最近遇到一个关于发布订阅(Replication)的奇葩问题,特此记录一下这个案例.我们一SQL SERVER数据库服务器出现大量告警.告警信息如下所示: DESCRIPTION: Replication-Replication Distribution Subsystem: agent xxxxxx failed. Column names in each table must be unique. Column name 'xxxxx' in table 'dbo.xxxxxx' is sp
自己安装keil4和mdk共存后,(我是先安装的keil 后安装的 MDK),在51单片机工程里不能使用go to definition Of 'XXXXXX'问题, 类似的如图 已经困扰了好长时间,不过自己记得当年好像是可以的,,,不过现在找到了解决方法 现在可以试一下了,,,下面这个地方一定要勾选
date命令的用法: [root@apache ~]# date //查看当前系统的时间 Sat Jun 14 13:46:02 CST 2014 [root@apache ~]# date -s "2015-06-07 12:30" //修改当前系统的时间 Sun Jun 7 12:30:00 CST 2015 [root@apache ~]# date +%T //显示当前系统的时间,时分秒24制 13:47:13 [root@apache ~]# date +%X //一样的显
mysql Host ‘XXXXXX’ is blocked because of many connection errors ERROR 1129 (00000): Host ‘XXXXXX’ is blocked because of many connection errors; unblock with ‘mysqladmin flush-hosts’查了下资料 这说明mysqld已经得到了大量(max_connect_errors)的主机’hostname’的在中途被中断了的连接请求
http://stackoverflow.com/questions/3228664/why-am-i-able-to-change-the-contents-of-const-char-ptr I passed a pointer ptr to a function whose prototype takes it as const. foo( const char *str ); Which according to my understanding means that it will n
找了很多网页, 有效的是MX可以设置不同的域名,但PTR只设置一个即可... 如果设置为一个IP为两个PTR,则在进行测试时,会发生DNS ROBBINS,即一次找这个,一次找那个. 切记. .... I know this is an old thread, but recently had a customer request multiple PTR names for a single IP, and they keep coming back asking, is it done, i
今天调试程序的时候,发现一个奇怪的问题,之前调试都没问题的,今早加了一点东西,就出现错误,跳到调试位置,如下4行红色部分 ; Find next lower page and probe cs20: sub eax, _PAGESIZE_ ; decrease by PAGESIZE test dword ptr [eax],eax ; probe page. jmp short cs10 _chkstk endp end 感觉好奇怪,然后断点调试,连程序的入口都没进就出现了这个错误,好郁闷.
I now realise my arguments to invoke should be more along the lines of byte[] result = tApp.invoke("GGGGIGGGG:I:G64", leos.size(), nbs, null,ReturnFlags.CHECK_NONE); Though I know this is 100% correct! Once again, the parametersto this method ar