Virtualenv is a tool used to create an isolated Python environment. This environment has its own installation directories and environment. This doesn’t share libraries with other environments. It is very helpful for the application required separate environments on the same server. The Virtualenv is the easiest and recommended way to configure a custom Python...
You can easily pass command line arguments to a Python script. In this tutorial, we will help you to read the command line arguments in a Python script. Below is the sample Python script, which reads the command line arguments and print details. Create a sample script like script.py and copy below content. [crayon-5e58b2a32aeb0761798194/]...
The howsmyssl.com website provides you the option to test TLS version used by your browser or PHP script. Put the below PHP script on your website document root and access in a web browser. This will return the TLS version used by your script to connect remote application. [crayon-5e58b2a32b3dc304448828/] I have written this in...
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...
Some times you may require to convert any string to uppercase (all letters). This tutorial will help to convert a string (any case) to the upper case as showing in the below image. Convert String to Upper Case Using Python programming language you can use string .upper() function to convert any string to upper...
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...