connect

[Docker] install, but error!! (include solution)

(Ubuntu 16.04 64bit) Error message$ docker run hello-world Cannot connect to the Docker daemon. Is the docker daemon running on this host? SolutionLogout and Login or check this web page, https://github.com/docker/kitematic/issues/1010

[c++] string combine

#include #include using namespace std; int main() { char *name; name = new char[5]; name = "asdf"; name = "asdf" "asdf"; cout