All Basic Articles

Kernel in Operating System

Kernel is central component of an operating system that manages operations of computer and hardware. It basically manages operations of memory and CPU time. It… Read More

GATE CS

Operating Systems

Types of Virtual Machines

In this article, we will study about virtual machines, types of virtual machines, and virtual machine languages. Virtual Machine is like fake computer system operating… Read More

Operating Systems

Critique of OSI Model and Protocols

Open System Interconnection (OSI) model is reference model that is used to describe and explain how does information from software application in one of computers… Read More

Computer Networks

Find maximum GCD value from root to leaf in a Binary tree

Given a Binary Tree, the task is to find the maximum value of GCD from any path from the root node to the leaf node.… Read More

Binary Tree

Data Structures

Data Structures-Tree Traversals

GCD-LCM

Preorder Traversal

Traversal

Tree Traversals

tree-traversal

DSA

Greedy

Recursion

Tree

Context in React

In this article, you will be introduced to React Context, one of the latest features in React Applications. Prerequisites: ReactJS-Basics, Typescript(with Interfaces), ES6 notation What… Read More

JavaScript

ReactJS

Web Technologies

Moment.js isBefore() Function

It is used to check whether a date is before a particular date in Node.js using the isBefore() function that checks if a moment is… Read More

Moment.js

Node.js

Web Technologies

What is Amazon Machine Image (AMI)?

An Amazon Machine Image is a special type of virtual appliance that is used to instantiate (create) a virtual machine within EC2. It serves as… Read More

AWS

Cloud-Computing

Amazon Web Services

Mathematics Tricks For Competitive Programming In Python 3

Here are some of the exciting features that Python 3.8 provides for programmers in competitive programming. These new features are related to some math functions… Read More

python-basics

Python-Built-in-functions

DSA

Mathematical

Python

A Hello World App using Flutter

Flutter is an app SDK for building high-performance, high-fidelity apps for iOS, Android, Web(beta), and desktop(technical preview) from a single codebase written in Dart Language.… Read More

Flutter

Dart

Misc

Planning Guidelines in Software Engineering

Planning guidelines are generally written statement that contains guidance to be referred before any development and establishing take place of a project. Planning guidelines are… Read More

Software Engineering

Classification of Computer Network on basis of Architecture

Computer networks are usually developed to fulfil needs of their clients and users. Network architecture generally refers to design of computer network or communications network.… Read More

Computer Networks

Difference between Data Warehouse and Hadoop

1. Data Warehouse : It is a technique for gathering and managing information from different sources to supply significant commercial enterprise insights. A Data warehouse… Read More

DBMS

Difference Between

Draw moving object using Turtle in Python

Prerequisite: Python Turtle Basics Turtle is an inbuilt module in python. It provides drawing using a screen (cardboard) and turtle (pen). To draw something on… Read More

Python-projects

Python-turtle

Python

How to find the first and last character of a string in Java

Given a string str, the task is to print the first and the last character of the string. Examples: Input: str = “GeeksForGeeks” Output: First:… Read More

Java-String-Programs

DSA

Java Programs

Strings

How to skip over an element in .map() ?

In this article, we will discuss the methods to skip over elements in a map. The map() function in JavaScript is used to generate a… Read More

JavaScript-Questions

JavaScript

Web Technologies

Make a div horizontally scrollable using CSS

In this article, we will learn how to design a horizontally scrollable div using CSS, & will see its implementation through the example. We can… Read More

CSS-Questions

CSS

Web Technologies

Python MongoDB – find_one_and_delete query

MongoDB is a cross-platform document-oriented and a non relational (i.e NoSQL) database program. It is an open-source document database, that stores the data in the… Read More

Python-mongoDB

Python

JavaScript Number NaN Property

In JavaScript, NaN stands for Not a Number. It represents a value that is not a valid number. It can be used to check whether… Read More

JavaScript-Properties

Picked

JavaScript

Web Technologies

Count of subsequences consisting of the same element

Given an array A[] consisting of N integers, the task is to find the total number of subsequence which contain only one distinct number repeated… Read More

cpp-map

frequency-counting

subsequence

Arrays

DSA

Hash

Mathematical

SDH Full Form

SDH stands for Synchronous Digital Hierarchy and it refers to a multiplex technology used in the telecommunication. Synchronous Optical Network is internationally used and is… Read More

Computer Subject

Digital Logic

Full Form