All Hard Articles

How to Create Circular Determinate ProgressBar in Android?

In this article, we are going to demonstrate how to create a circular progress bar in Android Studio that displays the current progress value and… Read More

Android-Bars

Android

Java

java.nio.file.FileStore Class in Java

Java.nio.file is a package in java that consists of the FileStore class. FileStore class is a class that provides methods for the purpose of performing… Read More

Java-Classes

Java-FileStore

Java-NIO package

Picked

Java

Java Program to Sort the 2D Array Across Rows

This program is used to Sort the 2D array Across rows. We will use the concept of vector to sort each row. Vector Vector(): Creates… Read More

Java-Array-Programs

Picked

Java

Java Programs

Check if a Binary String can be sorted in decreasing order by removing non-adjacent characters

Given a binary string S of size N, the task is to check if the binary string S can be sorted in decreasing order by… Read More

binary-string

C++

C++ Programs

DSA

Sorting

Strings

Find the index in a circular array from which prefix sum is always non-negative

Given a circular array arr[] consisting of N integers, the task is to find the starting index of the circular array such that the prefix… Read More

circular-array

prefix-sum

Arrays

DSA

Mathematical

Sum of decimals that are binary representations of first N natural numbers

Given a positive integer N, the task is to calculate the sum of all decimals which can be expressed as binary representations of first N… Read More

binary-representation

Natural Numbers

setBitCount

Algorithms

Bit Magic

Competitive Programming

DSA

Mathematical

Print the names of the teams in increasing order of their rankings

Given a 2D array of strings arr[][4], representing the scores of M football matches played in a tournament involving N teams, the task is to… Read More

Python dictionary-programs

Arrays

DSA

Mathematical

Sorting

Strings

How to create PDF document in Node ?

Creating PDF documents in Node.js is a versatile and powerful task, allowing developers to generate dynamic and professional-looking documents. This article provides a comprehensive guide… Read More

NodeJS-Questions

Node.js

Web Technologies

Turn on or off Bulb using HTML & CSS

HTML frames are used to divide the browser window into multiple sections where each section loads a separate HTML document. In this project we are… Read More

Web Technologies

Web Templates

Implementing Edit Profile Data Functionality in Social Media Android App

This is the Part 3 of “Build a Social Media App on Android Studio” tutorial, and we are going to cover the following functionalities in… Read More

Firebase

Android

Java

How to Add Share Button in Toolbar in Android?

In this article, we are going to create a simple Share Button in the Toolbar in Android. The Share Button is used to share information… Read More

Android

Java

How to Put WiFi Interface into Monitor Mode in Linux?

Before discussing what is Monitor mode and how do we change our WiFi mode into monitor mode from managed let’s discuss that how to establish… Read More

How To

Linux-Unix

StackView in Android

In this article, we are going to implement StackView in Android Studio. StackView is a widget that helps in arranging items in the form of… Read More

Android-View

Android

Java

p5.js loadShader() Method

The function loadShader() loads the shader from files and returns them as a p5 shader object in a variable. The file extension can be .glsl… Read More

JavaScript-p5.js

JavaScript

Web Technologies

find_by_order() in C++

The find_by_order() is a built-in function of Ordered Set which is a Policy Based Data Structure in C++. Policy-based data structures are not part of… Read More

cpp-advanced

cpp-set

Advanced Data Structure

Competitive Programming

DSA

Hash

Misc

Sorting

Introduction to Tableau

Tableau is a powerful tool used for data analysis and visualization. It allows the creation of amazing and interactive visualization and that too without coding.… Read More

Tableau-basics

Computer Subject

Tableau

Maximum time required for all patients to get infected

Given a matrix arr[][], consisting of only 0, 1, and 2, that represents an empty ward, an uninfected patient, and an infected patient respectively. In… Read More

BFS

Graph Traversals

DSA

Graph

Matrix

Misc

Searching

ReactJS Typechecking With PropTypes – Set 3

In the previous article ReactJS Typechecking With PropTypes – Set 2, we discussed instance validation, single and multiple data types validation, types and shapes validation,… Read More

ReactJS-Advanced

ReactJS

Web Technologies

Sliding Toggle Button in Android

In this article, we are going are build a very simple and interesting app “SlidingToggleButton” in Android Studio. Android Studio is really a great platform… Read More

Android-Button

Picked

Android

Java

Simple Genetic Algorithm (SGA)

Prerequisite – Genetic Algorithm Introduction : Simple Genetic Algorithm (SGA) is one of the three types of strategies followed in Genetic algorithm. SGA starts with… Read More

Genetic Algorithms

Machine Learning