NoteHub — Explore Public Notes

Aditya Sahu
Aditya Sahu · @adidev

The ERA of AI Revolution / LangChain vs Vector Database

LangChain vs Vector Database: Understanding the Difference in Modern AI ApplicationsAs AI applications powered by Large Language Models (LLMs) continue to grow, two terms frequently appear in discussi

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Aditya Sahu
Aditya Sahu · @adidev

The ERA of AI Revolution / Can You Build Your Own LLM? Costs, Challenges & Smarter Alternatives

Can You Build Your Own LLM? 🤔Should You Build Your Own Large Language Model? A Complete GuideYes, building your own LLM (Large Language Model) is absolutely possible — but the answer depends heavily

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Aditya Sahu
Aditya Sahu · @adidev

The ERA of AI Revolution / What is Retrieval Augmented Generation

What is RAG? A Beginner-Friendly Guide to Retrieval-Augmented GenerationArtificial Intelligence has evolved rapidly over the last few years, especially with the rise of Large Language Models (LLMs) li

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Aditya Sahu
Aditya Sahu · @adidev

The ERA of AI Revolution / The Y2038 Problem

The Y2038 Problem: The Next Time Bug That Could Break Old ComputersOn January 19, 2038, at exactly 03:14:07 UTC, some computers around the world may suddenly believe it’s December 13, 1901.That sounds

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Naveen Kumar
Naveen Kumar · @naveen09

React / React.js: useState, Controlled Inputs & Form Handling

Master React state and forms on Day 2! Learn how to use the useState hook, manage controlled inputs, and handle form submissions without page refreshes.

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Abhijeet Singh Rajput
Abhijeet Singh Rajput · @abhijeetsingh

AI Ml / Statistics for Machine Learning: Numerical With Solutions

Statistics numericals for ML and Data Science — mean, median, mode, standard deviation, variance, quartiles, and skewness with step-by-step solutions.

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Abhijeet Singh Rajput
Abhijeet Singh Rajput · @abhijeetsingh

DSA / Square Root Decomposition Explained | Notehub Official

Learn square root decomposition with a complete C++ implementation. Covers range queries, point updates, and when to use it over a segment tree.

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Abhijeet Singh Rajput
Abhijeet Singh Rajput · @abhijeetsingh

DSA / Segment Tree: Use Cases, Examples, and Applications

Learn how to use Segment Trees for range queries, point updates, and more. Discover examples, use cases, and applications of Segment Trees in competitive

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Abhijeet Singh Rajput
Abhijeet Singh Rajput · @abhijeetsingh

DSA / Segment Tree Problems in C++: Range Queries & Updates

Solve segment tree problems in C++ with range sum, range min, frequency queries, and lazy propagation. Full code, traced examples, and complexity analysis.

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Abhijeet Singh Rajput
Abhijeet Singh Rajput · @abhijeetsingh

Blog By Abhijeet Singh Rajput / Pretext JS: 500x Faster Text Rendering Without Reflows

What is Pretext JS? How It Fixes Browser Reflow and Makes Text 500x FasterCSS isn’t dead… but one of its biggest limitations just got exposed.For the last

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