Using a write cache protected by battery (BBWC) is well known and one of the best practices in RDBMS world. But I have frequently seen situations that people do not set write cache properly. Sometimes they just forget to enable write cache. Sometimes write cache is disabled even though they say they set properly. make sure that BBWC is enabled. If not enabled, you will be able to easily get better...
by cenalulu - MySQL文档中心 - 2009-06-16 18:12:42 阅读(1059) 回复(0)
it's easy to use #ifdef MAX #...... #endif but how about a predined max(a,b) ((a)>(b) ? (a) : (b)) ? #ifdef max or #ifdef max(a,b) or something else? if it's #ifdef max(a,b), does C compiler check whether the paramenters must be a,b? like, #ifdef max(x,y) ? i'm confused, but hopefully i made myself clear. thank you in advance.
谁有/usr/share/examples/etc/make.conf的中文版 [ 本帖最后由 b.s.d 于 2006-4-22 23:06 编辑 ]
keyword: super vlan 网关 gateway, 地址分配 ip address Question: 1\ how do you assign the ip address for supervlan and subvlan and pc in subvlan. assume there have a c-class ip range 192.168.0.0/24, how do you assign it for a supervlan and tow subvlan? on solution is : the supervlan virtual interface ip 192.168.0.1 the subvlan a ip range : 192.168.0.0/24 , is not 192.168.0.0/25(or above 25...
最近数据库做了存储更换,换了个大的共享存储,同时将数据库日志模式变更为归档模式,变更后,web某些功能出现了scrollable result sets are not enabled的错误,有谁了解的请帮助。 附:Jdbc驱动在测试环境上测试可用,测试环境没有任何问题,只是驱动必须放在jboss的server/default/lib下。