I am using std::map to implement my local hash table, which will be accessed by multiple threads at the same time.
I want to confirm what I think I understand about the lifetime of objects which have been push_back()\'ed on an std::vector.What I read says that the elements in the vector are copies.So, is the usage
I am facing problem using STL library. I am attaching code snippet. // Store a class object in a vector.
It\'s said that if swap two container\'s value, the iterator will not become invalid. so following code works fine
I have a piece of code like this: set<string>::iterator it1; set<string>::iterator it2; pair<set<string>::iterator,bool> ret;
This splits to smaller stages: How do I calculate the total length of the all the strings in the vector?
#include <vector> using std::vector; class A { public: A() { buf.push_back(65); buf.push_back(66); buf.push_back(67);
I have a vector of vectors, say std::vector< std::vector<int> > my2dArray; Now I would like to have a vector that contains the sizes of the vectors inside my2dArray. Manually this would
Alright as a preface I have a need to cache a relatively small subset of rarely modified data to avoid querying the database as frequently for performance reasons. This data is heavily used in a read-
explicit vector ( size_type n, const T& value= T(), const Allocator& = 开发者_开发技巧Allocator() );
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