Tutorial by Topics: gems

Gems can be used to extend or modify functionality in Ruby applications. Commonly they’re used to distribute reusable functionality that is shared with other Rubyists for use in their applications and libraries. Some gems provide command line utilities to help automate tasks and speed up your work...

Gemfile documentation For projects that are expected to grow, it is a good idea add comments your Gemfile. That way, even in large setups you will still know what each gem does even if the name is not self-explanatory and you added it 2 years ago. This can also help you to remember why you cho...