All Hard Articles
Convert the .GIF to .BMP and it’s vice-versa in Python
Sometimes it is required to attach the Image where we required an image file with the specified extension. And we have the image with the… Read More
Python-pil
Python-tkinter
Python
Tridiagonal matrix in python
A tridiagonal matrix is a matrix that has non-zero elements only at the main diagonal, diagonal below and above it. All other elements are zero.… Read More
Python-Matrix
Python
Visualizing Bubble Sort using Tkinter in Python
In this article, we will use the Python GUI Library Tkinter to visualize the Bubble Sort algorithm.  Tkinter is a very easy to use and… Read More
Python Tkinter-projects
Python-tkinter
Technical Scripter 2020
Python
Technical Scripter
Construct a K-length binary string from an array based on given conditions
Given an array arr[] consisting of N integers, and an integer K, the task is to construct a binary string of length K satisfying the… Read More
binary-string
CPP-bitset
Arrays
Bit Magic
DSA
Greedy
Mathematical
Strings
What are Linux Distributions ?
A complete Linux system package called a distribution. Many Linux distributions are available to meet just about any computing requirement you could have. Most distributions… Read More
linux
Linux-Unix
PostgreSQL – Password Authentication Methods
There are several password-based authentication methods available. in PostgreSQL These methods operate in the same way but differ in how the users’ passwords are stored… Read More
Picked
postgreSQL-administration
Technical Scripter 2020
PostgreSQL
Technical Scripter
Count levels in a Binary Tree consisting of node values having set bits at different positions
Given a Binary Tree consisting of N nodes, the task is to count the number of levels in a Binary Tree such that the set… Read More
Binary Tree
Bitwise-AND
tree-level-order
Bit Magic
DSA
Hash
Queue
Tree
Minimize deviation of an array by given operations
Given an array A[] consisting of positive integers, the task is to calculate the minimum possible deviation of the given arrayA[] after performing the following… Read More
cpp-set
loop
statistical-algorithms
Arrays
DSA
Greedy
Hash
Mathematical
Accolite Digital Pvt Ltd. Interview Experience | On-Campus (September 2020)
Round 1: Aptitude,Technical MCQ(30 Mins): Online test consisting of 30 MCQs to be solved within 30 mins on the Eduthrill platform. Questions were based on… Read More
Accolite
On-Campus
Experiences
Interview Experiences
Express.js app.router() Method
Express.js is a Node.js web flexible framework that provides a set of features for mobile and web applications. Express has various methods provided by many… Read More
Express.js
Picked
Technical Scripter 2020
JavaScript
Node.js
Technical Scripter
Minimize coins required to obtain all possible values up to N
Given an integer N, the task is to find the minimum count of {1, 2, 5}-valued coins such that changes of all possible values in… Read More
DSA
Greedy
Mathematical
Minimum moves required to come out of a grid safely
Given a grid mat[][] of size M * N, consisting of only 0s, 1s, and 2s, where 0 represents empty place, 1 represents a person… Read More
Amazon
Amazon-Question
BFS
interview-preparation
DSA
Matrix
Queue
Searching
How to connect ODBC Database with PHP?
The Microsoft Open Database Connectivity (ODBC) is a C application programming language interface. So the applications can access data from different database management systems.  The… Read More
PHP-Misc
PHP
PHP Programs
Web Technologies
How to count the number of times a button is clicked using JavaScript ?
At times, it becomes necessary to monitor the number of times a user clicks a button. In this article, we are going to learn how… Read More
JavaScript-Questions
JavaScript
Web Technologies
Find the index of the smallest element to be removed to make sum of array divisible by K
Given an array arr[] of size N and a positive integer K, the task is to find the index of the smallest array element required… Read More
divisibility
Arrays
DSA
Mathematical
Count subsequences having average of its elements equal to K
Given an array arr[] consisting of N integers and an integer K, the task is to count the number of subsequences of the given array… Read More
maths-mean
subsequence
Arrays
DSA
Dynamic Programming
Mathematical
Recursion
Implementing Pagoda in Java
In Java, a Pagoda is a priority queue enforced with a modification of a binary tree. The binary tree is constrained to have priority queue… Read More
Picked
Technical Scripter 2020
Java
Java Programs
Technical Scripter
Implementing Strassen’s Algorithm in Java
Strassen’s algorithm is used for the multiplication of Square Matrices that is the order of matrices should be  (N x N).  Strassen’s Algorithm is based… Read More
Picked
Technical Scripter 2020
Java
Java Programs
Technical Scripter
How to Build a Video Calling Android App with Jitsi Meet SDK?
Video Calling becomes a most demanding feature in many social media apps like WhatsApp, Instagram, Facebook, etc. Not only this but also there are some… Read More
android
Technical Scripter 2020
Android
Java
Technical Scripter
Count of larger elements on right side of each element in an array
Given an array arr[] consisting of N integers, the task is to count the number of greater elements on the right side of each array… Read More
array-merge
Merge Sort
Arrays
Divide and Conquer
DSA
Sorting
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