retain

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holding the value of a variable in c#.net winforms

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.[详细]

2023-02-16 04:50 分类：问答
How to use properties in Objective-C?

When should I use the nonatomic, reta开发者_运维技巧in, readonly and readwrite properties in Objective-C?[详细]

2023-02-14 15:35 分类：问答
property "assign" and "retain" for delegate

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[详细]

2023-02-14 07:09 分类：问答
NSMutable array - assign and retain objects

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[详细]

2023-02-12 10:16 分类：问答
NSMutableArray and memory managment

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.[详细]

2023-02-12 07:08 分类：问答
SAS - Using the retain statement

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[详细]

2023-02-11 20:57 分类：问答
When does retain count for an autoreleased object decrement?

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[详细]

2023-02-09 08:53 分类：问答
how to use correctly retain and release in an app for iPhone / iPad

I\'m a newbie in programming for iPhone / iPad with Objective-C. I have problems with memory management by releasing or retaing objects.[详细]

2023-02-07 16:45 分类：问答
Objective-C property

I\'m developing an Iphone app. I read from a book about declaring a property like below: @property (nonatomic, retain) NSArray *listData;[详细]

2023-02-05 09:40 分类：问答
iPhone - What happens if retain after autorelease?

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 ?[详细]

2023-02-05 09:16 分类：问答