Nowadays, if you pass a variable inside a block and try to assign a new value to it, you will encounter the error Variable is not assignable (missing __block type specifier).
This is a definitive improvement from the previous behavior where your variables simply remained unmodified. Now consider the...
This week I'm gonna throw three strategies you can use to improve the performance of your NSPredicates — either in Core Data or while filtering a collection like NSArray.
If things are really slow though, there are probably other places where you should be focusing, but let's assume you have already...
For this week I want to share a concept and an example repository of something called Cellular Automata.
To be honest, it's one of those simple things with a big name. Let me explain:
Imagine a grid of cells. Each cell has a finite number of states (let's say 0 or 1 at its most basic case).
The syst...
If you debug solely through NSLog you are missing the better insight the debugger can provide you. Also, it is easy to forget all those logging functions, ship them into production and, depending on the industry, even introduce security risks.
On the other hand, if you are using only basic breakpoin...
