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How do I kill all the processes in Mysql “show processlist”?

... You need to kill them one by one, MySQL does not have any massive kill command. You can script it in any language, for example in PHP you can use something like: $result = mysql_query("SHOW FULL PROCESSLIST"); while ($row=mysql_fetch_array($result)) { $pro...
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App Inventor 2 低功耗蓝牙(BLE) 硬件接入、数据通信及IO控制 - App Invent...

...本文主要介绍一款较为通用、价格低廉的BLE设备从零开始如何利用App Inventor 2开发一款自己专属的手机蓝牙App应用。BLE与经典蓝牙的区别可参考:《低功耗蓝牙(BLE) 和 经典蓝牙(SPP) 的区别》。本文主要通过一款常见的BLE硬件接入...
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mysql blob大小配置介绍 - 数据库(内核) - 清泛网 - 专注C/C++及内核技术

...理器(如数据库管理器)不去理会文件是什么,而是关心如何去处理它。但也有专家强调,这种处理大数据对象的方法是把双刃剑,它有可能引发一些问题,如存储的二进制文件过大,会使数据库的性能下降。在数据库中存放体...
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Suppress warning messages using mysql from within Terminal, but password written in bash script

When I tried running the following command on MySQL from within Terminal: 25 Answers 2...
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com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure

... So, you have a com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure java.net.ConnectException: Connection refused I'm quoting from this answer which also contains a step-by-step MySQL+JDBC tutorial: If yo...
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实战做项目如何选择开源许可协议(一)-了解协议 - 开源 & Github - 清泛网...

实战做项目如何选择开源许可协议(一)-了解协议opensource_permission目前国内开源项目正在逐渐升温,中国也开始有不少优秀的开源项目突显出来。在大家摩拳擦掌准备加入开源大军时,也要知道这个圈子里的规则。...目前国内...
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error: 'Can't connect to local MySQL server through socket '/var/run/mysqld/mysqld.sock' (2)' — Miss

...roblem started off with me not being able to log in as root any more on my mysql install. I was attempting to run mysql without passwords turned on... but whenever I ran the command ...
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据说智商高的人都这样设密码... - 轻松一刻 - 清泛网 - 专注C/C++及内核技术

据说智商高的人都这样设密码...密码,一个私密又纠结的东西。既不能设太简单让别人知道,又不能搞太复杂,最后连自己都忘了。大多数人会选用自己或伴侣、家人、朋友的生日...密码,一个私密又纠结的东西。既不能设太简...
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How to import a single table in to mysql database using command line

... Linux : In command line mysql -u username -p databasename < path/example.sql put your table in example.sql Import / Export for single table: Export table schema mysqldump -u username -p databasename tableName > path/example.sql This ...
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How to take backup of a single table in a MySQL database?

By default, mysqldump takes the backup of an entire database. I need to backup a single table in MySQL. Is it possible? How do I restore it? ...