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Check if an array is sorted and rotated using Binary Search

Pre-requisite: Check if an array is sorted and rotated using Linear SearchGiven an array arr[] of N distinct integers, the task is to check if… Read More

Binary Search

Advanced Data Structure

Arrays

Binary Search Tree

Divide and Conquer

DSA

Java Programs

Recursion

Searching

Number of cards needed build a House of Cards of a given level N

Given a number N, the task is to find the number of cards needed to make a House of Cards of N levels. Examples: Input:… Read More

series

DSA

Mathematical

Count of subsets with sum equal to X using Recursion

Given an array arr[] of length N and an integer X, the task is to find the number of subsets with a sum equal to… Read More

subset

Arrays

DSA

Mathematical

Recursion

What are Threads in Computer Processor or CPU?

Threads are the virtual components or codes, which divides the physical core of a CPU into virtual multiple cores. A single CPU core can have… Read More

GATE CS

Operating Systems

getch() function in C with Examples

getch() is a nonstandard function and is present in conio.h header file which is mostly used by MS-DOS compilers like Turbo C. It is not… Read More

C Language

C Programs

Visibility Modes in C++ with Examples

When a base class is derived by a derived class with the help of inheritance, the accessibility of base class by the derived class is… Read More

access modifiers

C++-Inheritance

C++

MySQL-Connector-Python module in Python

MySQL is a Relational Database Management System (RDBMS) whereas the structured Query Language (SQL) is the language used for handling the RDBMS using commands i.e… Read More

Python-mySQL

Python

Connect MySQL database using MySQL-Connector Python

While working with Python we need to work with databases, they may be of different types like MySQL, SQLite, NoSQL, etc. In this article, we… Read More

Python-mySQL

Python

Python MySQL – Create Database

Python Database API ( Application Program Interface ) is the Database interface for the standard Python. This standard is adhered to by most Python Database… Read More

Python-mySQL

Python

Python MySQL – Drop Table

A connector is employed when we have to use MySQL with other programming languages. The work of MySQL-connector is to provide access to MySQL Driver… Read More

Python-mySQL

Python

Getting Instagram profile details using Python

Instagram is a photo and video-sharing social networking service owned by Facebook. In this article, we will learn how can we get Instagram profile details… Read More

Python web-scraping-exercises

Python-BS3

Web-scraping

Python

Python Tkinter – Checkbutton Widget

The Checkbutton widget is a standard Tkinter widget that is used to implement on/off selections. Checkbuttons can contain text or images. When the button is… Read More

Python-gui

Python-tkinter

Python

__getitem__() in Python

In Python, everything is an object. There are a lot of ‘ordinary’ system call methods on these objects behind the scene which is not visible… Read More

python-oop-concepts

Python

Python – Moving an object in PyGame

Pygame is a cross-platform set of Python modules designed for writing video games. It includes computer graphics and sound libraries designed to be used with… Read More

Python-PyGame

Python

GATE | GATE CS 2020 | Question 37

Let A and B be two n×n matrices over real numbers. Let rank(M) and det(M) denote the rank and determinant of a matrix M, respectively.… Read More

GATE

GATE | GATE CS 2020 | Question 32

Why Java is Partially OOP language? (A) It allows code to be written outside classes (B) It supports usual declaration of primitive data types (C)… Read More

GATE

Feistel Cipher

Feistel Cipher model is a structure or a design used to develop many block ciphers such as DES. Feistel cipher may have invertible, non-invertible and… Read More

cryptography

python-utility

Python

Technical Scripter

How to Get Local IP Address of System using PHP ?

IP (Internet Protocol) Address is an address of your network hardware. It helps in connecting your computer to other devices on your network and all… Read More

PHP-Misc

Picked

PHP

PHP Programs

Web Technologies

JavaScript Nullish Coalescing(??) Operator

Nullish Coalescing Operator is a new feature introduced in this ECMA proposal that has now been adopted into the official JavaScript Specification. This operator returns… Read More

javascript-operators

JavaScript

Node.js

Web Technologies

File uploading in React.js

File upload in React JS is an essential requirement while creating a complete application. File uploading means a user from a client machine wants to… Read More

React-Questions

ReactJS

Technical Scripter

Web Technologies