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When do I really need to use atomic instead of bool? [duplicate]
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No type in C++ is "atomic by nature" unless it is an std::atomic*-something. That's because the standard says so.
In practice, the actual hardware instructions that are emitted to manipulate an std::atomic<bool> may (or may not) ...
Using arrays or std::vectors in C++, what's the performance gap?
In our C++ course they suggest not to use C++ arrays on new projects anymore. As far as I know Stroustroup himself suggests not to use arrays. But are there significant performance differences?
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C++ Const Usage Explanation
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An easy way to remember the const in C++ is when you see some code in form like:
XXX const;
const YYY;
XXX, YYY will be a constant component,
XXX const form:
function ( def var ) const; ------#1
* const; ------#2
const YYY form:
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C++ template typedef
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C++11 added alias declarations, which are generalization of typedef, allowing templates:
template <size_t N>
using Vector = Matrix<N, 1>;
The type Vector<3> is equivalent to Matrix<3, 1>.
In C++0...
Calling constructors in c++ without new
I've often seen that people create objects in C++ using
7 Answers
7
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Unit Testing C Code [closed]
...e. See the CuTest homepage.
CppUnit
The premier unit testing framework for C++; you can also use it to test C code. It is stable, actively developed, and has a GUI interface. The primary reasons not to use CppUnit for C are first that it is quite big, and second you have to write your tests in C++, ...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注C++内核技术
Nginx url重写rewrite实例详解Nginx_url_rewrite在nginx中实现url重写，学习rewrite的具体用法，包括301重定向的内容等，希望对大家有所帮助。nginx rewrite 实现二级域名跳转
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
方法...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注C++内核技术
Nginx url重写rewrite实例详解Nginx_url_rewrite在nginx中实现url重写，学习rewrite的具体用法，包括301重定向的内容等，希望对大家有所帮助。nginx rewrite 实现二级域名跳转
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
方法...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注C++内核技术
Nginx url重写rewrite实例详解Nginx_url_rewrite在nginx中实现url重写，学习rewrite的具体用法，包括301重定向的内容等，希望对大家有所帮助。nginx rewrite 实现二级域名跳转
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
方法...
Nginx url重写rewrite实例详解 - 更多技术 - 清泛网 - 专注C++内核技术
Nginx url重写rewrite实例详解Nginx_url_rewrite在nginx中实现url重写，学习rewrite的具体用法，包括301重定向的内容等，希望对大家有所帮助。nginx rewrite 实现二级域名跳转
当访问http://www.jbyuan.com跳转到http://www.jbyuan.com/nvxingjiankang/
方法...