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#hiteshchoudharylco

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RPRiya Paulcodewithriya.hashnode.dev5d ago · 26 min read

Vectorless RAG: Can We Build RAG Without a Vector Database?

Have you ever opened a huge PDF, pressed Ctrl + F, typed exactly what you were looking for... and still ended up thinking: “Okay. But where is the actual answer?” That has happened to me more than onc

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SSSameer Selokarblogbysameer.hashnode.devSep 4 · 16 min read

Beyond Vector Databases: Understanding Vectorless RAG, PageIndex, and Wiki-Based AI Memory

Retrieval-Augmented Generation (RAG) has become one of the most common architectures for building AI systems that can answer questions using external knowledge. The basic idea is simple: Give an LLM

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 16 min read

Modern Next.js: Routing, Layouts, Server Components, API Routes & Server Actions

Can a React application have both a frontend and backend inside the same project? For a long time, the typical answer was to keep them separate: Frontend ↓ React ↓ REST API ↓ Backend ↓ Dat

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 19 min read

React Hooks Masterclass: useState, useEffect, and Custom Hooks

How does React remember information between renders? Consider a simple counter: function Counter() { const [count, setCount] = useState(0); return ( <button onClick={() => setCount(count + 1)

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 17 min read

How React Works Internally: Virtual DOM, Reconciliation, and Rendering

What actually happens when we call setState in React? We write something as simple as: setCount(count + 1); And somehow, React figures out what changed, updates the right part of the page, and the br

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 14 min read

Next.js Explained: Why It Became the Default React Framework

If React can already build modern web applications, why do we need Next.js? This is one of the first questions developers encounter when moving beyond basic React applications. React is powerful. It g

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 19 min read

Building Scalable Systems: Caching, Rate Limiting and Observability

What happens when your application suddenly gets 1 million users? Maybe everything works perfectly when you have 100 users. Then your application becomes popular. Suddenly: 100 users ↓ 1,000 users

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 16 min read

Kafka Explained Like You're 5: Events, Partitions, and Consumer Groups

How does a large application process millions of events every day? Think about a food delivery application. Every minute, thousands of things happen: User places an order Restaurant accepts the order

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 13 min read

React Fundamentals: Components, JSX, State, and Re-rendering

Why did developers create React when JavaScript already existed? JavaScript was already capable of manipulating the DOM, handling events, updating content, and creating interactive web pages. So why d

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SGSiddhant Gortetechwithsiddhant.hashnode.devAug 31 · 18 min read

Realtime Systems: Polling, WebSockets, SSE, and Pub/Sub

How does WhatsApp deliver a message almost instantly? You send a message to a friend. A moment later, their phone shows a notification. You open a live sports application, and the score changes withou

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Trending tags this week

Vectorless RAG: Can We Build RAG Without a Vector Database?

Beyond Vector Databases: Understanding Vectorless RAG, PageIndex, and Wiki-Based AI Memory

Modern Next.js: Routing, Layouts, Server Components, API Routes & Server Actions

React Hooks Masterclass: useState, useEffect, and Custom Hooks

How React Works Internally: Virtual DOM, Reconciliation, and Rendering

Next.js Explained: Why It Became the Default React Framework

Building Scalable Systems: Caching, Rate Limiting and Observability

Kafka Explained Like You're 5: Events, Partitions, and Consumer Groups

React Fundamentals: Components, JSX, State, and Re-rendering

Realtime Systems: Polling, WebSockets, SSE, and Pub/Sub