Conventions Used in this Book
The following is a list of the typographical conventions used in this
Used to indicate new terms, URLs, filenames, file extensions,
directories, and program names. For example, a path in the filesystem
will appear as /Developer/Applications.
- Constant width
Used to show code examples, commands and options, the contents of
files, and the output from commands.
Constant width bold
Used for emphasis and user input in code.
- Constant width italic
Used in examples and tables to show text that should be replaced with
You should pay special attention to notes set apart from the text
with the following icons:
This is a tip, suggestion, or general note. It contains useful
supplementary information about the topic at hand.
This is a warning or note of caution.
The thermometer icons, found next to each hack, indicate the relative
complexity of the hack: