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How to Eliminate Duplicate Values Based on Only One Column of the Table in SQL?

In SQL, some rows contain duplicate entries in a column. For deleting such rows, we need to use the DELETE keyword along with self-joining the… Read More

Picked

SQL-Query

SQL-Server

SQL

Bash Scripting – How to check If variable is Set

In BASH, we have the ability to check if a variable is set or not. We can use a couple of arguments in the conditional… Read More

Bash-Script

Picked

Linux-Unix

Optiva Framework – Web Application Vulnerabilities Scanner

Optiva Framework is an automated tool used as a Website Penetration tool for Information Gathering and Vulnerability Scanning. Optiva tool has the features of collecting… Read More

Kali-Linux

Linux-Tools

Linux-Unix

Inshackle – Tool for Instagram Hacks in Kali Linux

Inshackle – Instagram Hacks: is an open-source intelligence tool available freely on GitHub. Inshackle is written in bash language. Inshackle is used to perform reconnaissance… Read More

Kali-Linux

Linux-Tools

Linux-Unix

Print all subarrays with sum in a given range

Given an array arr[] of positive integers and two integers L and R defining the range [L, R]. The task is to print the subarrays… Read More

subarray

subarray-sum

Arrays

DSA

Count of index triplets (i, j, k) in given Array such that i<j<k and a[j]<a[k]<a[i]

Given an array arr[], the task is to count the number of triplets such that i < j <k and a[ j ]< a[ k… Read More

Arrays

DSA

Stack

What will happen if a Function is tried to return more than one value at a time?

Prerequisite: How to return multiple values from a function in C or C++? There are often cases of using return statements while dealing with function calls.… Read More

Functions

return

C Programs

C++ Programs

C/C++ Puzzles

Data Structures

DSA

GeeksQuiz

Program Output

Quizzes

What are Ad Hoc Problems in Competitive Programming?

The Ad Hoc problems are problems that cannot be classified anywhere else in the categories with well-studied solutions since each problem description and its corresponding… Read More

Blogathon-2021

Blogathon

Competitive Programming

DSA

Cognizant Interview Experience

Analyst Interview at Cognizant Application – I applied through college or university. I interviewed at Cognizant Genc Elevate 2021 Round 1(Skill Based Assessment): It will… Read More

Cognizant

Cognizant-interview-experience

Experiences

Interview Experiences

Samsung Interview Experience for SDE

Samsung(Chennai) takes interviews for SDE Fresher SEA Ecom Team. Round 1(1.5 hrs): Merge sort code Puzzle: Of 6 look alike balls, 3 are heavy and… Read More

Samsung

Experiences

Interview Experiences

Google Internship Interview Experience

I got call for interview by Kickstart, I participated in Kickstart 2019 round A and B and has secured rank 186 and 181 respectively. They… Read More

Google

Experiences

Internship

Interview Experiences

Amdocs Interview Experience 2021

Date: 29 Oct 2021 4:00 PM Round 1(Online Aptitude): Quantitative, Verbal Reasoning, Objectives on PL/SQL and Unix Coding and SQL: This section had 4 questions.… Read More

Amdocs

Experiences

Interview Experiences

ObjectAnimator in Android with Example

ObjectAnimator is a Subclass of ValueAnimator, which allows us to set a target object and object property to animate. It is an easy way to… Read More

Android

Introduction to LISP

Lisp is a programming language that has an overall style that is organized around expressions and functions. Every Lisp procedure is a function, and when… Read More

LISP-Basics

Picked

LISP

Spring – REST Controller

Spring Boot is built on the top of the spring and contains all the features of spring. And is becoming a favorite of developers these… Read More

Java-Spring

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Java

Java Program For Converting Array Into Zig-Zag Fashion

Given an array of DISTINCT elements, rearrange the elements of array in zig-zag fashion in O(n) time. The converted array should be in form a… Read More

Amazon

Paytm

Arrays

DSA

Java Programs

Python Program For Moving Last Element To Front Of A Given Linked List

Write a function that moves the last element to the front in a given Singly Linked List. For example, if the given Linked List is… Read More

Linked Lists

Python-Data-Structures

DSA

Linked List

Python

Python Programs

What is .htaccess file in PHP ?

The .htaccess (Hypertext Access) file is an Apache distributed server configuration file. You can use the .htaccess file to set server configurations for a specific… Read More

PHP-Questions

Picked

TrueGeek-2021

PHP

Web Technologies

Explain passport in Node.js

Passport is very easy to integrate NodeJs package, which is used for adding authentication features to our website or web app. For showing the use… Read More

NodeJS-Questions

Picked

JavaScript

MongoDB

Node.js

Web Technologies

Types of Network Protocols and Their Uses

Network protocols are a set of rules that are responsible for the communication of data between various devices in the network. These protocols define guidelines… Read More

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Computer Networks

Computer Subject