如果在單例類上創建類別,則何時釋放該類別的內存 [英]When is the memory for a category released if you make a category over a singleton class
如何在 Lion 下的 Xcode 4.1 的 Instruments 中啟用 NSZombie? [英]How do you enable NSZombie in Instruments of Xcode 4.1 under Lion?
在iOS上執行pthread_cancel時會釋放堆中的內存嗎? [英]Will the memory in the heap be released when I do pthread_cancel on iOS?