All Expert Articles

Display Network Image in Flutter

Flutter has an Image widget to display different types of images. To display images from the internet, the Image.network() function is used. Syntax: Image.network (source_URL)… Read More

Flutter

Dart

FittedBox in Flutter

Flutter is all about widgets. There are many widgets that are used for positioning and styling of text. In this article, we’ll learn about the… Read More

Flutter

Dart

Difference between Concurrent Versions System (CVS) and Subversion (SVN)

1. Concurrent Versions System (CVS) : Concurrent versions System is functional version control system which is developed by Dick Grune as series of shell scripts.… Read More

Difference Between

Software Engineering

How to Add Space Between Widgets in Flutter?

In this article, we’ll learn how to add space between widgets. There are many options available in flutter which you can use to provide space… Read More

Flutter

Dart

Retrieve Data From TextFields in Flutter

In this article, we’ll learn how to retrieve data from TextFields. TextField() widget is the most common widget used in flutter apps to take user… Read More

Flutter

Dart

Using await async in Dart

The async and await approaches in Dart are very similar to other languages, which makes it a comfortable topic to grasp for those who have… Read More

Dart-Exception-Handling

Dart

Python VLC MediaPlayer – Taking Screenshot

In this article we will see how we can take screen shot of the MediaPlayer object in the python vlc module. VLC media player is… Read More

Python vlc-library

Python

Generate first K multiples of N using Bitwise operators

Given an integer N, the task is to print the first K multiples of N using Bitwise Operators. Examples: Input: N = 16, K =… Read More

setBitCount

Bit Magic

DSA

Mathematical

School Programming

Minimum cost required to convert all Subarrays of size K to a single element

Prerequisite: Sliding Window MedianGiven an array arr[] consisting of N integers and an integer K, the task is to find the minimum cost required to… Read More

cpp-multiset

median-finding

sliding-window

subarray

Arrays

DSA

Greedy

Mathematical

Sorting

Count of N-digit Numbers having Sum of even and odd positioned digits divisible by given numbers

Given integers A, B, and N, the task is to find the total number of N-digit numbers whose sum of digits at even positions and… Read More

divisibility

number-digits

permutation

DSA

Dynamic Programming

Mathematical

Searching

Check whether the given Matrix is balanced or not

Given a matrix mat[][] of dimensions NxM, the task is to check whether the given matrix is balanced or not. Print “Balanced” if it is… Read More

DSA

Greedy

Matrix

Check if each element of an Array is the Sum of any two elements of another Array

Given two arrays A[] and B[] consisting of N integers, the task is to check if each element of array B[] can be formed by… Read More

cpp-set

HashSet

Arrays

DSA

Hash

Mathematical

Searching

Distance Traveled by Two Trains together in the same Direction

Given two arrays A[] and B[], each consisting of N integers, containing the speeds of two trains travelling in the same direction, at each time… Read More

Arrays

DSA

Greedy

Mathematical

School Programming

Searching

Permutation of Array such that products of all adjacent elements are even

Given an array arr[] consisting of N positive integers, the task is to find any permutation of given array such that the product of adjacent… Read More

permutation

Arrays

DSA

Greedy

Hash

Difference between Software Inspection and Software Testing

Software Inspections and Software Testings are two essential and important techniques or methods that are required to identify and discover defects and errors in software… Read More

Software Testing

Difference Between

Software Engineering

Turing Machine for language { www | w ∈ {a, b} }

Prerequisite – Turing Machine Design a Turing Machine for a string which contains exactly 3 repetitions of w consecutively. Approach Used : First, we will… Read More

Theory of Computation

Count of N digit Numbers whose sum of every K consecutive digits is equal | Set 2

Given two integers N and K, the task is to find the count of all possible N-digit numbers having sum of every K consecutive digits… Read More

maths-log

maths-power

number-digits

Numbers

DSA

Greedy

Mathematical

Various properties of CAP Theorem

Prerequisite – The CAP Theorem In the distributed system you must have heard of the term CAP Theorem. CAP theorem states that it is impossible… Read More

DBMS

Software Engineering

Count of distinct Primonacci Numbers in a given range [L, R]

Given two integers [L, R], the task is to count the number of Primonacci Numbers in the range [L, R]. Primonacci Series: F(1) = F(2) =… Read More

frequency-counting

HashSet

Prime Number

sieve

DSA

Dynamic Programming

Recursion

What are the best input sanitizing functions in PHP ?

Sanitizing data means removing any illegal character from the data. Sanitizing user input is one of the most common tasks in a web application. To make… Read More

PHP-Misc

Picked

PHP

PHP Programs

Web Technologies