Using substr_compare function to find out if a file exists in a folder
The substr_compare function is a useful function that can be used to check if a given string occurs at the end of a larger string.
ReadInstalling latest version of Php
PHP is a popular programming language commonly used for building web based applications. Most Linux distributions provide PHP out of the box. However the version of PHP in most cases is not the current stable version.
ReadPreventing spam messages with Contact Form 7 WordPress plugin
Contact Form 7 is a plugin for WordPress that allows website visitors to contact website owners. It is one of the most popular WordPress plugins with over 5 million active installations.
ReadUpgrading R from version 3.0 to 3.5
R is a free software package for statistical computing. It is part of most Linux distributions. However the latest version of R is not always available. To install the latest version of R we need to add the URL of a CRAN mirror to a file in /etc/apt/sources.list.d.
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