Ruby is a popular programming language among a large number of developers. Rails are the framework to run ruby language. Ruby language was created by Yukihiro “Matz” Matsumoto and first published in 1995. This article will help you to install ruby on rails on Debian Linux systems using RVM. RVM is the Ruby Version...
Angular is an frameworks, libraries, assets, and utilities. It keeps track of all the components and checks regularly for their updates. This tutorial will help you to install the Angular CLI tool on Debian 10 Buster, Debian 9 Stretch, and Debian 8 Linux systems. Step 1 – Install Node.js First of all, you need...
This tutorial will help you to check if a string contains any substring in PHP programming language. For example, you want to run a specific line of code only if an input string contains another substring in it. Here is a sample PHP programme, which will evaluate to true because the main string $str...
Angular is an frameworks, libraries, assets, and utilities. It keeps track of all the components and checks regularly for their updates. This tutorial will help you to install the Angular CLI tool on Ubuntu 18.04 & 16.04 Linux operating systems. Step 1 – Install Node.js First of all, you need to install node.js on...
An array is a container of multiple values of similar types. After initializing an array, how can you empty it? This tutorial will help you to empty an Array in JavaScript language. Empty Array in JavaScript Use the following syntax to empty an Array. Here myArray is the name of Array. myArray = ;...
This tutorial contains a sample Python script for listing all available files in a directory. This script will ignore all directories and subdirectories. The Python listdir() function available under os package is used to listing all content of a directory. So you can simply print the results of the listdir() function. This will show...
There are multiple ways to get the current date and time in Java programming language. Here we will discuss two ways using java.util.Date and java.util.Calendar Classes. Using java.util.Date Class Simply create a new Date() object to get the current date and time. Use the following Java program, In this program, we also used DateTimeFormatter...
This tutorial will help to install JAVA (OpenJDK) on all versions of Debian 10 Buster system. You can also use this tutorial to install Java on any Debian based systems. Let’s follow the below simple steps for the installation. For the Oracle Java installation, users can use below link to install Oracle Java on...
Python is a high-level, general-purpose programming language created by Guido van Rossum. It was first released in 1991. Generally, Linux based distros have pre-installed Python version. This tutorial will help you to find Python version details inside a script. Also, you can ensure a Python script to run only the minimum version found. [crayon-5d5875645820b128745965/]...
This tutorial will help you to generate a random string using PHP. A random string is useful for generating passwords etc. Method 1 – Custom function This is a custom function to generate a random string of defined length. Using this you can limit the characters, symbols to be used in the random string....