i have a Form which has a button, on the button click event, a variable locklogin is increased by 1 when locklogin =3 , then the form button gets disabled and the form needs to be closed.
When should I use the nonatomic, reta开发者_运维技巧in, readonly and readwrite properties in Objective-C?
For iOS developers, delegates are used almos开发者_StackOverflow社区t everywhere. And seems like that we need to use \"assign\" instead of retain for a delegate like this
I need some info about how to assign, retain objects. For example - if we have two viewcontrollers and needed to pass an array data from viewcontrlr 1 to viewContrl 2, how can we send the object 开发
I am learning Objective C coming from a language which has garbage collection and I am struggling with memory management. In particular I am struggling with what happens in this instance.
I have a dataset with ids, dates and amounts. Each id may have a few rows depending on the transaction amounts and the number of transactions performed. I need to use a retain statement t开发者_如何转
If I have an autoreleased object, when does its retain count (i.e. the value returned when I call the method retainCount on it) decrement? I had figured it to be when the scope of the method the objec
I\'m a newbie in programming for iPhone / iPad with Objective-C. I have problems with memory management by releasing or retaing objects.
I\'m developing an Iphone app. I read from a book about declaring a property like below: @property (nonatomic, retain) NSArray *listData;
Do you know what happens 开发者_开发知识库if I retain an autoreleased object ? Will it be released or does the retain wins ?
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