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    1. POShareKit Api Change
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    3. POConfused about iOS 5 SDK Capabilities vs iOS 5 Capabilities of the Device
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    1. COThis seems like a legitimate question. Given the poor answer you received, it should be clear what looks obvious isn't necessarily so. that some aren't paying close attention. (And we all get strained after a hard days work, so simple mistakes can be forgiven). `null` is not a defined value, but `NULL` is defined, and `nil` is defined as equivalent to `NULL`. And as someone pointed out in another related question `NIL` does not exist. There is a clear difference between null and NULL, then. Mark got it, that (null) is just the description of nil. But it's not obvious that's what's going on.
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      1. POObjective-C Difference between (null) and nil
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    2. COIf I understand correctly then, I can set retained property values to nil (or any other value), and this will always release first And this is true even when I have written the setter that does explicity include the `if (anObject_) [anObject_ release];` code. Can you confirm this?
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    3. COOkay, just so you know I take your input seriously, I still couldn't stop thinking about this, because I do have view controllers managing complex subviews inside other views. Apple has formalized this in the iOS 5 release, and added methods in the UIViewController class to suppport this. See the section on 'Implementing a Container View Controller' in the latest class reference. I have been doing this already, but wasn't aware that Apple also found it worthwhile to make this a part of the OS until you raised your point.
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      1. POUsing viewDidLoad after didReceiveMemoryWarning and viewDidUnload
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