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std::vector versus std::array in C++
What are the difference between a std::vector and an std::array in C++? When should one be preferred over another? What are the pros and cons of each? All my textbook does is list how they are the same.
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C++: variable 'std::ifstream ifs' has initializer but incomplete type
Sorry if this is pretty noobish, but I'm pretty new to C++. I'm trying to open a file and read it using ifstream :
1 Answe...
What is the correct answer for cout
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As:
std::operator<<(std::operator<<(std::cout, a++), a);
C++ guarantees that all side effects of previous evaluations will have been performed at sequence points. There are no sequence points in between function arguments evaluation which means that argument a can be evaluated befo...
How do I put two increment statements in a C++ 'for' loop?
...ind an official source for this, since I'm particularly bad at parsing the C++ language standard.)
– Daniel Daranas
Aug 5 '09 at 10:02
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Qt c++ aggregate 'std::stringstream ss' has incomplete type and cannot be defined
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如何建立一套适合自己的高胜算交易系统 - 更多技术 - 清泛网 - 专注C/C++及内核技术
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注：
交易系统，特别是建立在大规模数据分析之上的智能交易系统，需要充分模型化市场因素和交易者个性品质，而本文中关于“交易系统核心内涵”的提法是有具体启发意义的。
交易成功的全部秘诀就是：始终如一地坚持...
Is short-circuiting logical operators mandated? And evaluation order?
...dard mandate the logical operators to be short-circuited, in either C or C++?
7 Answers
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Why is “using namespace std;” considered bad practice?
...her than "big_honkin_name.something"- really cuts down on the typing. Does C++ have something like that?
– paxdiablo
Sep 21 '09 at 3:18
786
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How can I loop through a C++ map of maps?
How can I loop through a std::map in C++? My map is defined as:
9 Answers
9
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What's “wrong” with C++ wchar_t and wstrings? What are some alternatives to wide characters?
I have seen a lot of people in the C++ community(particularly ##c++ on freenode) resent the use of wstrings and wchar_t , and their use in the windows api. What is exactly "wrong" with wchar_t and wstring , and if I want to support internationalization, what are some alternatives to wide chara...