Why does the error, "EXC_BAD_ACCESS" occur?

Which changes the color of the pagination dots of UIPageControl?

Which will make an iPhone app return its own version number?

Where does Xcode place its build products and other intermediaries/temporary files?

Which is the correct way to get the screen height and width in iOS ?

Which CATransform3D matrix cell is responsible for perspective transforms?

Which will create a singleton class that is compatible with ARC?

What will happen when the tableView:accessoryButtonTappedForRowWithIndexPath UITableViewDelegate method is called, in a case where there is a custom UIControl subclass in the standard accessory view?

Which is the correct way to vertically center the UITextField text?

The iPhone Simulator can be found at:

Select the following statements that are true?