So I have the following structure.Basically a tree view. Each node has a set (NSSet of nodes), each node is a object that contains an NSD开发者_如何学运维ate.
I read the doc of course, but I don\'t quite get the meaning of \"setting up any sections and ordering the contents\".
I am trying to retrieve results from search bar text in Core Data on a pro开发者_如何学JAVAperty that is an NSNumber.
I am using an NSFetchedResultsController that uses a predicate to fetch some managed objects. I have always assumed that the NSFetchedResultsController is updated when the开发者_StackOverflow中文版 ob
I\'m working with an NSFetchedResultsController to show data in a UITableView. I have a to many relationship which looks something like this:
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.
I have a model with a many-to-many relationship between the following entities: Meeting >---< Person
Let\'s say I have two entities, Employee and Department. A department has a to-many relationship with an employee, many employees can be in each department but each employee only belongs to one depart
In coredata, i have a transient property to use has sections. The transient property code is here: - (NSString *) firstLetter_transient {
I\'m having a visual issue while using an NSFetchedResultsController with a UITableView. I\'ve discovered that the iPhoneCoreDataRecipes sample code from Apple exhibits the same problem. I\'m looking