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Filter Pattern in Java

Filter pattern or Criteria pattern is a design pattern that enables developers to filter a set of objects using different criteria and chaining them in… Read More

Java-Design-Patterns

Java

Depth First Traversal ( DFS ) on a 2D array

Given a 2D array grid[][] of dimension N * M, the task is to perform the Depth – First Search traversal on the given 2D… Read More

DFS

Technical Scripter 2020

DSA

Matrix

Stack

Technical Scripter

How to apply inline CSS ?

In this article we will learn how to apply inline CSS, Inline CSS contains the CSS property in the body section attached to the element… Read More

CSS-Basics

CSS-Questions

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CSS

Web Technologies

Change column name of a given DataFrame in R

A data frame is a tabular structure with fixed dimensions, of each rows as well as columns. It is a two-dimensional array like object with… Read More

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R-DataFrame

R Language

React useCallback Hook

React useCallback hook returns a memoized function to reduce unnecessary callbacks. This useCallback hook is used when you have a component in which the child… Read More

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React-Hooks

ReactJS

Web Technologies

Built in & Custom Model Managers in Django

Django manager is a class that acts as an interface through which Django models interact with databases. Every model has at least one manager object.… Read More

Python Django

Technical Scripter 2020

Python

Technical Scripter

Web Technologies

Meta Class in Models – Django

Django is a high-level Python Web framework that encourages rapid development and clean, pragmatic design. Built by experienced developers, it takes care of much of… Read More

Python Django

Python Framework

Python

jQuery UI Droppable accept Option

jQuery UI consists of GUI widgets, visual effects, and themes implemented using jQuery, CSS, and HTML. jQuery UI is great for building UI interfaces for… Read More

jQuery-Methods

jQuery-UI

JQuery

Web Technologies

Java Program to Print Downward Triangle Star Pattern

Downward triangle star pattern means we want to print a triangle that is downward facing means base is upwards and by default, orientation is leftwards… Read More

java-basics

Picked

Java

Java Programs

Java Program to Print Reverse Pyramid Star Pattern

Approach: 1. Get the number of input rows from the user using Scanner Class or BufferedReader Class object. 2. Now run two loops Outer loop… Read More

Picked

Java

Java Programs

Java Program to Find the Normal and Trace of a Matrix

For a given 2D matrix, the purpose is to find the Trace and Normal of the matrix. Normal of a matrix is defined as the… Read More

java-basics

DSA

Java

Java Programs

Mathematical

Java Program to Check Whether the Character is Vowel or Consonant

For any given character, we need to check if it is a vowel or a consonant. As we know, vowels are ‘a’, ‘e’, ‘i’, ‘o’,… Read More

java-basics

DSA

Java

Java Programs

Strings

java.net.SocketPermission Class in Java

The java.net.SocketPermisson class represents whether you have permission to access a network via sockets. A SocketPermission consists of a host and a set of actions.… Read More

Java-net-package

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Java

Hitachi Interview Experience 2021

First Round(Aptitude + Coding): It was a combination of aptitude and 3 coding questions. 2 coding questions were easy and one was medium. Make sure… Read More

Hitachi Consultancy

Experiences

Interview Experiences

Creating PDF Documents With Python

In this article, we will be learning how to create PDFs in Python. A very famous module named pypdf2 is used to modify and read… Read More

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Python-projects

python-utility

Python

How does Query.prototype.exec() work in Mongoose?

The Query.prototype.exec() function is used to execute the query. It can handle promises and executes the query easily. The callback can be passed as an… Read More

Mongoose

Node.js

Web Technologies

Node.js process.stdout Property

The process.stdout property is an inbuilt application programming interface of the process module which is used to send data out of our program. A Writable… Read More

Node.js-Methods

Node.js-process-module

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Node.js

Web Technologies

Add padding to the image with Python – Pillow

Prerequisites: Pillow(python library) Padding is the space between the contents, the container, and the border. An image can be considered content to some container and… Read More

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Python-pil

Python

NumPy – Arithmetic Operations

NumPy is an open-source Python library for performing array computing (matrix operations). It is a wrapper around the library implemented in C and used for… Read More

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Python numpy-Mathematical Function

Python-numpy

Python

React.js Render Props

The Render Props is a technique in ReactJS for sharing code between React components using a prop whose value is a function. Child component takes… Read More

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ReactJS-Basics

ReactJS

Web Technologies