stl

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Is it safe to store pointer of STL list iterator?

I know any insert or remove operations of STL list never invalidate their iterator. However, I\'m not sure whether list still preserves iterator itself or not.[详细]

2023-04-13 10:07 分类：问答
value_type for a map having pointers as key

For what I know, C++ defines map<a,b>::value_type as pair<const a,b> What will happen if I use a pointer type as key type in map, i.e., is[详细]

2023-04-13 08:33 分类：问答
Is there a bitset class that's sized at instantiation time, but avoids boost::dynamic_bitset<>'s extra allocation call?

Is there a convenient analog of std::bitset<> that\'s dynamically sizable at instantiation time, but avoids the extra allocation required by boost::dynamic_bitset<>[详细]

2023-04-13 01:43 分类：问答
Why is template argument deduction disabled with std::forward?

In VS2010 std::forward is defined as such: template<class _Ty> inline _Ty&& forward(typename identity<_Ty>::type& _Arg)[详细]

2023-04-13 01:08 分类：问答
boost::filesystem::path::append (via iterators) causes compiler error

I\'m trying to generate new path using boost::filesystem as follows #include <iostream> #include <string>[详细]

2023-04-13 00:52 分类：问答
Map inserstion failure: can not overwrite first element?

static std::map <unsigned int, CPCSteps> bestKvariables; inline void copyKBestVar(MaxMinVarMap& vMaxMinAll, size_t& K, std::vector<unsigned int>& temp)[详细]

2023-04-13 00:23 分类：问答
copy contents of vector into file

i have following code for copyingcontent of vector into file #include<iterator> #include<algorithm>[详细]

2023-04-12 20:56 分类：问答
examining if std::find fails while searching in a vector of vectors

The problem I am facing is that std::find returns <someVector>.end() if it fails, but what if you don\'t know that <someVector> ??[详细]

2023-04-12 18:43 分类：问答
In C++, what's the fastest way to replace all occurrences of a substring within a string with another string?

I\'m looking for the most efficient (in terms of \"fastest\") way to replace all occurrences of a substring within a string with another string. All I\'ve came up with so far is:[详细]

2023-04-12 17:32 分类：问答
STL vector and pointers to elements of vector

There are two STL vectors, o开发者_开发百科ne with objects and second with pointers to objects.[详细]

2023-04-12 12:00 分类：问答