All Hard Articles

The Evolution of Programming Languages

Programming Language is indeed the fundamental unit of today’s tech world. It is considered as the set of commands and instructions that we give to… Read More

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Programming Language

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SearchView in Android with RecyclerView

Many apps represent data in the form of huge lists and for filtering these lists we have seen the SearchView present inside these apps. So… Read More

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Android

Java

Kotlin

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Shor’s Factorization Algorithm

Shor’s Factorization Algorithm: Shor’s Factorization Algorithm is proposed by Peter Shor. It suggests that quantum mechanics allows the factorization to be performed in polynomial time,… Read More

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Algorithms

Articles

DSA

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Check if a string can be made equal to another string by swapping or replacement of characters

Given two strings S1 and S2, the task is to check if string S1 can be made equal to string S2 by swapping any pair… Read More

frequency-counting

DSA

Greedy

Sorting

Strings

Sum of distances of all nodes from a given node

Given a Binary Tree and an integer target, denoting the value of a node, the task is to find the sum of distances of all… Read More

Binary Tree

DFS

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Tree Traversals

DSA

Mathematical

Recursion

Searching

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Tree

Program to calculate dot product of ancestors of 2 given nodes

Given two Binary trees and two integer keys K1, K2 where both K1, K2 can be present in the same tree or in different trees.… Read More

Binary Tree

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Arrays

DSA

Mathematical

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Tree

How to add time delay in Python?

In this article, we are going to discuss how to add delay in Python. How to add Time Delay? In order to add time delay… Read More

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Python time-module

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Python

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Add space between histogram bars in Matplotlib

Matplotlib is a plotting library in Python programming language and it’s by default numerical mathematics extension of NumPy library in python language. While programming in… Read More

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Python-matplotlib

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Python

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How to calculate and plot a Cumulative Distribution function with Matplotlib in Python ?

Prerequisites: Matplotlib Matplotlib is a library in Python and it is a numerical — mathematical extension for the NumPy library. The cumulative distribution function (CDF)… Read More

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Python-matplotlib

Python

Draw lines at the respective positions clicked by the mouse using Turtle

In this article, we will learn how to draw lines at any position which is clicked by the mouse using a turtle module. Turtle graphics: … Read More

Python-turtle

Python

Pig Game Design using JavaScript

In this article, we will be explaining the steps and various logic required in making of the famous Pig Game, which is a virtual dice… Read More

JavaScript-Projects

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JavaScript

Technical Scripter

Web Technologies

How to use onKeyPress event in ReactJS?

The onKeyPress event in ReactJS occurs when the user presses a key on the keyboard but it is not fired for all keys e.g. ALT,… Read More

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ReactJS

Web Technologies

Build a Site Bookmark App With JavaScript by using Local Storage

In this article, we will create a Site Bookmark app using HTML, CSS, and JavaScript. This will help us to store links to our favorite… Read More

HTML5

JavaScript-Projects

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JavaScript

Technical Scripter

Web Technologies

React Developer Tools

React Developer Tools: React Developer Tools is a Chrome DevTools extension for the React JavaScript library. A very useful tool, if you are working on… Read More

React-Questions

JavaScript

ReactJS

Web Technologies

JavaScript Helper Methods

An array in JavaScript is usually considered a “list-objects”. In simple words, we can say an array is an object that contains some values. But… Read More

JavaScript-Methods

JavaScript

Web Technologies

How to get the number of lines in a file using PHP?

Given a file reference, find the number of lines in this file using PHP. There are a total of 3 approaches to solve this. test.txt:… Read More

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Technical Scripter 2020

PHP

Technical Scripter

Web Technologies

Lifting State up in ReactJS

Prerequisite: ReactJs, State, Props Lifting up the State: As we know, every component in React has its own state. Because of this sometimes data can… Read More

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ReactJS

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Web Technologies

Slider Date Picker in Android

Slider Date Picker is one of the most popular features that we see in most apps. We can get to see this Slider date picker… Read More

Android-Date-time

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Android

Java

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Fabric.js Image Width Property

Fabric.js is a JavaScript library that is used to work with canvas. The canvas image is one of the class of fabric.js that is used… Read More

Fabric.js

JavaScript

Web Technologies

How to Add Multiple Markers on Google Maps in Android?

Google Map is used in most of the apps which are used to represent many locations and markers on Google Maps. We have seen markers… Read More

android

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Android

Java

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