Conventions Used in This Book

The following conventions are used in this book:

Constant width

Used for arrays, classes, code examples, loops, modules, namespaces, objects, packages, statements, and to show the output of commands.

Italics

Used for commands, directory names, filenames, example URLs, variables, and for new terms where they are defined.

This icon designates a note, which is an important aside to the nearby text.

This icon designates a warning relating to the nearby text.