nssortdescriptor

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Sort Array using Desciptors throws valueForUndefinedKey

I\'m trying to sort an NSMutableArray of YOEvento objects. YOEvento.h @interface YOEvento : NSObject { NSString *nombre; // stores the <name> tag[详细]

2023-04-11 00:11 分类：问答
Assigning NSDictionary keys to NSStrings

I\'m importing a txt file with a list of first and last names. Each new name is on it\'s own line, so I imported them into a NSMutableArray and then split them with componentsSeparatedByString:@\"\\n\[详细]

2023-04-09 18:10 分类：问答
Sorting based on one of many related entities

Entity B (Book) has a one-to-many relationship with the entity D (Description). The idea is that a book has different descriptions for different languages.[详细]

2023-04-09 02:07 分类：问答
NSFetchedResultsController `performFetch:` Results No Longer Sorted

I managed a tableview with NSFetchedResultsController whose fetch request uses a simple sort on a date attribute. It sorts properly when it first loads but when I refresh or call the loadMore method ([详细]

2023-04-05 17:04 分类：问答
Sorting of NSDictionary by amount of children per key

After searching the developer docs, google and other sites I still can\'t find how to accomplish the following...[详细]

2023-04-05 10:37 分类：问答
CoreData Sort By NSDate not work?

In Code: - (NSFetchedResultsController *)getFetchedResultsController { if (_fetchedResultsController != nil) {[详细]

2023-04-04 16:58 分类：问答
CoreData: NSSortDescriptor - Á to A, à to A (@selector)

I\'m using s selector (localizedCaseInsensitiveCompare:), but i need also to use the Diacritic selector.[详细]

2023-04-02 01:10 分类：问答
Sorting an NSFetchRequest Based on a Property within a One-to-Many Relationship?

I\'ve been prowling through the SO search results and can\'t (thus far) find an answer to this question.[详细]

2023-03-25 06:42 分类：问答
Sorting core data position changes with sort descriptors for iPhone

I have a CoreData entity with two attributes. One called \'position\' the other called \'positionChange\'. Both of them are integers where the position开发者_如何转开发 attribute is the current positi[详细]

2023-03-16 05:52 分类：问答
Comparing an NSString with NSNumber in the string

Someone else designed this class to have an NSString for an ID (I don\'t know why to be honest).So, some objects have @\"\" for their ID (blank), some have @\"id12345\" or something to that effect.I w[详细]

2023-03-16 03:49 分类：问答