Conventions used

There are a number of text conventions used throughout this book.

Code in text: Indicates code words in text, database collection names, folder names, filenames, file extensions, pathnames, dummy URLs, user input, and Twitter handles. Here's an example: "The mongoid gem can be added to your application by modifying the Gemfile."

A block of code is set as follows:

class Shape
    include Mongoid::Document
    field: x, type: Integer
    field: y, type: Integer embedded_in: canvas
end

Bold: Indicates a new term, an important word, or words that you see onscreen. For instance, words in menus or dialog boxes appear in bold. Here's an example: "Click on the Schema tab to check the schema distribution of the collection."

Tips or important notes

Appear like this.