In this book, you will find a number of styles of text that distinguish between different kinds of information. Here are some examples of these styles, and an explanation of their meaning.
Code words in text are shown as follows: "The many-to-many association can be defined with the
has n and
A block of code is set as follows:
after :create, :create_wall def create_wall self.wall = Wall.create self.save end
Any command-line input or output is written as follows:
$ sudo gem install Haml
New terms and important words are shown in bold. Words that you see on the screen, in menus or dialog boxes for example, appear in the text like this: "The one big difference is of course, the list of statuses belongs to only that user, ...