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backtrace和backtrace_symbols函数原理解析 backtrace()是glibc(>=2.1)提供的函数,用于跟踪函数的调用关系。 以下对backtrace()函数的说明以及实例,都来自其man page。 函数定义 #include <execinfo.h> int back 阅读全文
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订单用mongdb 订单用mongdb 订单用mongdb 阅读全文
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assert断言 assert断言 assert断言 assert断言 阅读全文
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ALTER USER "root"@"localhost" IDENTIFIED BY "1234568888"; 阅读全文
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root@ubuntu:/usr/local/mysql# ./bin/mysql.server restartShutting down MySQL.. * Starting MySQL...... * The server quit without updating PID file (/usr 阅读全文
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use mysqlupdate user set authentication_string='' where user='root'; USE mysql;UPDATE user SET authentication_string=PASSWORD('新密码') WHERE User='root' 阅读全文
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./bin/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data ./bin/mysql_install_db --user=mysql --datadir=/usr/local/mysql/data ./bin/mysql_in 阅读全文
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GRANT all PRIVILEGES ON * .* to 'root'@'%' IDENTIFIED by '123456' with grant OPTION; 错误 阅读全文
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grant all on mysql.* to 'root'@'192.168.232.1' identified by '1234568888'; 阅读全文
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CREATE TABLE `servers` (`Server_name` char(64) NOT NULL,`Host` char(64) NOT NULL,`Db` char(64) NOT NULL,`Username` char(64) NOT NULL,`Password` char(6 阅读全文