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01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注C/C++及内核技术
...racle集群介绍
RAC：真正应用集群
ASM管理存储，Oracle自己的文件系统
心跳ip有问题，关闭次节点只留主节点，防止数据混乱
virtual ip 可漂移，private ip 心跳ip，scan ip DNS解析
ntp服务禁用（时间同步服务，Oracle自己有同步）
grid ...
01_Real Application Clusters Overview - 文档下载 - 清泛网移动版 - 专注C/C++及内核技术
...racle集群介绍
RAC：真正应用集群
ASM管理存储，Oracle自己的文件系统
心跳ip有问题，关闭次节点只留主节点，防止数据混乱
virtual ip 可漂移，private ip 心跳ip，scan ip DNS解析
ntp服务禁用（时间同步服务，Oracle自己有同步）
grid ...
01_Real Application Clusters Overview - 文档下载 - 清泛网 - 专注C/C++及内核技术
...racle集群介绍
RAC：真正应用集群
ASM管理存储，Oracle自己的文件系统
心跳ip有问题，关闭次节点只留主节点，防止数据混乱
virtual ip 可漂移，private ip 心跳ip，scan ip DNS解析
ntp服务禁用（时间同步服务，Oracle自己有同步）
grid ...
What's the difference between echo, print, and print_r in PHP?
...ngs are not quoted, type information is omitted, array sizes aren't given, etc.
var_dump is usually more useful than print_r when debugging, in my experience. It's particularly useful when you don't know exactly what values/types you have in your variables. Consider this test program:
$values = ar...
Dynamically set local variable [duplicate]
...is foolishness in Python 3, and other implementations (Jython, IronPython, etc.) may not support it either.
This is a bad idea, though. How will you access the variables if you don't know their name? By locals()[xxx] probably. So why not just use your own dictionary rather than polluting locals() (...
MySQL一次主从数据不一致的问题解决过程 - 数据库(内核) - 清泛网 - 专注C/...
...us
工具安装
在主库服务器安装
#安装依赖包 # yum install perl-DBI perl-DBD-MySQL perl-TermReadKey perl-Time-HiRes #安装工具 # wget percona.com/get/percona-toolkit.tar.gz # tar zxvf percona-toolkit-2.2.14.tar.gz # cd percona-toolkit-2.2.14 # perl Makefile.PL && make && ma...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...t() const
Returns the number of rows (including fixed rows)
int GetColumnCount() const
Returns the number of columns (including fixed columns)
int GetFixedRowCount() const
Returns the number of fixed rows
int GetFixedColumnCount() const
Returns the number of fixed col...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...t() const
Returns the number of rows (including fixed rows)
int GetColumnCount() const
Returns the number of columns (including fixed columns)
int GetFixedRowCount() const
Returns the number of fixed rows
int GetFixedColumnCount() const
Returns the number of fixed col...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...t() const
Returns the number of rows (including fixed rows)
int GetColumnCount() const
Returns the number of columns (including fixed columns)
int GetFixedRowCount() const
Returns the number of fixed rows
int GetFixedColumnCount() const
Returns the number of fixed col...
MFC Grid control 2.27 - C/C++ - 清泛网 - 专注IT技能提升
...t() const
Returns the number of rows (including fixed rows)
int GetColumnCount() const
Returns the number of columns (including fixed columns)
int GetFixedRowCount() const
Returns the number of fixed rows
int GetFixedColumnCount() const
Returns the number of fixed col...