Conventions Used in This Book
The following is a list of the typographical conventions used in this book:
Italics
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Used to indicate URLs, filenames and extensions, and directory/folder names. For example, a path in the filesystem would appear as /Developer/Applications.
Constant width
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Used to show code examples, the contents of files, and console output, as well as the names of variables, commands, and other code excerpts.
Constant width bold
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Used to highlight portions of code, typically new additions to old code.
Constant width italic
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Used in code examples and tables to show sample text to be replaced with your own values.
Gray type
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Used to indicate a cross-reference within the text.
You should pay special attention to notes set apart from the text with the following icons:
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This is a tip, suggestion, or general note. It contains useful supplementary information about the topic at hand.
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This is a warning or note of caution, often indicating that your money or your privacy might be at risk.
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The thermometer icons, found next to each hack, indicate the relative complexity of the hack:
beginner moderate expert
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