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C++ Best way to get integer division and remainder
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@Cookie : C++03 has no concept of long long, but it's highly likely that your compiler has a long long overload of std::div as an extension.
– ildjarn
Aug 15 '11 at 20:40
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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...
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++ 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) ...
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++, ...
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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了解 Boost Filesystem Library - C/C++ - 清泛网 - 专注C/C++及内核技术
...乏定义良好的、用于处理文件系统操作的库，这一直是 C++ 语言存在的一个问题。过去，程序员必须使用本机 API 来解决此问题。通过本文您将了解一个提供安全、可移植且易用的 C++ 接口来促进文件系统操作的库：Boost Filesystem L...
Is it better in C++ to pass by value or pass by constant reference?
Is it better in C++ to pass by value or pass by constant reference?
10 Answers
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