Conventions Used in This Book

The following typographical conventions are used in this book:

Italic

Indicates new terms, URLs, filenames, and file extensions

Constant width

Indicates variables, method names, and other code elements, as well as the contents of files

Constant width bold

Highlights new code in an example

Constant width italic

Shows text that should be replaced with user-supplied values

Note

This icon signifies a tip, suggestion, or general note.

Warning

This icon indicates a warning or caution.

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