Ashutosh Sarangi articles - 56 total
Gen AI, RAGS, CAG, Fine tuning, VectorDB, LangChain, LangSmith, LangGraph, Lang Flow, MCP, AI Agents, Agentic RAG
What is an LLM? A Large Language Model (LLM) is an instance of a foundation model, applied...
DSA Study map + Revise All
Every day Time Table Sun : Javascript, Html, Css Mon, Tues, Wed...
Introduction to Gen AI
What is GenAI? Generative AI (GenAI) refers to artificial intelligence systems capable of...
Client-Side Rendering (CSR) vs. Server-Side Rendering (SSR), Hydration and Selective Hydration
Hydration Process in Terms of React, HTML, CSS, and JavaScript Hydration in React refers...
When You Open a Website What Exactly happens Internally
Introduction:- When you load a webpage like amazon.in, a complex sequence of steps happens between...
Top 6 Types of Queues in Node.js You Should Know
Introduction Node.js is widely celebrated for its non-blocking, asynchronous architecture, making it...
Create Server in node under the hood
The image appears to be a conceptual diagram explaining how a Node.js server processes incoming...
Node Under the hood
Introduction: As we all know we use Node.js mostly for Servers for our applications, Which use...
Algo:: Tree Sum Should Match the Target
LeetCode 112. Path Sum easy problem . Question Given the root of a binary tree and an integer...
Expert Javascript Interview Preparation
1. What are tradeoff in Event Delegation 2. What are Workers 3. Web Storage 4. HTTP methods 5....
Twitter Like News Feed UI System Design
Here we are going to HLS for Twitter like News Feed System. 1. Requirement It should loaded from...
Advance React Interview Question and Answer
1. controlled vs uncontrolled component In React, there are two types of form inputs: Controlled...
Performance Impact Using Context API
Performance impact on Context-API? UI components where the context is consumed is going to be...
Unit Testing For Your Redux, React
Introduction To test the Redux Toolkit store, you can use the configureStore function...
React Component Testing using React Testing Library
Recently I adopted component testing in one of my react application using react-testing...
React Interview Preparation
1. What is Difference between useState & useRef ? Ans:- useState is used to declare a state...
React Unit Testing using Vitest
Introduction Types of Testing Unit Testing Component Testing Integration Testing E2E...
React Hook in Class Component
Introduction In some scenarios lets assume you have to, use React hook concept in react...
HTTP/1 vs HTTP/2 vs HTTP3
Introduction This is one of my favorite topics, and this would be a knowledge-heavy...
Grid and Flex Layout in CSS
Introduction FlexBox and grid layout are both powerful layouts. Flexbox: Flexbox is a...
Image Optimization in Any Web Apps / Mobile Apps
Advanced Image Optimization in React: Leveraging Intersection Observer 1....
Implementing Internal Analytics Like Google Analytics Using JavaScript
Introduction In today's data-driven world, understanding user behavior is crucial for...
Web Worker Vs Service Worker
Introduction When I first heard about these terms I thought, okay they are doing around...
A Deep Dive into React's Optimization Algorithms & Process
Here’s a breakdown of the key algorithms that power React: 1. Diffing Algorithm The...
React + Typescript Quick Adoption (Not With any 😅😅😅)
What would be your approach to type script adaptation if you have some old code base with...
Two Pointer - Common Time Slot Algorithm Using Javascript
When there is a problem related to finding a common slot between 2 people. you can use the 2-pointer...
Hash Map using Javascript
Introduction A Hash Map, also known as a Hash Table, is a data structure that implements...
LRU Cache Implementation using Javascript
Introduction LRU stands for Least Recently Used. An LRU cache is a type of cache in which...
Infinite Scrolling Demo with Intersection Observer, React, and `useRef`
Introduction This project demonstrates an infinite scrolling implementation using the...
Increase Your Web App Performance By 20-30%, Even more
Web Vitals FCP (First Contentful Paint) (Response Quick) LCP (Largest Contentful Paint) (get to...