All Hard Articles
Maximize 3rd element sum in quadruplet sets formed from given Array
Given an array arr containing N values describing the priority of N jobs. The task is to form sets of quadruplets (W, X, Y, Z)… Read More
optimization-technique
Analysis of Algorithms
Arrays
DSA
Pattern Searching
Sorting
How to add User in Linux | useradd Command
useradd is a command in Linux that is used to add user accounts to your system. It is just a symbolic link to adduser command… Read More
linux-command
Linux-system-commands
Linux-Unix
Scaler Academy Interview Experience | SDE Intern (Off Campus) 2020
The entire process can be broken down into 3 parts. 1. Resume Shortlisting I applied for the internship over mail and got a call for… Read More
Marketing
Off-Campus
Scaler Academy
Experiences
Internship
Interview Experiences
std::basic_istream::ignore in C++ with Examples
The std::basic_istream::ignore is used to extracts characters from the input string and discards them including delimiting character, i.e., if the end of the file is… Read More
CPP-Functions
C++
Asynchronous Communication Interface
The block diagram of the asynchronous communication interface is shown above. It functions both as a transmitter and receiver. Parts of the Interface : The… Read More
Computer Organization & Architecture
Number of steps to sort the array by changing order of three elements in each step
Given an array arr[] of size N consisting of unique elements in the range [0, N-1], the task is to find K which is the… Read More
Algorithms
Arrays
C++
C++ Programs
DSA
Mathematical
Sorting
Find the middle digit of a given Number
Given a number N, the task is to find the middle digit of the given number N. If the number has two middle digits then… Read More
number-digits
DSA
Mathematical
School Programming
PostgreSQL – Copy Database
In this article, we will discuss the process of copying a PostgreSQL database on the same server or from a server to another.  PostgreSQL copy… Read More
postgreSQL-managing-database
PostgreSQL
Python – Substituting patterns in text using regex
Regular Expression (regex) is meant for pulling out the required information from any text which is based on patterns. They are also widely used for… Read More
Python Regex-programs
python-regex
Python
Python Programs
Write From Home
Google STEP Intern Interview Experience
The shortlisting was done through our university based on our resume and academic performance. I was shortlisted and had two interviews of 45 minutes, each… Read More
Google
Marketing
Experiences
Internship
Interview Experiences
Paytm Interview Experience 2020
Hi Geeks, I had recently appeared for the interview of Paytm Noida for the position of Software Engineer. I am having 1 year 7 months… Read More
Marketing
Paytm
Experienced
Experiences
Interview Experiences
Cadence Software Interview Experience for Fresher
I am a student from NSIT, final year (ICE). Here is my Cadence Interview experience. Round 1: Question on virtual function, size calculation of class… Read More
Cadence India
Marketing
Experiences
Interview Experiences
Minimum flips required to keep all 1s together in a Binary string
Given binary string str, the task is to find the minimum number of flips required to keep all 1s together in the given binary string,… Read More
binary-string
Bit Magic
DSA
Dynamic Programming
Strings
Find the Nth natural number which is not divisible by A
Given two integers A and N, our task is to find the Nth natural number which is not divisible by A. Examples:  Input: A =… Read More
divisibility
Competitive Programming
DSA
Mathematical
School Programming
How to implement View Shaker in Android
View Shaker is an animation in which, the UI of screen vibrates for a limited period of time. This can be implemented on the whole… Read More
Android-Animation
Android
Java
Sum of factorials of Prime numbers in a Linked list
Given a Linked list of N integers, the task is to find the sum of factorials of each prime element in the list.Examples: Input: L1… Read More
factorial
Prime Number
C++
DSA
Java
Linked List
Python
School Programming
SASS | Operators
SASS provides and supports a variety of useful operators in order to work with different values. These operators consist of the standard mathematical operators like… Read More
SASS
CSS
Web Technologies
Why You Should Opt Out From Ubuntu?
Ubuntu is known for its simplicity and easy to use, and 2019 saw a huge influx of Linux users. Especially after trusty Windows 7 reached… Read More
GBlog
Linux-Unix
Write From Home
How to create a CalendarPickerView using TimeSquare library
This article shows how to create a calendarPickerView using TimeSquare Library. We have seen the use of calendarPickerView to select a date in many applications.… Read More
Android-Date-time
Android
Java
DBSCAN Full Form
DBSCAN stands for Density-Based Spatial Clustering of Applications with Noise. It is a popular unsupervised learning method used for model construction and machine learning algorithms. It… Read More
Full Form
Machine Learning
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