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Continue to ChatA few iOS gotchas: NSDate copy, sleep and multitask https://www.stlplace.com/2011/05/23/a-few-ios-gotchas-nsdate-copy-sleep-and-multitask/
A few iOS gotchas: NSDate copy, sleep and multitask https://www.stlplace.com/2011/05/23/a-few-ios-gotchas-nsdate-copy-sleep-and-multitask/