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Transaction Replication1:Subscription PK columns are readonly
在使用Transaction Replication时,Subscriber 端必须是Read Only的, all data at the Subscriber is “read-only” (transactional replication does not enforce this at t...
分类:其他好文   时间:2015-12-16 15:34:09    阅读次数:180
KVM for linux 安装简要说明
KVMForLinux第一章安装准备1.1安装linux系统linux安装过程略1.2停止服务serviceNetworkManagerstopserviceiptablesstopvi/etc/selinux/config修改内容如下把SELINUX=enforce改为SELINUX=disables按一下ESC键然后冒号:wq!保存退出第二章安装过程2.1进入linux图形界面点击命令行..
分类:系统相关   时间:2015-12-09 15:21:06    阅读次数:196
Effective Java 英文 第二版 读书笔记 Item 4:Attempting to enforce noninstantiability by making a class abstract does not work.
The class can be subclassed and the subclass instantiated.Futhermore,it misleads the user into thinking the class was designed for inheritance(继承). Th...
分类:编程语言   时间:2015-09-04 17:07:47    阅读次数:246
Effective Java 英文 第二版 读书笔记 Item 3:Enforce the singleton property with a private constructor or an enum type.
Making a class a singleton can make it difficult to test clients.package singletonProperty;//ingleton with public final field public class ElvisField ...
分类:编程语言   时间:2015-09-04 07:14:41    阅读次数:146
linux mysql errorcode 29
sudo aa-status If mysqld is included in enforce mode ?when AppArmor blocks the writes/accesses. What you can do is edit /etc/apparmor.d/usr.sbin.mysqld near the bottom like so: ... /usr/sbin/mysq...
分类:数据库   时间:2015-08-07 20:30:58    阅读次数:181
oc 中四种实例变量的范围类型@private@protected@public@package
To enforce the ability of an object to hide its data, the compiler limits the scope of instance variables—that is, limits their visibility within the ...
分类:其他好文   时间:2015-07-08 22:10:42    阅读次数:157
iOS中四种实例变量的范围类型@private@protected@public@package
文档上记录是这样的The Scope of Instance VariablesTo enforce the ability of an object to hide its data, the compiler limits the scope of instance variables—that...
分类:移动开发   时间:2015-06-28 12:39:00    阅读次数:177
Kernel panic-not syncing:attempted to kill init!
如上图所示:在本虚拟机DD 创建了一个1M的文件后,所有命令都失效了,重启之后就报上图的错误查询了网上的一些方法:grub模式内核添加enforce=0 ,senlinux=0 都不行,最后采用老办法,救援模式进去virsh edit shell使虚拟机从光驱启动,选择救援模式-----------...
分类:其他好文   时间:2015-06-11 16:03:24    阅读次数:187
SQL报错error:索引中丢失IN或OUT参数
简单记录下: 今天mybatis中遇到一个错误: org.springframework.jdbc.UncategorizedSQLException: PreparedStatementCallback; uncategorized SQLException for SQL [INSERT INTO law_enforce_user(user_code,name,sex,birthday) ...
分类:数据库   时间:2015-06-08 09:44:57    阅读次数:464
States of Integrity Constraints
States of Integrity ConstraintsAs part of constraint definition, you can specify how and when Oracle Database should enforce the constraint, thereby d...
分类:其他好文   时间:2015-05-18 14:20:20    阅读次数:220
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