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Fatal error: Can't open and lock privilege tables: Table 'mysql.host' doesn't exist
[root@localhostdownload]#servicemysqldstartRedirectingto/bin/systemctlstartmysqld.serviceJobformysqld.servicefailedbecauseatimeoutwasexceeded.See"systemctlstatusmysqld.service"and"journalctl-xe"fordetails.解决了一个安装包的问题,然后安装后mysql起不来啊more/..
分类:数据库   时间:2016-11-05 09:49:24    阅读次数:632
leetcode笔记11 First Unique Character in a String
题目描述: Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may assu ...
分类:其他好文   时间:2016-11-04 14:04:30    阅读次数:136
Table 'performance_schema.session_variables' doesn't exist
出现标题所示错误时设置如下参数可以解决!set @@global.show_compatibility_56=ON; ...
分类:其他好文   时间:2016-11-03 13:40:09    阅读次数:486
[Angular2 Animation] Control Undefined Angular 2 States with void State
Each trigger starts with an “undefined” state or a “void” state which doesn’t match any of your currently defined states. You have to be aware of when ...
分类:其他好文   时间:2016-10-28 17:44:20    阅读次数:245
(OAF)jdeveloper集成log4j并将日志输出到指定文件并写入数据库
参考: How to configure Log4j in JDev 11g Ever wanted to use log4j in your adf project ? Well though Oracle doesn’t recommends the use of log4j, i say it ...
分类:数据库   时间:2016-10-27 13:01:26    阅读次数:522
SQL语句
错误: Column count doesn't match value count at row 1 列计数与第1行的值计数不匹配 You have an error in your SQL syntax; check the manual that corresponds to your MyS ...
分类:数据库   时间:2016-10-25 19:06:00    阅读次数:321
First Unique Character in a String
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may assume the ...
分类:其他好文   时间:2016-10-25 02:03:22    阅读次数:257
LeetCode - 387. First Unique Character in a String
Given a string, find the first non-repeating character in it and return it's index. If it doesn't exist, return -1. Examples: Note: You may assume the ...
分类:其他好文   时间:2016-10-18 22:54:23    阅读次数:104
MySQL: Table 'mysql.plugin' doesn't exist的解决
安装解压版MySQL以后,不能启动,日志里面出现了这个错误: 这是因为mysql服务启动时候找不到内置数据库“mysql”,找不到那张表,将之前的目录里面的“mysql”数据库拷贝到新的数据库文件存放目录,即可解决这个问题。 ...
分类:数据库   时间:2016-10-18 13:24:33    阅读次数:203
Examples of complexity pattern
O(1):constant - the operation doesn't depend on the size of its input, e.g. adding a node to the tail of a linked list where we always maintain a poin ...
分类:其他好文   时间:2016-10-17 23:03:46    阅读次数:159
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