com/posts/how-chatgpt-understands-your-questions-reading-google-s-attention-is-all-you-need-paper/6a452d84d89b0c3e05bb7432) ### [How ChatGPT Understands Your Questions: Reading Google's "Attention Is All You Need" Paper](https://agamx.hashnode.dev/how-chatgpt-understands-your-questions-reading-google-s-attention-is-all-you-need-paper?utm_source=hashnode&utm_medium=feed) Have you ever wondered what actually happens between the moment you type a sentence into ChatGPT and the moment it talks back? This guide breaks down the core concepts—tokenization, embeddings, positi 6 min read · [agamx.hashnode.dev](https://agamx.hashnode.dev/how-chatgpt-understands-your-questions-reading-google-s-attention-is-all-you-need-paper?utm_source=hashnode&utm_medium=feed)