alloc

相关标签：javascript jquery android 多少钱 iPhone

Objective C: release and alloc

I\'m pretty new to C and Objective C, however I can\'t find this answer So I ran into a problem that took me a while to work out, basica开发者_如何转开发lly I was told that when ever you alloc an ob[详细]

2023-03-19 23:00 分类：问答
initWithContentsOfFile:path] memory management when returns nil

[[UIImage alloc] initWithContentsOfFile:path] return nil when the method can\'t initialize the image. Then next code is not releasing the allocated UIImage, as image is nil in the [image release] lin[详细]

2023-03-17 03:30 分类：问答
App crashes when releasing a view properly

Hope you can help me with this problem. I am having issues with the following code: -(IBAction)swapViews:(id)sender{[详细]

2023-03-15 16:54 分类：问答
init] in automatic reference counting

I know that I am suppose to use: ObjectClass *tmpObject = [[ObjectClass alloc] init]; realObject = tmpObject;[详细]

2023-03-15 05:55 分类：问答
NSString init or alloc error?

I have this interface: #import <Foundation/Foundation.h> @interface Cards : NSObject {NSString* effect;NSString* image;}[详细]

2023-03-09 18:42 分类：问答
Objective-C class inheritance and allocation

Given the line below where Square is a subclass of Rectangle: Rectangle *thisObject = [[Square alloc] init];[详细]

2023-03-02 11:08 分类：问答
How to release static Objective-C variables

The StackOverflow question \"using static keyword in objective-c when defining a cached variable\" references code from Example 4 of Xcode\'s TableViewSuite that de开发者_C百科fines a static NSDateFor[详细]

2023-02-22 17:54 分类：问答
When declaring a new String Object, is it necessary to instantiate it first?

Is it necessary to do instantiation for a new string object as the follo开发者_Python百科wing code shows:[详细]

2023-02-22 10:32 分类：问答
Can I return allocated object and release it outside function?

- (NSString *)allocString{ NSString *str = [[NSString alloc] init]; return str; } - (void)viewDidLoad{ NSString *name = [self allocString];[详细]

2023-02-20 15:28 分类：问答
What happens to alloc if initWithX fails?

It is common practice to write MyClass* obj = [[MyClass alloc] initWithX:X] in Objective-C. initWithX is usually defined as[详细]

2023-02-20 08:29 分类：问答