I have an NSTableView whose columns are bound to a subclass of NSArrayController.Each entry of the \'value\' column is a list of file paths (in the model), in particular, PATH and PYT开发者_如何学JAVA
I\'m trying to fetch from Core Data records that have a startTime between two dates. Here\'s my code: NSDate *today = [NSDate date];
maybe you can help me. What is wrong with this code: -(NSMutableArray *)returnItemsWithName:(NSString *)name{
Could any one tell me what\'s the wrong with this code? It raises the following error and cause application to crash:
I have a coredata table with a list of 32 languages. Each language has a relationship one-to-many with translations, which contains 32 translations of the associated language.
Within my CoreData model, I have an Event entity which is paired with specific Activity entities. Currently, I have an optional relationship between Event and Activity called LatestActivity. I\'m now
For a relationship like this: TagGroups<---->>Tags<<---->>Object An Object has tags, tags can be grouped by tagGroups.
I am making a little program that will put some events in a calendar on the iPhone. In the settings I will let the user select wich calendar to use. To present what calendars he can use I pull all cal
I am trying to filter an array using a predicate checking for files ending in a set of extensions. How could I do it?
I have a SQLite-backed core data storage and would like to fetch a list of managed objects using NSFetchRequest. I want said list to be sorted by a boolean value that can be easily calculated at the d