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Illegal mix of collations MySQL Error

...E your_table_name CONVERT TO CHARACTER SET utf8 COLLATE utf8_general_ci; MySQL sneaks swedish in there sometimes for no sensible reason. share | improve this answer | follo...
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30岁之后,程序员该向什么方向发展? - 杂谈 - 清泛网 - 专注C/C++及内核技术

...怕什么? QA&3. 专注coding还是走向管理,程序员职场规划如何抉择? 严清: 我是选择了偏向 coding,但还是要做一定管理,我要带领小伙伴们提升技术,要推进公司的技术水平,这些还是需要管理的。可以说是管理技术不管产...
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mysql create user if not exists

I have a query to check mysql users list for create new user. 2 Answers 2 ...
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MySQL Error 1215: Cannot add foreign key constraint

...the 4th point was my problem. It's kind of nasty - but I'm very very happy mysql did crash for that – Sebas Jun 16 '16 at 15:21  |  show 10 mo...
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mysql check collation of a table

... Works for me in mysql 5.5.52. ...) ENGINE=InnoDB AUTO_INCREMENT=24 DEFAULT CHARSET=latin1 My guess is it may not show the collation if it is set to the default for the database in later versions of mysql/mariadb. – Deve...
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MySQL Delete all rows from table and reset ID to zero

...wiping out. Enabling the foreign key checks after the fact does not cause MySQL to revalidate those foreign keys as far as I am aware. This leaves you with rows that contain data that does not exist in the reference table. You may as well not even have foreign keys on your table at all. ...
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GestureDetect 手势检测扩展:识别滑动、点击和长按手势 · App Inventor 2 中文网

...作用? Q: 可以在滚动排列中使用吗? Q: 如何在同一个组件上检测多种手势? Q: 可以自定义手势的灵敏度吗? Q: 支持哪些布局组件? Q: 如何实现更复杂的图片滑动功能? 版...
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How to use mysql JOIN without ON condition?

... MySQL documentation covers this topic. Here is a synopsis. When using join or inner join, the on condition is optional. This is different from the ANSI standard and different from almost any other database. The effect is ...
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MySQL convert date string to Unix timestamp

... You will certainly have to use both STR_TO_DATE to convert your date to a MySQL standard date format, and UNIX_TIMESTAMP to get the timestamp from it. Given the format of your date, something like UNIX_TIMESTAMP(STR_TO_DATE(Sales.SalesDate, '%M %e %Y %h:%i%p')) Will gives you a valid timestam...
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Count with IF condition in MySQL query

... Or even SUM(ccc_news_comments.id = 'approved') as a MySQL-specific trick – mojuba Jan 21 '13 at 20:44 1 ...