jaminguy

- (UIInterfaceOrientation)orientationByTransforming:(CGAffineTransform)transform fromOrientation:(UIInterfaceOrientation)c
{
    CGFloat angle = atan2f(transform.b, transform.a);
    NSInteger multiplier = (NSInteger)roundf(angle / M_PI_2);
    UIInterfaceOrientation orientation = self.interfaceOrientation;
    
    if (multiplier < 0) {
        // clockwise rotation
        while (multiplier++ < 0) {
            switch (orientation) {

jaminguy

#pragma mark - NSFetchedResultsControllerDelegate methods

- (void)controllerWillChangeContent:(NSFetchedResultsController *)controller {
    [self.tableView beginUpdates];
}

- (void)controller:(NSFetchedResultsController *)controller
   didChangeObject:(id)anObject
       atIndexPath:(NSIndexPath *)indexPath
     forChangeType:(NSFetchedResultsChangeType)type