Author: Rahul

Node is becoming the first choice of developers for building front-end applications. Also, many developers are using this for building REST API and CRUDs. This programing language is developed by OpenJS Foundation, which runs on Chrome’s v8 engine. Node.js is available for most modern operating systems including Ubuntu Linux. In this tutorial, we will provide you with 3 methods of installing Node.js on the Ubuntu 22.04 Linux system. Install Node.js from Default Apt Repository Installing Node.js from Nodesource Repository Install Node.js using NVM (Recommended) Choose one of the below methods to install Node.js on Ubuntu 22.04 Linux system: Method 1…

TimeZone plays an important role for time crucial applications. In that case, you must have to set a proper timezone for the running operating system. One of our users asked about setting up the Timezone in Azure App Services. In this tutorial, you will learn how to set the Timezone for an application running on Azure App Services. All the screenshots of this tutorial are made for Windows-based Azure App Service. Identify the OS You can easily set the Timezone to Windows app service using environment variables but the settings are different for an app service hosted in Linux or…

Node.js is an essential tool for modern web development because it is efficient and scalable. However, managing multiple Node.js versions on one machine can be difficult, especially for developers working on different projects. This is where Node Version Manager (NVM) helps by making it easy to manage multiple Node.js environments. This guide will show you how to install NVM on Ubuntu 22.04, so you can easily switch between Node.js versions. What is NVM? NVM stands for Node Version Manager. It is a command-line tool that lets you install, manage, and use multiple Node.js versions. It allows you to switch between…

The Linux operating system is a very popular and widely used OS for the server. It powers the majority of the world’s websites, including some of the most well-known ones such as Yahoo, Google, and Facebook. The logical acronym LAMP is commonly used to refer to the mixture of free and open-source software that is frequently used together to create a server architecture that can handle dynamic websites, such as those built on PHP, MySQL, and Apache. Each letter in the acronym refers to a separate software package: That being said, let’s see how we can install and setup LEMP…

MySQL is the most popular Open Source SQL database management system. It is developed and supported by Oracle Corporation. MySQL is widely used on Linux systems. Now MySQL providers also provide their own apt repository for installing MySQL on Ubuntu systems. This tutorial will help you to install the MySQL server on Ubuntu 22.04 Jammy Jellyfish Linux systems. Prerequisities You must have a running Ubuntu 20.04 Linux system with sudo privileges user access. Step 1 – Installing MySQL on Ubuntu 22.04 The default Ubuntu repositories contain MySQL 8.0. Which can be installed directly using the package manager without adding third-party…

Have you ever wondered how websites like WordPress, Drupal, and other content management systems even exist? How can software developers build and maintain such websites without being technical experts in website hosting technologies? The answer is LAMP. LAMP is an acronym for Linux, Apache, MySQL, and PHP. This article describes in detail how to set up LAMP on the Ubuntu server. If you are a website developer or intend to become one, then you’ll find this guide useful. You will learn how to install the LAMP stack on your Ubuntu VPS server and begin developing dynamic websites that can be…

Write a Java program to get value from the hashmap corresponding to a key. The HashMap class is available under the java.util package. It is pretty similar to HashTable, but the HashMap is unsynchronized and also allows to stole one null key. In this tutorial, you will learn Java examples to get value from a HashMap based on a defined key. Get Values from Java HashMap The Entry interface provides a number of methods to access key values from a HashMap. The Entry.getValue() method returns the value based on the provided key. Let’s check with an example. Here we initialize…

Write a Java program to get keys from the hashmap using the value. The HashMap class is available under the java.util package. It is pretty similar to HashTable, but the HashMap is unsynchronized and also allows to stole one null key. In this tutorial, you will learn Java examples to get keys from a HashMap based on a defined value. Get Key for a Value in HashMap The Entry interface provides a number of methods to access key values from a HashMap. The Entry.getValue() method returns the value based on the provided key. Here is an example Java program to…

An array is a data structure to store multiple elements of similar data types. Similar to other programming languages Java also supports Arrays. An Array is always stored in a contiguous location on the system memory. Java provides multiple methods of printing an Array basis on the requirements. We can directly access any array of elements with the index number or print the entire Array using Java loops. In this tutorial, you’ll learn different techniques to print the elements of a given array in Java. Arrays.toString() method Arrays.deepToString() method for Loop for-each Loop Arrays.asList() method Let’s discuss the above methods…

GitHub is a popular platform for hosting Git repositories, and it supports accessing repositories over SSH (Secure Shell). In order to access a GitHub repository over SSH, you will need to generate an SSH key pair and add the public key to your GitHub account. Here are the steps for adding a new SSH key to your GitHub account: Prerequisites Before you can add an SSH key to your GitHub account, you will need to do the following: Generate an SSH key pair. This consists of a private key and a public key. The private key is kept on your…