Tobias questions

• Good way to disable directory listing with http.FileServer in Go
• Django 1.8 app mysteriously fails with initial migration due to errno: 150 "Foreign key constraint is incorrectly formed"
• How can you pass an std::istream into a function in a way that allows to pass temporaries?
• Constexpr alternative to placement new to be able to leave objects in memory uninitialized?
• How to find out if a type has member function with any return type?
• Is this code really undefined, as Clang seems to indicate?
• Data oriented access to several indexed data arrays

Tobias answers