Programmers waste enormous amounts of time thinking about, or worrying about, the speed of noncritical parts of their programs, and these attempts at efficiency actually have a strong negative impact when debugging and maintenance are considered. We should forget about small efficiencies, say about 97% of the time: premature optimization is the root of all evil.
—Donald Knuth
In the last chapter, we were finally done talking about the Core Data stack, and as promised, we’ll now start diving into the deepest secrets of Core Data.
We’ll begin ...
