nsarray

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How retrieve an index of an NSArray using a NSPredicate?

I would know how retrieve an index of an NSArray using a NSPredicate ? NSArray *array = [NSArray arrayWithObjects:[详细]

2023-04-01 01:16 分类：问答
objective-c why does nslog show strings inbetween double quotation marks " "?

I am开发者_JAVA百科 loading a nsarray from a textfile: NSArray *noWords = [[NSArray alloc] initWithArray:[详细]

2023-04-01 01:13 分类：问答
Getting unique numbers from two arrays

If I have a couple of NSArrays filled with 开发者_如何转开发ints, or NSNumbers, like so: A: { 12, 23, 45, 56, 67, 78, 99, 234 }[详细]

2023-03-31 14:57 分类：问答
NSDictionary within NSArray

A quick question about NSArrays and NDictionarys. I have and NSArray containing NSDictionarys. The NSDictionary contain a date and开发者_JAVA百科 a string.[详细]

2023-03-31 14:49 分类：问答
Add dynamically created string to an array

I am making an iphone app in which I want to store the dynamically selected time into an array, but unable to implement the method to store the strings into an ar开发者_开发技巧ray. Following is the c[详细]

2023-03-31 12:43 分类：问答
Release NSArray assigned to UIBar

In my app i want to make array, add to toolbar and then release it. However when i release it my app crashes. Why so...? What to do to omit it?[详细]

2023-03-31 12:22 分类：问答
predicateWithFormat vs stringWithFormat: is the former supposed to do the same as the latter?

I have an array with file names and I want to find all 开发者_如何学编程the names that end with e.g. 00001.trc when traceNum is 1. I tried this:[详细]

2023-03-31 11:32 分类：问答
NSArray "out of scope"

.h @property (nona开发者_运维百科tomic, retain) NSArray *m_plistData; .m @synthesize m_plistData;[详细]

2023-03-31 10:21 分类：问答
delete an item from a NSMutableArray for a specific key

I am trying to figure out how to delete one item from this NSMutableArray that I am using for a sectioned table. This is how I build the data source:[详细]

2023-03-31 09:44 分类：问答
Putting single attribute from group of entity objects into an array

If I have an NSArray of custom objects (in this case Core Data objects), how would I put all the items of a particular attribute in another NSArray. Is there a way I can use blocks?[详细]

2023-03-31 07:44 分类：问答