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.
That depends on the SOAP stack you use. But why do you need that code? You shouldn't tie the service to a particular transport; if you need an error/status code you can make it part of the SOAP response.