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Is C++14 adding new keywords to C++?
The C++ Standards Committee tends to shy away from adding new keywords to the language, yet with C++11 that was not the case. Some examples:
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C++ valarray vs. vector
...rrays (value arrays) are intended to bring some of the speed of Fortran to C++. You wouldn't make a valarray of pointers so the compiler can make assumptions about the code and optimise it better. (The main reason that Fortran is so fast is that there is no pointer type so there can be no pointer al...
C++ template constructor
...finitely not in Johannes' words. If they sound humorless then just because C++ is humorless.
– Andreas Spindler
Sep 8 '16 at 10:12
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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...