static-methods

Difference between static function and singleton class in swift [closed]

Sure this sounds confusing and can be debated. However, from the best practices i can put some suggestions. Singleton is usually used to create a resource intensive and one timer initialisation for instance: a database connector, login handler and such. Utility class are classes that only have static functions and variables. It should not deal … Read more

PHP Can static:: replace self::?

You have to ask yourself: “Am I targeting the problem with the adequated approach?” self:: and static:: do two different things. For instance self:: or __CLASS__ are references to the current class, so defined in certain scope it will NOT suffice the need of static calling on forward. What will happen on inheritance? class A … Read more

Calling static method on a class?

I’m not sure exactly what the situation is, but if you’re looking to execute the static method on a class without knowing the class type (i.e. you don’t know it’s SomeType, you just have the Class object), if you know the name and parameters of the method you could use reflection and do this: Class … Read more

Python: check if method is static

Lets experiment a bit: >>> import types >>> class A: … def f(self): … return ‘this is f’ … @staticmethod … def g(): … return ‘this is g’ … >>> a = A() >>> a.f <bound method A.f of <__main__.A instance at 0x800f21320>> >>> a.g <function g at 0x800eb28c0> >>> isinstance(a.g, types.FunctionType) True >>> isinstance(a.f, … Read more

What is the difference between static methods in a Non static class and static methods in a static class?

The only difference is that static methods in a nonstatic class cannot be extension methods. In other words, this is invalid: class Test { static void getCount(this ICollection<int> collection) { return collection.Count; } } whereas this is valid: static class Test { static void getCount(this ICollection<int> collection) { return collection.Count; } }