There are two types of people in the world: Those that divide groups of people into two types, and those that don't... Lately, I've been thinking about two types of developers (or coders). Or more specifically, two types of developer attitudes: The PC and the Mainframe. For the purposes of this article, I'm using PC in its generic form for personal computer, lumping both MAC and Windows into the same bucket. You can even throw in some Linux for good measure. So what do I mean by PC and mainframe attitudes? Well, if you're old like me, you...