pbasdf questions

pbasdf answers

• CoreData: Query to one-to-many-to-many relationship
• Swift NSFetchRequest group by one attribute
• NSInvalidArgumentException desired type = NSString; given type = __NSDictionaryM; Unacceptable type of value : property
• Grouping a dictionary NSFetchRequest by object ID
• Swift predicate that returns matches on a Core Data transformable string array
• CoreData Unrecognized Selector Sent to Instance
• UIPopoverPresentationController from a button in UITableViewCell
• Background thread with Core Data and NSFetchedResultsController
• Turn off codegen for XCode CoreData model
• App crashes on call to 'tableView endUpdates'