containers

How can i access the website running inside container at ip 172.20.128.2 .I do not want to do port forwarding and using host ip. I am aware that i can forward docker port on host port and can access using host IP but i do not want to do in this way. I am using docker 1.10 This blog post explains many ways to reach your container from outside. Have a look Four ways to connect a docker container . Be sure your web server is well configured testing at least once with -p option. Also you can test with the --network host option Regards 来源： https://stackoverflow.com/questions/40060764/how-can-i

The following code of mine should detect whether T has begin and end methods: template <typename T> struct is_container { template <typename U, typename U::const_iterator (U::*)() const, typename U::const_iterator (U::*)() const> struct sfinae {}; template <typename U> static char test(sfinae<U, &U::begin, &U::end>*); template <typename U> static long test(...); enum { value = (1 == sizeof test<T>(0)) }; }; And here is some test code: #include <iostream> #include <vector> #include <list> #include <set> #include <map> int main() { std::cout << is_container<std::vector<std::string> >::value << '

In a programming language (e.g. Java), what's the difference between container and wrapper (or is there a difference). I've heard both the terms used vaguely. In programming languages the word container is generally used for structures that can contain more than one element, for example a Map , a Set or a List . These structures normally provide methods like contains , that are semantically suitable if the object can contain more than one item. A wrapper instead is something that wraps around a single object to provide more functionalities and interfaces to it. The typical example is the

I want to create a control in winforms with same behavior as the container controls. I mean: in design mode, when I drop controls in it, it will group then, just like a groupbox. This control I'm creating contains some other controls AND a GroupBox. All I need is: when a control is droped in design mode over my custom control, I'll just put it inside the nested GroupBox. But I can't figure out how make my control respond to that kind of action in design mode. Henry Rodriguez Maybe this is what you need, I found it at CodeProject a time ago: Designing Nested Controls: This article demonstrates

I need a container of pointers. Would you recommend boost::ptr_vector<T> or std::vector<boost::shared_ptr<T> > ? (Or something else?) If that's of interest, my actual data structure is relatively complicated (see here ) and currently stores objects, not pointers, but i'd like to change that (using pointer containers), in order to get rid of unnecessary copying: typedef std::multimap<Foo0, std::map<int, double> > VecElem; std::vector<VecElem> vec; Who owns the object? If the container owns the objects (meaning the objects should not live longer than the container), use a ptr_vector . Otherwise,