The researcher believes that well written code should be self-documenting. Ruby code can be so similar to pseudo-code that descriptive commenting would only paraphrase the contents of the line, and could in fact make code less clear.
Below are some code samples from the project to demonstrate the self-descriptive nature of code.
validates_presence_of :password, :on => :create
This line tells the current model that it should validate the presence of a password when it is created.
This is a snippet from sessions_controller.rb
, first uncommented, and then with 'descriptive' comments: