All Hard Articles

What is Message Buffering?

Remote Procedure Call (RPC) is a communication technology that is used by one program to make a request to another program for utilizing its service… Read More

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Computer Subject

Geeks Premier League

How to Create a Dynamic Web Project in Eclipse/Spring Tool Suite?

Eclipse is an Integrated Development Environment (IDE) used in computer programming. It includes a base workspace and an extensible plug-in system for customizing the environment.… Read More

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Java-Spring

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Java

Nomenclature of Coordination Compounds

The ability of the transition metals to form the complexes is referred to as coordination compounds. This property is not only applicable to transition metal… Read More

Chemistry-Class-12

Coordination Compounds

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Inorganic-Chemistry

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Class 12

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School Chemistry

School Learning

GATE | CS 2022 | Question 37

Consider a simple undirected unweighted graph with at least three vertices. If A is the adjacency matrix of the graph, then the number of 3-cycles… Read More

How to Create an Expense Tracker in Excel?

Finance management plays an important role in an organization or in the personal finance of people’s life. In order to manage finances organizations have a… Read More

Excel - Advanced

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Excel

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How To

Count of Derangements of given Array with Repetition

Given an array arr[] of N numbers (N ≤ 20), the task is to find the number of Derangements of the array where array elements… Read More

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Arrays

Bit Magic

DSA

Dynamic Programming

Geeks Premier League

Spring – MVC Custom Validation

Prerequisites: Spring MVC, Spring MVC Validation It is necessary to validate user input in any web application to ensure the processing of valid data. The… Read More

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Java-Spring

Java-Spring-MVC

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Java

Generate a Sequence by inserting positions into Array based on corresponding String value

Given a string S of length N. The string consists only of letters ‘F’ and ‘B’. The task is to generate a sequence performing some… Read More

deque

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Arrays

DSA

Geeks Premier League

Pattern Searching

Introduction to Complex Analysis

Complex analysis is a branch of mathematics that deals with complex numbers, their functions, and their calculus. In simple terms, complex analysis is an extension… Read More

Maths

Computer Subject

Engineering Mathematics

What is Passive-Interface Command Behavior in RIP, EIGRP & OSPF?

Routing protocols specify how routers talk to each other to exchange information about routes within the same system. This communication happens by sending all or… Read More

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Computer Networks

Computer Subject

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Zoho Interview Experience (Off-Campus) 2+ Year Experienced

I am a Software Engineer with 2+ yr of experience. I had an off-campus round of Zoho. I got rejected in the third round of… Read More

Experiences

Interview Experiences

Find a number with least sum of bit differences from given Array

Given an array arr[] and an integer L which represents the number of bits to be considered in bit representation of an array element. The… Read More

Arrays

Maths

Bit Magic

DSA

Greedy

Mathematical

Chessboard – Basics Terminologies & Practice Questions

Chess is a famous game as well as a good topic to be asked in the exam. Basic Terminologies of Chess: This is a two-player… Read More

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Misc

Maximize median of sequence formed by choosing at least one from adjacent pairs

Given an array Arr[ ] of N integers where 1 ≤ N ≤ 105. The task is to choose any number of elements from the… Read More

Binary Search

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subsequence

Arrays

DSA

Dynamic Programming

Geeks Premier League

Mathematical

Searching

Event Ordering in Distributed System

In this article, we will look at how we can analyze the ordering of events in a distributed system. As we know a distributed system… Read More

Distributed System

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Computer Networks

Geeks Premier League

Minimize rows to be made zero for last column sum to be at most any one column

Given an N * M matrix mat[][] consisting of non-negative integers. In one operation, select any row and change all elements to 0. The task… Read More

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DSA

Geeks Premier League

Greedy

Matrix

Minimize supply of Corona Vaccines for N houses if a vaccine is sufficient for immediate neighbours

Geek has developed an effective vaccine for the Coronavirus and he wants each of the N houses in Geek Land to have access to it.… Read More

Binary Tree

DSA

Dynamic Programming

Tree

Selective Acknowledgments (SACK) in TCP

When a packet loss is detected in TCP communication between client and server, the next step is to recover the lost data packet. There are… Read More

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Computer Networks

Computer Subject

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Implement Nested Routes in React.js – React Router DOM V6

Nested routes in React JS are implemented using the outlet in React Router Dom. Routing in React not only provides routing for the pages but… Read More

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React-Questions

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ReactJS

Web Technologies

What are the differences between Redux and Flux in ReactJS ?

During the phase of applications or software development, we gather the requirements of customers to create a solution to solve the problem of customers or… Read More

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React-Questions

ReactJS

Web Technologies