This week's book giveaway is in the Mac OS forum. We're giving away four copies of a choice of "Take Control of Upgrading to Yosemite" or "Take Control of Automating Your Mac" and have Joe Kissell on-line! See this thread for details.
I'm starting to study to the Part 1 but I also know that I'll have difficulties about UML when I start the Part 2. Which diagrams are required ? Class, Use Case, Component, Sequence diagram? Does it require something else?