Issues and Solutions - Sharing my Experience

To remove the default extra rows in the table view, use the below code in table view controller: tableView.edgesForExtendedLayout = UIRectEdgeNone; tableView.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];

   To run database fetching in background thread(in a separate context), so that the UI does not get blocked: __block NSMutableArray *dataArray= [[NSMutableArray alloc] init];   // Create a child context of the main context   NSManagedObjectContext *privateContext = [NSManagedObjectContext MR_context];   // When using private contexts execute the core data code in it's private queue using performBlock: or performBlockAndWait:   [privateContext performBlock:^{     // Execute fetch   NSArray *privateObjects;   if(entity_predicate == nil) {       //fetch all! duh!       privateObjects = [self MR_findAllSortedBy:sort_key ascending:YES inContext:privateContext];     } else {       privateObjects = [self MR_findAllSortedBy:sort_key ascending:YES withPredicate:entity_predicate inContext:privateContext];   ...