All Hard Articles

Pollution Control by Identifying Potential Land for Afforestation – Python Project

The program aims at controlling the pollution in a given area by suggesting the number of trees and the areas where they should be planted.… Read More

ProGeek 2021

ProGeek

Project

Python

Print rectangular pattern with given center

Given 3 positive integer c1, c2 and n, where n is size of 2-D square matrix. The task is to print the matrix filled with… Read More

pattern-printing

DSA

Mathematical

School Programming

Maximize sum that can be obtained from two given arrays based on given conditions

Given two arrays A[] and B[] each of size N, the task is to find the maximum sum that can be obtained based on the… Read More

Arrays

C Language

C Programs

DSA

Dynamic Programming

Mathematical

How to Resolve App Crashes in Android Studio?

While developing applications in Android Studio we might encounter many errors while writing code in the editor. We know that there’s an error since the… Read More

Android-Studio

Android

Minimum number of flips required such that a Binary Matrix doesn’t contain any path from the top left to the bottom right consisting only of 0s

Given a binary matrix mat[][] of dimensions N*M, the task is to find the minimum number of flips required from the given binary matrix such… Read More

array-rearrange

DFS

DSA

Graph

Mathematical

Matrix

Recursion

How to specify minimum &maximum number of characters allowed in an input field in HTML ?

In this article, we will learn how to specify the minimum and maximum of characters allowed in an input field in HTML. Given an input… Read More

HTML-Attributes

HTML-Questions

HTML

Web Technologies

How to add drag behavior in kivy widget ?

In this article, we will develop a GUI window using kivy framework of python, and we will add a Label having drag behavior on this… Read More

Python-kivy

Python

LockPhish – Phishing Tool in Kali Linux

LockPhish is the first phishing tool to use an HTTPS link to steal Windows credentials, Android PINs, and iPhone Passcodes. LinuxChoice is the company that… Read More

Kali-Linux

Linux-Tools

Linux-Unix

Delete rows in PySpark dataframe based on multiple conditions

In this article, we are going to see how to delete rows in PySpark dataframe based on multiple conditions. Method 1: Using Logical expression Here… Read More

Picked

Python-Pyspark

Python

Ignore Outliers in ggplot2 Boxplot in R

In this article, we will understand how we can ignore or remove outliers in ggplot2 Boxplot in R programming language. Removing/ ignoring outliers is generally… Read More

Picked

R-ggplot

R Language

Box plot in R using ggplot2

In this article, we are going to create a Boxplot with various functionality in R programming language using the ggplot2 package. For data distributions, you… Read More

Picked

R-ggplot

R Language

Count of non co-prime pairs from the range [1, arr[i]] for every array element

Given an array arr[] consisting of N integers, the task for every ith element of the array is to find the number of non co-prime… Read More

euler-totient

HCF

prefix-sum

Arrays

DSA

Mathematical

PostgreSQL – Backup Database

All commercial firms and corporations are never 100% free of data threats. Being wary of scenarios like data corruption, host or network failures or even… Read More

Picked

postgreSQL-managing-database

PostgreSQL

How to Change Page Color in MS Word?

In today’s date creating a handwritten and lengthy document is very time-consuming and also difficult to store for a longer time. Microsoft overcomes this problem… Read More

Class 6

School Learning

School Programming

How to Convert a Document to PDF using MS Word?

Microsoft Word is a software tool that makes our document more attractive and beautiful with the help of different types of fonts, colors, styles, animations,… Read More

Class 6

School Learning

School Programming

Rearrange the Array to maximize the elements which is smaller than both its adjacent elements

Given an array arr[] consisting of N distinct integers, the task is to rearrange the array elements such that the count of elements that are… Read More

array-rearrange

Arrays

DSA

Searching

Hashedin by Deloitte Interview Experience for Trainee + Software Engineer Role | Off-Campus 2021

Step 1: Initially, I filled a google form that said, “HashedIn – Freshers Registration Form” on 26th May 2021. Step 2: On June 4, I… Read More

Hashedin

Marketing

Off-Campus

Experiences

Interview Experiences

Check whether Matrix T is a result of one or more 90° rotations of Matrix mat

Given two 2D matrices mat[][] and T[][] of size M×N and P×Q respectively. The task is to check whether the matrix T[][] is a result… Read More

rotation

Arrays

DSA

Matrix

How to Create Bar Chart using React Bootstrap ?

A bar plot or bar chart is a graph that represents the category of data with rectangular bars with lengths and heights that is proportional… Read More

Picked

React-Bootstrap

Bootstrap

ReactJS

Web Technologies

How to include Social Media Icons in HTML ?

If you want to attach icons then you need a font-awesome CDN link. Social media could be very helpful in promoting and advertising your website.… Read More

CSS-Questions

HTML-SVG

icon resources

Picked

HTML

Web Technologies