I feel as if this should be very simple, but it\'s behaving strangely. I have 3 entities, with a relationship as such
I\'m trying to model a Person/Team relationship. It\'s a many to many relatio开发者_运维技巧nship since a person can belong to multiple teams and a team can have multiple people. As suggested by the d
I seem to recall that it\'s possible to return the resulting object count from an NSPredicate in CoreData without actually performing a fetch, but I can\'t find any reference to this.
This problem follows on from a previous question. When I run the following line of code: NSEntityDescription *outputCellEntityDescription = [NSEntityDescription entityForName:@\"OutputCell\"
I have 2 entities, Task and List. Each task has a to-one relationship to a List object called \"list\", and there is an inverse relationship with List, which has a to-many relationship with Task calle
I\'ve got a short question. I have an NSArray filled with Cars (which inherits from NSObject).Car has the @property NSString *engine (also regarded @synthesize)
I\'m trying to make a predicate that includes special characters For example: [[myIngredients filteredSetUsingPredicate:[NSPredicate predicateWithFormat:@\"name BEGINSWITH[c] %@\", [alphabet objectA
I\'m writing an app with two tables on one screen. The left table is a list of folders and the right table shows a list of files. When tapped on a row on the left, the right table will display the fil
I\'m new to core开发者_Python百科 data and try to get all children objects of various types with one query. Say there\'s an \"Animal\" type as parent and \"Cat\", \"Dog\" and \"Bird\" as children. I\'
I\'m trying to write a query for the find-as-you-type search bar. What I want to do is query \"Kind\", and return any Kinds for which there is a LocalName with (\'name\' LIKE %@ AND localeIdentifier =