大约有 40,000 项符合查询结果(耗时:0.0250秒) [XML]

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如何查看Oracle用户的SQL执行历史记录? - 数据库(内核) - 清泛网 - 专注C/...

...来源:http://www.cnblogs.com/net2012/archive/2013/01/21/2869636.html 问题:如何知道一个session都执行过哪些SQL语句?(查看当前比较容易,历史的呢?怎么复原sql的执行场景——事务关系、执行序列、单SQL还是存储过程) 【方法一】查...
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MySQL (\'root\'@\'%\') does not exist 的问题 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

MySQL ('root'@'%') does not exist 的问题MySQL ('root'@'%') does not exist的问题:在使用mysql时出现问题: The user specified as a definer ('...MySQL ('root'@'%') does not exist的问题: 在使用mysql时出现问题: The user specified as a definer ('root'@'%') does not exist。...
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在线服务的黑天鹅 - 资讯 - 清泛网 - 专注C/C++及内核技术

...利用周日休息一下,但是一醒来就收到消息说某服务有些问题。于是赶紧连线了一堆正在处理事件的工程师,等拿到初步的原因分析之后,已经4小时之后了。 “墨菲定律”,一位工程师说,“前几天觉得这个地方有些隐患,已...
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Two-way encryption: I need to store passwords that can be retrieved

... Personally, I would use mcrypt like others posted. But there is much more to note... How do I encrypt and decrypt a password in PHP? See below for a strong class that takes care of everything for you: What is the safest algorit...
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LINGO使用指南.doc - 脚本技术 - 清泛IT论坛,有思想、有深度

LINGO是用来求解线性和非线性优化问题的简易工具。LINGO内置了一种建立最优化模型的语言,可以简便地表达大规模问题,利用LINGO高效的求解器可快速求解并分析结果。 §1  LINGO快速入门当你在windows下开始运行LINGO系统时...
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“列表显示框”中的列表选项点不动? - App Inventor 2 中文网 - 清泛IT社...

...项目手机点不动的话,换模拟器试试。便于找到导致这个问题的第一因素,解决大部分问题都可利用这个思路。 项目待测试排查。。。使用手机又测试了一遍,列表项可以正常点击切换。感觉有点怀疑手机兼容问题{:8_383:}
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怎么通过app inventor接收mqtt平台推送的长消息 - App Inventor 2 中文网 -...

...息是图片的BASE64编码 你好,mqtt接收长消息目前是有什么问题吗?请提供详细的问题截图或报错信息。 接收的base64编码的图片,可以是使用拓展解码还原成图片:https://www.fun123.cn/reference/ ... A%E5%AA%92%E4%BD%93我想制作一个门禁系...
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PHP code to convert a MySQL query to CSV [closed]

... SELECT * INTO OUTFILE "c:/mydata.csv" FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '"' LINES TERMINATED BY "\n" FROM my_table; (the documentation for this is here: http://dev.mysql.com/doc/refman/5.0/en/select.html) or: $select = "SELECT * FROM table_name"; $export = mysql_query ( $sel...
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How to get the file extension in PHP? [duplicate]

... 'Only variables should be passed by reference', the PHP Manual – dader Dec 20 '12 at 2:01 ...
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How do I remove  from the beginning of a file?

...oks fine when I open it using gedit , but when it's read by PHP (to merge all the CSS files into one), this CSS has the following characters prepended to it:  ...