After writing a simple shell script for MySQL database backup. This is our new advance bash script for MySQL database dump. This script will provide you to backup MySQL database and upload backups various remote locations like FTP, SFTP and Amazon s3 bucket. This script is available on our Github account with all supporting...
IF, ELSE or ELIF (known as else if in some programming) are conditional statements which are used for execution of different code depends on condition. The if statements can be written without else or elif statements, But else and elif can’t be used without else. In this tutorial, you will learn if, else and...
Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Erlang runtime system has built-in support for concurrency, distribution and fault tolerance. This tutorial will help you to install erlang on CentOS/RHEL 7/6 and Fedora 25/24 operating system. How to Install Erlang on Ubuntu Step 1...
Erlang is a programming language used to build massively scalable soft real-time systems with requirements on high availability. Erlang runtime system has built-in support for concurrency, distribution and fault tolerance. This tutorial will help you to install erlang on Ubuntu 16.04 and 14.04 operating system. Step 1 – Adding Repository First, use the following...
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 any input string contains another substring in it. Example 1: The following code will evaluate to true because the main string $str contains the...
This tutorial will help you to prevent SQL inject in PHP. In this tutorial first, check a basic example of SQL injection process. How can users steal data from your website using SQL injection? This tutorial also includes methods to prevent SQL injection using PHP-MySQLi and PHP-PDO drivers. Simple SQL Injection Example For example,...
The Python os.path module is used for common file or directory pathename’s manipulations. The method isfile() of this module is used to check if any file is available or not. Similarly exists() function returns true for files and directory exists. #1. Python – Check if File Exists For example, To test how isfile() and...
As other programming languages, Java also provides ternary operator. The ternary operator is the simple one liner statement of an if-then-else statement. A ternary operator uses ? and : simbles. A simple ternary operator works similar to the if-then-else statement. If any condition evaluates to true then true statement executed else false statement executed....
The JavaScript every() method navigate to all array elements and execute a function. This loop exits if function returns false with any array loop and doesn’t check remaining elements. The every() method doesn’t execute without values arrays. Also it doesn’t change the original array. Syntax: The syntax of JavaScript every() method is as below....
The JavaScript forEach() method run once for each element in an array. For example to navigate to array and perform any action on each array element. The JavaScript forEach() method is useful in this situation. JavaScript forEach() method uses following syntax: arrayName.forEach(function callback(currentValue, index, array) { // action on array element // action on...
