The following conventions are used in this book:

Code lines, commands, statements, and any other code-related terms appear in a monospace typeface.
When a line of code is too long to fit on one line of this book, it is broken at a convenient place and continued to the next line. The continuation is preceded by a special code continuation character ().

NOTE

A note presents interesting information related to the discussion—a little more insight or a pointer to some new technique.

TIP

A tip offers advice or shows you an easier way of doing something.

CAUTION

A caution alerts you to a possible problem and gives you advice on how to avoid it.