All Hard Articles

Sum of squares of differences between all pairs of an array

Given an array arr[] of size N, the task is to compute the sum of squares of differences of all possible pairs. Examples: Input: arr[]… Read More

Arrays

DSA

Mathematical

How to Update/Change Email from Firebase in Android?

In any app, we got a feature to login using our email and password. Sometimes it happens that we want to change our email or… Read More

Firebase

Android

Java

Shortest path from a source cell to a destination cell of a Binary Matrix through cells consisting only of 1s

Given a binary matrix mat[][] of dimensions of N * M and pairs of integers src and dest representing source and destination cells respectively, the… Read More

BFS

Technical Scripter 2020

Arrays

Backtracking

DSA

Graph

Matrix

Queue

Technical Scripter

Microsoft SDE Preparation Test Series By GeeksforGeeks

It is no secret that Microsoft is one of the dream companies of almost every individual who wants to make an enriching career in the… Read More

GFG-Online-Course

GFG-Update

GBlog

Microsoft Interview Experience for SDE-2

Round 1(Problem-Solving Round): Questions Linked list Render Dispatcher Aggregation and composition GPU Programming Trees, Binary tree, BST Convert a Binary Tree into its Mirror Tree… Read More

Microsoft

Experiences

Interview Experiences

Difference between LAMP, MAMP and WAMP stack

A Web Stack or Web application stack refers to a compilation of software that is together used to build websites or web applications. To construct… Read More

Apache

linux

mysql

Linux-Unix

Operating Systems

PHP

SQL

Web Technologies

JavaScript Promise finally() Method

The finally() method of the Promise object is used to return a Promise when a Promise is settled, that is, it is either fulfilled or… Read More

JavaScript-Methods

Picked

JavaScript

Web Technologies

Atomics in JavaScript

Atomics: Atomics is a JavaScript object which gives atomic tasks to proceed as static strategies. Much the same as the strategies for Math object, the… Read More

JavaScript-atomics

Picked

JavaScript

Web Technologies

How to convert angular 4 application to desktop application using electron ?

Using Electron JS, we can convert our existing angular project into a desktop application very easily. In this post, we will create a sample Angular… Read More

ElectronJS

Picked

AngularJS

JavaScript

Web Technologies

Create a plot with Multiple Glyphs using Python Bokeh

In this article, we will be learning about multiple glyphs and also about adding a legend in bokeh. Now bokeh provides us with a variety… Read More

Picked

Python-Bokeh

Python

OpenCV – Alpha blending and masking of images

Alpha blending is the process of overlaying a foreground image on a background image. We take these two images to blend : gfg.png apple.jpeg Steps… Read More

OpenCV

Picked

Python-OpenCV

Python

Materials in WebGL and p5.js

In this article, we will learn how to apply different types of material in WebGL. Light reflects off objects differently depending on their angle of… Read More

JavaScript-p5.js

WebGL-API

JavaScript

Programming Language

Web Technologies

Refraction of Light

Refraction is an important term used in the Ray Optics branch of Physics. Refraction of light is defined as the change in direction or the… Read More

Optics

Physics-Class-10

Ray-Optics

Class 10

School Learning

School Physics

How to integrate Mysql database with Django?

Django is a Python-based web framework that allows you to quickly create efficient web applications. It is also called batteries included framework because Django provides… Read More

mysql

Python Django

Python Framework

Python

Gibb’s Phenomenon Rectangular and Hamming Window Implementation

What is Gibb’s Phenomenon? Gibb’s Phenomenon in Digital Filter’s refer to the manner how a Fourier series of periodic functions behave near jump discontinuation, the… Read More

Misc

Python

Minimum cost path from source node to destination node via K intermediate nodes

Given a Graph consisting of N vertices and M weighted edges and an array edges[][], with each row representing the two vertices connected by the… Read More

priority-queue

C++

Competitive Programming

DSA

Graph

Mathematical

Queue

Searching

Technical Scripter

Maximum index a pointer can reach in N steps by avoiding a given index B | Set 2

Given two integers N and B, the task is to print the maximum index in an array that can be reached, starting from the 0th… Read More

Natural Numbers

Arrays

DSA

Greedy

Mathematical

Technical Scripter

Python program to print words from a sentence with highest and lowest ASCII value of characters

Given a string S of length N, representing a sentence, the task is to print the words with the highest and lowest average of ASCII… Read More

ASCII

python-list-functions

Competitive Programming

DSA

Mathematical

Python Programs

Searching

Strings

Technical Scripter

Netapp Interview Experience for Member of Technical Staff | On-Campus 2020

Round 1 Online Assessment 90min 3 Coding questions30 MCQs from OS, CN, Linux, DBMS, etc. Round 2 Zoom Video Call Technical Round 1 (50 min):… Read More

Netapp

Off-Campus

Experiences

Internship

Interview Experiences

Paytm Interview Experience for Software Engineer Intern | On-Campus 2020

College: Mtech from one of the top NIT (On Campus) Location: Gurgaon, India Date: 11 Nov 2020 Interview Process: Online Assessment: 3 Coding questions in… Read More

On-Campus

Paytm

Experiences

Internship

Interview Experiences