This week's book giveaways are in the Refactoring and Agile forums. We're giving away four copies each of Re-engineering Legacy Software and Docker in Action and have the authors on-line! See this thread and this one for details.
Use the UBB "CODE" tags. On the editing screen, look below the big textarea and you'll see a bunch of buttons; one button says "CODE". Push it to create a set of CODE tags. Put your code in between those tags, and any formatting will be preserved.