mysql-error-1452
Handling database integrity
I\'m introducing database integrity using innodb constraints in the next version of my application. Everything goes well, but some of my tables have records with deleted references (dead records) and[详细]
2023-02-06 09:02 分类：问答mysql - what does this error mean?
I do not require this error to be solved. I just need to understand what it means so I can approach it myself.[详细]
2023-01-16 15:04 分类：问答Creating a foreign key in MySQL produces error:
I\'m trying to create a foreign key on a table in MySQL and I\'m getting a strange error that there seems to be little info about in any of my searches.[详细]
2023-01-02 23:48 分类：问答Really slow obtaining font metrics
So the problem I have is that I start my application by displaying a simple menu. To size and align the text correctly I need to obtain font metrics and I cannot find a way to do it quickly. I tested[详细]
2022-12-23 05:55 分类：问答《二十不惑》遭遇全员忧愁 红楼四子爱情事业难抉择？
关晓彤、金、牛俊峰领衔主演，李庚希、曹恩奇、许领衔主演，青春励志成长剧《二十不惑》正在爱奇艺独家播出。目前剧情已经进入白热化阶段，《红楼四子》的成长线和事业线在“赢”和“不迷茫”的过程中日渐清晰[详细]
2022-12-21 12:23 分类：问答Java Desktop application: SWT vs. Swing [closed]
Closed. This question is opinion-based. It is not currently accepting answers. Want to improve this question? Update the question so it can be answered with facts and citations by editing[详细]
2022-12-20 16:30 分类：问答Batch files/table read ins
I am trying to write a little script that will help my office 开发者_开发百科automate the uploading of zips and self extractors to a ftp site.They have to create several zips/se\'s and name them vario[详细]
2022-12-17 18:16 分类：问答CODEIGNITER 4: Error 1452 -Cannot add or update a child row a foreign key constraint fails [closed]
Closed. This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post.[详细]
2022-12-07 20:39 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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