大约有 7,000 项符合查询结果(耗时:0.0171秒) [XML]

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Truncate all tables in a MySQL database in one command?

... Drop (i.e. remove tables) mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "drop table $table" DATABASE_NAME; done Truncate (i.e. empty tables) mysql -Nse 'show tables' DATABASE_NAME | while read table; do mysql -e "truncate t...
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Escaping single quote in PHP when inserting into MySQL [duplicate]

... You should be escaping each of these strings (in both snippets) with mysql_real_escape_string(). http://us3.php.net/mysql-real-escape-string The reason your two queries are behaving differently is likely because you have magic_quotes_gpc turned on (which you should know is a bad idea). This...
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Create an index on a huge MySQL production table without table locking

I need to create an index on a ~5M rows MySQL table. It is a production table, and I fear a complete block of everything if I run a CREATE INDEX statement... ...
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MySQL query to get column names?

I'd like to get all of a mysql table's col names into an array in php? 21 Answers 21 ...
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List of Stored Procedures/Functions Mysql Command Line

How can I see the list of the stored procedures or stored functions in mysql command line like show tables; or show databases; commands. ...
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BugTrap程序崩溃快照上传服务端开发配置 - C/C++ - 清泛网 - 专注C/C++及内核技术

...篇《BugTrap:程序崩溃快照、bug跟踪之利器》详细介绍了如何利用BugTrap监控程序崩溃,这里继续介绍如何将客户端的崩溃包上传至服务器端(当然前提是用户选择“发送报告”)。上一篇《BugTrap:程序崩溃快照、bug跟踪之利器》...
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程序员找女朋友的技术攻略:实战篇 - 杂谈 - 清泛网 - 专注C/C++及内核技术

...确需求是很难达到预期效果的。这次,我们来谈谈程序员如何找女朋友,如何找到女朋友,这里有几点战略性的建议: 一、如何搭讪 • 不要害羞 有一部分程序员“天生不够淫荡”,看到女生就会脸红,尤其是自己喜欢的...
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一张图告诉你是需要 SQL 还是 Hadoop - 大数据 & AI - 清泛网 - 专注C/C++及内核技术

...己的项目,什么时候用 SQL,什么时候用 Hadoop,它们之间如何取舍?Aaron Cordova 用一张图来回答你这个问题,对于不同的数据场景,如何选取正确的数据存储处理工具进行了详细描述。Aaron Cordova 是美国大数据分析及架构专家,Kov...
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App Inventor 2在不同的屏幕之间传递变量 - App Inventor 2 中文网 - 清泛I...

... 屏幕2的代码如下: 如果有两个变量,该如何操作?6921孙 发表于 2023-01-28 20:23 如果有两个变量,该如何操作? 两种思路: 1、多个变量可以用逗号拼在一起当成一个文本传递过去后,然后使用文本里的函数分...
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jemalloc 接入方法:提高内存使用效率解决内存泄漏 - C/C++ - 清泛网 - 专...

...jemalloc 介绍及编译步骤本文直接略过,仅记录一下C++程序如何接入jemalloc,以及如何确认jemalloc已载入。注:jemalloc是非侵入式的,目标程序无需依赖jemalloc库,只需要在目标 jemalloc 介绍及编译步骤本文直接略过,仅记录一下C++...