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...
Cross-platform mobile application development is trendy, and hybrid app developers are always in search of advanced technologies and tools. This post tries to provide an elementary comparison among top 10 JavaScript frameworks to use for your projects. JavaScript is gaining popularity as frontend programming language, and its usage as a client-side scripting is awesome...
PyCharm is the best IDE for Python development. This Python IDE is available in professional and community editions. The community edition is freely available, but professional edition has more features. Visit here to find the difference in community and professional edition. This tutorial will help you to How to Install PyCharm Python IDE in...
