I\'m trying to filter an array of objects that essentially form a tree-style graph.what i want to do is to filter out all objects from this array whose visible property is NO, or if its parent/grandpa
My application has the data models a little bit complicated. I need to debug a fetch request with different predicates.
I need to reload a Person NSManagedObject before I pass it o开发者_StackOverflownto the next View.
I know how to create NSPredicate to do sql like \"SELECT * FROM DRINK\". But how about this query:开发者_StackOverflow
For example i开发者_如何学运维f I had this predicate format string, would that have the same security benefits like prepared statements in SQL offer?
I\'m trying to us开发者_如何转开发e NSArray\'s filteredArrayUsingPredicate: method to filter an array of core data managed-objects. Here\'s an outline:
I have a NSPredicate that l开发者_JS百科ooks like this: NSPredicate *likePredicate3= [NSPredicate predicateWithFormat:@\"synonyms LIKE[cd] %@\",[NSString stringWithFormat:@\"%@\", searchText]];
I\'m creating a开发者_StackOverflow simple Navigation-based app using core data for my iPhone and I\'m trying to implement a little search.
I have an NSArrayController, companiesController bound to a t开发者_如何学编程op level Core Data entity, Companies.
I have 2 entities, A and B that have a many to many relationship. The A entity has about 10,000 objects in, and B has about 20 objects.
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