We will be setting up a Ruby on Rails development environment on mac OS 10.12 Sierra.
Older versions of OS X are mostly compatible so follow along as far as you can and then Google search for any problems you run into.
Ruby on Rails is often used with an ORM called Active Record, though it is flexible and can be used with other data sources.However, it is possible to write code that allows for SQL Injection. X style): Use caution not to build SQL statements based on user controlled input.A list of more realistic and detailed examples is here: App development is simplified through making use of the Ruby programming language combined with the Rails development framework.The command-line tool rbenv allows you to install and manage Ruby and Rails.To follow this tutorial, you need to have one Debian 8 server with a non-root user. You should complete these steps from the user account from which you plan to run Ruby.