gistfile1.m

-(void)scrollViewDidScroll:(UIScrollView *)scrollView
{
    // get the table and search bar bounds
    CGRect tableBounds = self.tableView.bounds;
    CGRect searchBarFrame = self.searchBar.frame;
    
    // make sure the search bar stays at the table's original x and y as the content moves 
    self.searchBar.frame = CGRectMake(tableBounds.origin.x, 
                                      tableBounds.origin.y, 
                                      searchBarFrame.size.width, 
                                      searchBarFrame.size.height
                                      );
}