namespaces
Difference between ‘using’ and ‘using namespace’
using namespace makes visible all the names of the namespace, instead stating using on a specific object of the namespace makes only that object visible.
How can I use a namespace in a Rake task dependency?
You already found the solution (name as a string). You may extend this answer. There is no need to define namespaces and tasks with symbols. You can use Strings. Doing this, you have the advantage of same type for definition and usage of task names. Your example looks like this: namespace ‘demolition’ do task ‘fire_bazooka’ … Read more
Namespace aliasing in F#?
F# does not support aliasing of namespaces – only modules and types. So, to resolve the conflicts between .NET assemblies, you will, unfortunatelly, need to define aliases for all the types you’re using. This may be slightly easier thanks to the fact that F# type aliases are viewed as normal type declarations (by the F# … Read more
How do you import an enum into a different namespace in C++?
Wrap the existing namespace in a nested namespace which you then “use” in the original namespace. namespace foo { namespace bar_wrapper { enum bar { A }; } using namespace bar_wrapper; } namespace buzz { using namespace foo::bar_wrapper; }
Nested NameSpaces in C++
It depends on the namespace you already are: If you’re in no namespace or another, unrelated namespace, then you have to specify to whole path ABC::XYZ::ClassA. If you’re in ABC you can skip the ABC and just write XYZ::ClassA. Also, worth mentioning that if you want to refer to a function which is not in … Read more
Nested resources in namespace form_for
Editted solution in case people don’t read the reactions: <%= form_for [:admin, @person, @image] do |f| %> Old response: I have a project with an admin namespace and People and Images resources, this is the way I build my form_for in rails3, I haven’t found a way just yet to do it cleaner… <%= form_for … Read more
Python: NameError: global name ‘foobar’ is not defined [duplicate]
Python doesn’t scope code to the local class automatically; you need to tell it to. pp = self.foobar(arg1, arg2) http://docs.python.org/tutorial/classes.html