retain
NSArray objects go out of scope after returning pointer
I am attempting to use the below code in a function to return an array of dictionary objects.Unfortunately, after the return to the next function in the stack all of the rows in the mutable array have[详细]
2023-01-13 18:08 分类:问答How can I make sure nothing gets autoreleased?
I need a way to create variables that are accessible for the entire time my custo开发者_运维百科m class is initiated to when I call the release function. I need to retain a NSDate and a NSString.Send[详细]
2023-01-13 16:00 分类:问答Retain count for tableView:cellForRowAtIndexPath:
In Apple\'s example code, the method tableView:cellForRowAtIndexPath: of a UITableViewDataSource returns a cell with a retain count of 1; it allocs it, but doesn\'t autorelease it. H开发者_如何学Cowev[详细]
2023-01-10 23:11 分类:问答Why do variables initialized in viewDidLoad not retain value in Objective-C?
I have a class I wrote called Location that just holds some strings.I\'m using two instances of that class in a view controller, and when I initialize the two variables in viewDidLoad, they work fine[详细]
2023-01-10 22:35 分类:问答retain data member and Notifications
Just need 2 really basic clarifications. 1. Lets say I have a class A which has a member declared like:[详细]
2023-01-09 13:13 分类:问答Memory release problems in Objective-C
I have a real-life example that I have in my project below. My aim is to pick out the most likely phone number for SMS receptions, and only that (phone)number. All works well when I don\'t release mem[详细]
2023-01-09 07:08 分类:问答Reference on when to release in Objective-C
I\'m having a recurring problem in Objective-C. I\'m either releasing things too many time, or not enough. or perhaps I\'m not retaining them enough...[详细]
2023-01-09 06:02 分类:问答alloc + init with synthesized property - does it cause retain count to increase by two?
I\'ve seeen the following snippet quite a bit: In the header: SomeClass *bla; @property(nonatomic,retain) SomeClass *bla;[详细]
2023-01-07 19:17 分类:问答Handling an external screen on the iPad
Ok, I think its possible I\'ve misunderstood the correct way to implement an external screen on the iPad and it is causing me a lot of headaches.[详细]
2023-01-07 03:47 分类:问答retain cycle with core-data
I think I have a problem, maybe linked to a retain cycle in Core-Data. The code is a follow, where self.image is also a NSManagedObject:[详细]
2023-01-04 16:02 分类:问答