How to delete a record when two tables have foreign key referenced to each other?

Delete any record of them will report an error like this: ERROR 1451 (23000): Cannot delete or update a parent row: a foreign key

UITableViewCell displaying incorrect alpha based background colors

I have a UITableViewCell with the UITableViewStyleGrouped style and I would like to change the background color of the cell.

有了解SAP PS如何定义项目信息数据库选择的参数文件？

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Hierarchy in Qt [C++]

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有一首粤语歌叫战什么名字？

圣斗士作者是谁啊？？

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How can I match mixed whitespace and () in Perl?

How do I improve my Perl regex to handle the __DATA__ below?开发者_如何学运维 my ($type, $value) =~ /<(\\w+)\\s+(.*?)\\(\\)>/;

Plist not saving from dictionary (to Documents)

I\'ve been trying to save a plist of a NSDictionary to my app\'s Documents folder. I haven\'t tried this on the device yet but I\'d like it to work on the simulator for testing purposes. The [self cre

2022金陵科技学院寒假时间 什么时候开始放假？

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Navigation stack monitoring

Can anyone tell me why this comparison keeps making my app freeze and crash? NSArray *viewControllerArray = [controlFromMap.navigationController viewControllers];