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What does mysql error 1025 (HY000): Error on rename of './foo' (errorno: 150) mean?

I tried this in mysql: 14 Answers 14 ...
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MySQL/Amazon RDS error: “you do not have SUPER privileges…”

I'm attempting to copy my mysql database from an Amazon EC2 to an RDS: 7 Answers 7 ...
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内存管理内幕:动态分配的选择、折衷和实现 - C/C++ - 清泛网 - 专注C/C++及内核技术

...点是 C 语言,但同样也适用于其他语言。文中将为您提供如何管理内存的细节,然后将进一步展示如何手工管理内存,如何使用引用计数或者内存池来半手工地管理内存, 以及如何使用垃圾收集自动管理内存。为什么必须管理...
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MySQL Workbench: How to keep the connection alive

Error Code: 2013. Lost connection to MySQL server during query 9 Answers 9 ...
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Difference between two dates in MySQL

... value can range from "-838:59:59" to "838:59:59". w3schools.com/SQl/func_mysql_timediff.asp – cREcker Aug 3 '17 at 12:21 ...
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MySQL Query GROUP BY day / month / year

...ecord_date), MONTH(record_date) Check out the date and time functions in MySQL. share | improve this answer | follow | ...
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Get the new record primary key ID from MySQL insert query?

Let's say I am doing a MySQL INSERT into one of my tables and the table has the column item_id which is set to autoincrement and primary key . ...
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MySQL query String contains

I've been trying to figure out how I can make a query with MySQL that checks if the value (string $haystack ) in a certain column contains certain data (string $needle ), like this: ...
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从Sloodle看三维虚拟学习环境的发展趋势 - 资讯 - 清泛网 - 专注C/C++及内核技术

...游戏 ,吸引了越来越多的关注。现在的教育者也开始探索如何让学生在学习时也能像玩游戏一样沉浸其中。在游戏中需要解决一些交流、协作问题 ,这在学习系统中也会同样关注 ,因此很多学者也开始研究非正式学习领域内如何将...
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那些曾被追捧的90后创业男神女神,还好吗? - 资讯 - 清泛网 - 专注C/C++及内核技术

...右,距离1%还差不少。但不晓得安妮以及她的团队今后会如何去做,或许这样让人眼前一亮的作品再次出现要等很久,但我们却不得不承认,这次的1%亮了。 点评:鸡汤是这个时代最好的精神补品,但此前以漫画形式成功的案例...