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...
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-5d12a77e45be5028463160/]...
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....
Java is a popular programming language for system software development and web application. You need to install the Java Development Kit (JDK) and Java Runtime Environment (JRE) for the setup of the Java development environment. This tutorial will guide you to install Oracle Java 11 LTS version on Debian 10 Stretch Linux system. Step...
PHP 4.0 introduced __FILE__ magic constant, which provides the full path and filename of the file. To get directory path only use dirname(__FILE__). For example to include other file in same directory use: [crayon-5d12a77e464f3449236440/] Later the PHP version 5.3.0 and later versions introduced a new constant called __DIR__ which is the short form of...
Swift is a safe, fast, expressive general-purpose programming language build for the software design patterns. It is best for the systems programming, to mobile and desktop applications. Swift provides a large number of features that make programming easier while giving the developer the control needed in a true systems programming language. This tutorial will...