All Expert Articles

Minimize Steps required to obtain Sorted Order of an Array

Given an array arr[] consisting of a permutation of integers [1, N], derived by rearranging the sorted order [1, N], the task is to find… Read More

array-rearrange

HashTable

Arrays

DSA

Hash

Mathematical

Python – Assign Reversed Values in Dictionary

Given a dictionary, assign each key, values after reverting the values of dictionary. Input : {1 : 4, 2 : 5, 3 : 6} Output… Read More

Python dictionary-programs

Python

Python Programs

Perl – Use of Capturing in Regular Expressions

A regular expression or a regex is a string of characters that define the pattern that we are viewing. It is a special string describing… Read More

Perl-regex

Picked

Perl

10 Reasons To Learn Node.js In 2024

In the ever-evolving landscape of software development, Node.js stands out as a powerful and versatile tool. Built on Chrome’s V8 engine, Node.js enables developers to… Read More

GBlog 2024

GBlog

Node.js

Web Technologies

Find maximum of minimums from Layers of Matrix using numbers 1 to N^2

Given a square matrix of size N*N using numbers 1 to N^2, the task is to find the maximum of minimums of each layer of… Read More

Natural Numbers

school-programming

submatrix

Competitive Programming

DSA

Matrix

Hadoop – Cluster, Properties and its Types

Before we start learning about the Hadoop cluster first thing we need to know is what actually cluster means. Cluster is a collection of something,… Read More

Hadoop

JavaScript TypeError – Can’t assign to property “X” on “Y”: not an object

This JavaScript exception can’t assign to property occurs in strict-mode only and this error occurs If the user tries to create a property on any… Read More

JavaScript-Errors

JavaScript

Web Technologies

Bootstrap Confidence Interval with R Programming

Bootstrapping is a statistical method for inference about a population using sample data. It can be used to estimate the confidence interval(CI) by drawing samples… Read More

Picked

R Data-science

R Machine-Learning

R Language

Random waypoint model

Random waypoint model pauses time between changing its direction and/or speed. Mobile Node (MN) begins by staying in one location for certain period of time.… Read More

Computer Networks

Maximum length of subarray consisting of same type of element on both halves of sub-array

Given an array arr[] of N integers, the task is to find the maximum length of sub-array consisting of the same type of element on… Read More

prefix-sum

subarray

subarray-sum

Arrays

DSA

Greedy

Mathematical

Perfect Square factors of a Number

Given an integer N, the task is to find the number of factors of N which are a perfect square. Examples: Input: N = 100 Output:… Read More

Maths

maths-perfect-square

school-programming

Competitive Programming

DSA

Greedy

Mathematical

Split Array into min number of subsets with difference between each pair greater than 1

Given an array arr[] of size N, the task is to split the array into a minimum number of subset such that each pair of… Read More

Arrays

DSA

Greedy

Mathematical

Misc

Searching

Sorting

PostgreSQL – EXTRACT Function

The PostgreSQL EXTRACT() function is used to query for field associated with date and time such as a year, month, and day from a date/time… Read More

PostgreSQL-Date-function

PostgreSQL-function

PostgreSQL

25 Facts about LTE Technology

With the advent of 4G mobile phones, LTE technology has also become very popular. It is used to connect to Internet and also provides voice… Read More

Computer Networks

Technical Scripter

Check if a Palindromic String can be formed by concatenating Substrings of two given Strings

Given two strings str1 and str2, the task is to check if it is possible to form a Palindromic String by concatenation of two substrings… Read More

frequency-counting

palindrome

substring

DSA

Searching

Strings

Find minimum moves to bring all elements in one cell of a matrix

Given a matrix mat[][], pair of indices X and Y, the task is to find the number of moves to bring all the non-zero elements… Read More

Algorithms-Greedy Algorithms

Greedy Algorithms

school-programming

DSA

Greedy

Mathematical

Matrix

Management Artifacts and its Types

Management Artifacts includes overseeing whole condition or situation to confirm and ensure that instructional technology project gets done. It contains various activities that capture intermediate… Read More

Software Engineering

Introduction of Unified Database Language (UDL)

Unified Database Language (UDL) is language that supports all three of the well known approaches – relations, hierarchies, networks in a uniform and consistent manner.… Read More

Software Engineering

PyQt5 – How to automate Progress Bar while downloading using urllib?

PyQt5 is one of the emerging GUI libraries in terms of developing Python GUI Desktop apps. It has rich and robust functionality which ensures production… Read More

Python-projects

Python-PyQt

Python

Difference Between Rows and Columns vs Container in Flutter

In this article, we’ll learn about the key differences between Container and Row/Column widgets. Row and Column both widgets belong to a similar category and… Read More

Flutter

Dart

Difference Between