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.
all depend on of the your objective, but static method, this pertence the class and instance method pertence the an object, this do not have relation with a class. in terms of perfomance nothing change.