A frequently-heard rider on the statement that Mac OS X "is more secure than Windows" is that fewer people are prodding its weak spots, because it has fewer users. Well, Windows Vista has a market share comparative to Mac OS X (all versions), and this report describes the security statistics as being somewhat comparable, too. So there we go.
OOP the Easy Way
Object-Oriented Programming the Easy Way: a manifesto for reclaiming OOP from three decades of confusion and needless complexity.APPropriate Behaviour
APPosite Concerns
FSF