2014/10/15 下午 10:08:57

iphone Programming Glossary: fetchedobjects

core data: [NSFetchedResultsController -fetchedObjects], will this method reflect object change?

http://stackoverflow.com/questions/13391934/core-data-nsfetchedresultscontroller-fetchedobjects-will-this-method-reflec

data NSFetchedResultsController fetchedObjects will this method reflect object change first I create a NSFetchedResultsController with a NSFetchRequest that fetches all.. of Entity and Edit B which is also an instance of Entity . then I call NSArray result fetchedResultsController fetchedObjects will A and B in result Throughout the project I use only one NSManagedObjectContext. if I do what does this mean in its.. B in result Throughout the project I use only one NSManagedObjectContext. if I do what does this mean in its Document fetchedObjects The results of the fetch. @property nonatomic readonly NSArray fetchedObjects Discussion The value of the property is nil..

Changing the Sorting in an NSFetchedResultsController on the fly

http://stackoverflow.com/questions/1716174/changing-the-sorting-in-an-nsfetchedresultscontroller-on-the-fly

set this variable accordingly BOOL ascending sender selectedSegmentIndex 0 NSArray allObjects fetchedResultsController fetchedObjects NSSortDescriptor sortNameDescriptor NSSortDescriptor alloc initWithKey @ name ascending ascending autorelease NSArray..

Core Data cannot resolve faults when object has “description” attribute?

http://stackoverflow.com/questions/2169252/core-data-cannot-resolve-faults-when-object-has-description-attribute

frc.delegate self NSError error BOOL success frc performFetch error if success NSLog @ error @ error for A a in frc fetchedObjects someMutableArray addObject a.b someMutableArray addObject a Data model A and B are entities. A has mandatory to one relation..

Core Data pattern: how to efficiently update local info with changes from network?

http://stackoverflow.com/questions/2209228/core-data-pattern-how-to-efficiently-update-local-info-with-changes-from-networ

my entity cache fetchRequest setPredicate self objectPredicateById objectId predicate cache NSError error nil NSArray fetchedObjects moc executeFetchRequest fetchRequest error error if fetchedObjects count 1 fetchRequest release return fetchedObjects objectAtIndex.. objectId predicate cache NSError error nil NSArray fetchedObjects moc executeFetchRequest fetchRequest error error if fetchedObjects count 1 fetchRequest release return fetchedObjects objectAtIndex 0 fetchRequest release return nil MyObject obj self myObjectById.. fetchedObjects moc executeFetchRequest fetchRequest error error if fetchedObjects count 1 fetchRequest release return fetchedObjects objectAtIndex 0 fetchRequest release return nil MyObject obj self myObjectById if obj NSEntityDescription insertNewObjectForEntityForName..

Core Data: UITableView with multiple NSFetchedResultControllers

http://stackoverflow.com/questions/2308487/core-data-uitableview-with-multiple-nsfetchedresultcontrollers

tableView UITableView tableView numberOfRowsInSection NSInteger section if section 0 return fetchedResultsController1 fetchedObjects count else if section 1 return fetchedResultsController2 fetchedObjects count return 0 Build the cell UITableViewCell tableView.. if section 0 return fetchedResultsController1 fetchedObjects count else if section 1 return fetchedResultsController2 fetchedObjects count return 0 Build the cell UITableViewCell tableView UITableView tableView cellForRowAtIndexPath NSIndexPath indexPath..

NSManagedObjects that I own being released by main.m?

http://stackoverflow.com/questions/2375551/nsmanagedobjects-that-i-own-being-released-by-main-m

NSError error nil if self fetchedResultsController performFetch error self.categories fetchedResultsController fetchedObjects NSMutableDictionary tipsMutableDictionary NSMutableDictionary alloc init for Category category in self.categories NSMutableArray..

Using an NSFetchedResultsController without a UITableViewController

http://stackoverflow.com/questions/3277415/using-an-nsfetchedresultscontroller-without-a-uitableviewcontroller

I shouldn't be using an NSFetchedResultsController at all Re alternative methods one work around would be to pass the fetchedObjects to an array and then work with that array. But in my experience creating new pointers to FRC objects always causes problems... you might be able to help me out with UPDATE this issue is tentatively solved by using NSFetchedResultsController fetchedObjects objectAtIndex iphone cocoa touch core data nsfetchedresultscontrolle share improve this question This is solved by.. core data nsfetchedresultscontrolle share improve this question This is solved by using NSFetchedResultsController fetchedObjects objectAtIndex NSFetchedResultsController behaves as a collection of managed objects similar to an NSArray which makes it..

Need some help understanding transient properties in Core Data

http://stackoverflow.com/questions/7504391/need-some-help-understanding-transient-properties-in-core-data

related Beta object. Then I restarted the app and ran a fetch of all Alpha objects. Then I logged the following id aa fetchedObjects objectAtIndex 0 id bb aa valueForKey @ betas anyObject NSLog @ aa isFault @ aa isFault @ YES @ NO aa isFault NO NSLog @..