小编Shi*_*ari的帖子

嗨，我是 ios 开发的新手。我正在开发一个应用程序，我在其中使用UITableView. Tableview包含一些带分隔线的单元格和其他不带分隔线的单元格。任何人都可以告诉我如何删除特定单元格的分隔线？

cell.separatorInset = UIEdgeInsetsMake(0, 0, 0, cell.bounds.size.width);

上面的代码适用于iOS 7. 我怎样才能做到这一点iOS6？任何帮助表示赞赏

嗨,我正在开发一个我应该去的应用程序:

1. 从UIViewController1到UIViewController2
2. 从UIViewController2到UIViewController3
3. 从UIViewController3到UIViewController4
4. 从UIViewController4回到UIViewController2

我在用UINavigationController.当我使用[self.navigationController pushViewController:VC2 animated:NO];,[self.navigationController popViewControllerAnimated:NO];一切正常.

但是当我使用[self.navigationController popToViewController:VC2 animated:NO];从UIViewController4应用程序终止说法Terminating app due to uncaught exception 'NSInternalInconsistencyException', reason: 'Tried to pop to a view controller that doesn't exist.'

以下是我的代码如何弹出UIViewController2

for (UIViewController *vc in self.navigationController.viewControllers) {
            if ([vc isKindOfClass:[ViewController2 class]]) {
                UIStoryboard *storyboard = [UIStoryboard storyboardWithName:@"Main" bundle: nil];
                ViewController2 *VC2 = …