nsobject

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NSClassFromString Idea

I\'m currently trying to create objects from the NSClassFromString(NSString *) method. What I want to be able to achieve is the following...[详细]

2023-03-24 02:08 分类：问答
Editing value of an Object and duplicating it

I have an events object which is given below NSString *name; NSString *date; NSInteger id; I am storing the events object in a NSMutabelArray. I want to add to the date and store in a different arr[详细]

2023-03-21 06:37 分类：问答
How to make performSelector:withObject:afterDelay work?

Here\'s the code: -(void)setProjectID:(NSString *)newProject { [self willChangeValueForKey:@\"projectID\"];[详细]

2023-03-20 19:31 分类：问答
Categories on NSObject -- keeping it safe

Apple has this to say: Categories of the Root Class A category can add methods to any class, including the root class. Methods added to NSObject become available to all classes that are linked to yo[详细]

2023-03-20 02:29 分类：问答
how to let two ViewControllers use one NSObject

If you have one NSObject that you want two ViewControllers to be able to use, how do yo开发者_StackOverflow中文版u know which ViewController is calling it so when you pass what ever data you are compu[详细]

2023-03-18 08:13 分类：问答
Objective-C forwardInvocation:

I often do something like: CoolViewController *coolViewController = [[CoolViewController alloc] init];[详细]

2023-03-18 05:58 分类：问答
Reusing NSObjects by Overriding release in Obj-C

I am implementing an object reuse scheme using a singleton class. What I do basically is: MyClass* obj = [[MyClassBank sharedBank] getReusableItem];[详细]

2023-03-17 09:31 分类：问答
How can I add a custom Object in Interface Builder?

I\'m using XCode4 and using the awesome TTTAttributedLabel class. I\'ve created a开发者_运维问答n NSObject and set its class to TTTAttributedLabel. I can\'t seem to add this to my View. How can I do s[详细]

2023-03-16 14:21 分类：问答
Objective-C: Why check nil before respondsToSelector:?

I\'ve seen code like: 开发者_如何学Cif (delegate != nil && [delegate respondsToSelector:@selector(doSomething)]) ...[详细]

2023-03-15 04:35 分类：问答
How do I load a method thats in a class from a uiviewcontroller

I am trying to pass a uitextfield string from a view controller over to a method in a nsobject class... if you could please explain how 开发者_Python百科I do this that would be great.[详细]

2023-03-12 15:30 分类：问答