Saturday, December 26, 2015

What happens when the given code executes? Ball *ball = [[[[Ball alloc] init] autorelease] autorelease];

It will crash because itʼs added twice to the autorelease pool and when it it dequeued the autorelease pool calls release more than once.
-
Labels:
  • What is storyboard?
    With Storyboards, all screens are stored in a single file. This gives you a conceptual overview of the visual representation for the app an...
  • Object Oriented Programming (OOP)
    Object Oriented programming is a programming style that is associated with the concept of Class, Objects and various other concepts revolvi...
  • Delegate methods: UIPickerView
    Providing Counts for the Picker View – numberOfComponentsInPickerView: – pickerView:numberOfRowsInComponent: Delegate - Setting the Dim...