To help you get the most from the text and keep track of what’s happening, I’ve used several conventions throughout the book.
Boxes with a Warning icon like this one hold important, not-to-be-forgotten information that is directly relevant to the surrounding text.
The Note icon indicates notes and asides to the current discussion. They are offset and placed in a box like this.
The Tip icon indicates tips, bits and pieces of advice on effective programming. They are offset and placed in a box like this.
More Info The More Info icon indicates somewhere you can go to learn for more information on a particular ...