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构建高并发高可用的电商平台架构实践 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...务组件时，需要考虑消息一致性、持久化、可用性、以及完善的监控体系。
业界开源的消息中间件主要RabbitMQ、kafka有两种，
RabbitMQ,遵循AMQP协议，由内在高并发的erlanng语言开发；kafka是Linkedin于2010年12月份开源的消息发布订阅...
Win32汇编--使用MASM - C/C++ - 清泛网 - 专注C/C++及内核技术
...然使用和DOS汇编同样的.code和.data语句来定义，意思可是完全不同了！
数据段
.data、.data?和.const定义的是数据段，分别对应不同方式的数据定义，在最后生成的可执行文件中也分别放在不同的节区（Section）中。程序中的数...
MFC学习总结 (90个技巧) dlg 上建立View - C/C++ - 清泛网 - 专注C++内核技术
...s(NULL, 225, 225, width-82, height,SWP_NOACTIVATE);
//属性页的添加完成。如果要添加多个属性页，则只需要增加多个对象，如下：
m_tabsheet.AddPage(&m_skatch1);
m_tabsheet.AddPage(&m_skatch2);
// ......
[page]List Control中标题栏(Column)的添加[/page]2．Li...
Remove duplicate elements from array in Ruby
...
the Tin Man
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answered Dec 3 '11 at 5:24
Mithun Sasidh...
Regular expression that matches valid IPv6 addresses
...section 2.2 of rfc5952)
link-local IPv6 addresses with zone index (section 11 of rfc4007)
IPv4-Embedded IPv6 Address (section 2 of rfc6052)
IPv4-mapped IPv6 addresses (section 2.1 of rfc2765)
IPv4-translated addresses (section 2.1 of rfc2765)
IPv6 Regular Expression:
(([0-9a-fA-F]{1,4}:){7,7}[0-...
How do I make a matrix from a list of vectors in R?
...
124
One option is to use do.call():
> do.call(rbind, a)
[,1] [,2] [,3] [,4] [,5] [,6]
...
Determining complexity for recursive functions (Big O notation)
...he time complexity, in Big O notation, for each function:
int recursiveFun1(int n)
{
if (n <= 0)
return 1;
else
return 1 + recursiveFun1(n-1);
}
This function is being called recursively n times before reaching the base case so its O(n), often called linear.
int recursi...
[since C++11] std::array的使用 - C/C++ - 清泛网 - 专注C/C++及内核技术
[since C++11] std::array的使用learning-using-cpp11-stl-array 前言本文总结了STL中的序列式容器array的用法及注意事项。array的出现代表着C++的代码更进一步现代化，就像std::string的出现代替了c风格字符串并且能和STL配合工作一样，array的 #...
Applying a function to every row of a table using dplyr?
...
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edited Aug 6 '19 at 3:20
answered Jul 14 '14 at 0:20
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What is the ultimate postal code and zip regex?
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132
There is none.
Postal/zip codes around the world don't follow a common pattern. In some count...