This one is a bit trivial (but nice and short), you should already know how to copy substrings, however there might be a shortcut you are unaware of, check it out in the video here.
This book will make you a faster Delphi developer, it doesn't matter if you are just starting out, or have been using Delphi since version 1, you will find all sorts of tips, tricks and hacks to boost your productivity.
