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Blog
A collection of articles on development, design, ideas, and tech news.
Data Preprocessing Techniques for Machine Learning Success
Learn data preprocessing and grid search techniques to improve machine learning model performance, accuracy, and reliability. Essential steps and methods
Merge Sort Algorithm Explained with Recurrence Analysis
Explore Merge Sort, a divide and conquer algorithm that efficiently sorts arrays using merging, recursion, recurrence relations, and O(n log n) complexity.
Mastering React useState Hook for State Management
Learn how to use the React useState Hook to manage state in function components. Understand how to initialize, update, and track state with examples and...
LangChain vs Vector Databases: Key Differences explained
LangChain vs Vector Database: Understanding the Difference in Modern AI Applications As AI applications powered by Large Language Models (LLMs) continue to
Git for Beginners with Essential Commands | Notehub
Git for Beginners: Basics and Essential Commands Now, let’s understand Git and VCS. When I started learning web development, managing my code felt chaotic.
Understanding the Use of Props in React Components
Learn how to use props to pass data from parent to child components, making them dynamic, reusable, and configurable. Discover the importance of props in
Day 3 of learning react js
Day-3 of Learning React.js 📘 Step-by-Step Explanation 1. Imports import React, { useState } from "react"; React → allows you to write JSX (HTML-like code
day 1 of learning react: my first app and key takeaways
start your react journey with day 1 of learning react, building your first app, and understanding key concepts like state, components, and event handling
REST API Basics and Methods Explained - Notehub App
Learn about REST API, its methods and uses in web development for communication between systems over the internet with rest api
Time Series Forecasting With ARIMA Models | Notehub
Learn time series forecasting with ARIMA models to predict future trends, uncover patterns, and support smarter strategic planning.
DAA PYQ: Order of Growth and Quicksort Algorithm | Notehub
Learn about the order of growth of functions and the Quicksort algorithm in DAA PYQ. Understand how to compare functions asymptotically and the time...
Quantitative Aptitude
Quantitative Aptitude – Practice Questions How many words can be formed from the letters of a word such that the vowels are never together? Simplify: Two n
Solving Logrithm Problems Made Easy Online | Notehub
Learn to solve logrithm problems with easy steps and examples, understand the concept of logrithm and its applications in math
Confusion Matrix Explained: Precision, Recall & F1
Learn how the Confusion Matrix works in Machine Learning, including Precision, Recall, F1 Score, Accuracy, TP, TN, FP, and FN with examples.
Deep Dive in Hook
React Hooks Hooks let you use different React features from your components. You can either use the built-in Hooks or combine them to build your own. This
how a browser works: a beginner's guide to browser internals
learn how a web browser works, from networking to rendering pixels on your screen. a beginner-friendly guide to browser internals and its main parts.
DBMS Syllabus: Database System Concepts - Notehub App
Explore DBMS syllabus covering database concepts, ER model, relational model, SQL, transaction management and more dbms topics
Understanding Strings in Programming Languages: Data Type
Learn about strings in various programming languages, including C++, Java, Python, and JavaScript. Discover how to create, access, and manipulate strings
Y2038 Problem: Why Some Computers May Reset to 1901
Y2038 problem causes 32-bit Unix timestamp overflow on January 19, 2038. Learn which systems are at risk and why this time bug matters.
How to Secure APIs with Controllers and Middleware
Learn how to secure APIs using clean controllers, reusable middleware, JWT auth, validation, rate limiting, and secure Express architecture.
Data Modelling: A Comprehensive Guide to Data Structure and
Learn the importance of data modelling in data science, its types, and how it improves data quality, accuracy, and integration.
What is ref in React?
What is ref in React? A ref is a way to directly access a DOM element or store a mutable value that does NOT cause re-render when it changes. In modern Rea
TCP vs UDP Explained: Roles and Relationship with HTTP
TCP vs UDP Explained: Understanding Their Roles and Relationship with HTTP Before We Start: Why Do These Rules Exist? Before jumping into TCP and UDP, let’
Fenwick Tree (Binary Indexed Tree) Explained with Code
Learn how Fenwick Tree works using LSB and binary representation to handle prefix sums and range queries in O(log n) with C++ code examples.