Difference between <? super T> and <? extends T> in Java
What is the difference between List<? super T> and List<? extends T> ? I used to use List<? extends T>, but it does not allow me to add elements to it list.add (e), whereas the Li...
How does Python''s super () work with multiple inheritance?
In fact, multiple inheritance is the only case where super() is of any use. I would not recommend using it with classes using linear inheritance, where it''s just useless overhead.
oop
The one without super hard-codes its parent''s method - thus is has restricted the behavior of its method, and subclasses cannot inject functionality in the call chain. The one
coding style
As for chaining super::super, as I mentionned in the question, I have still to find an interesting use to that. For now, I only see it as a hack, but it was worth mentioning, if only for the differences
Why do this () and super () have to be the first statement in a
The automatic insertion of super () by the compiler allows this. Enforcing super to appear first, enforces that constructor bodies are executed in the correct order which would
Understanding Python super() with __init__() methods
super() lets you avoid referring to the base class explicitly, which can be nice. But the main advantage comes with multiple inheritance, where all sorts of fun stuff can happen.
''super'' object has no attribute ''__sklearn_tags__''
''super'' object has no attribute ''__sklearn_tags__''. This occurs when I invoke the fit method on the RandomizedSearchCV object. I suspect it could be related to compatibility
java
I''m currently learning about class inheritance in my Java course and I don''t understand when to use the super() call? Edit: I found this example of code where super.variable is used: class A {
super () in Java
super() is a special use of the super keyword where you call a parameterless parent constructor. In general, the super keyword can be used to call overridden methods,
AttributeError: ''super'' object has no attribute
I wrote the following code. When I try to run it as at the end of the file I get this stacktrace: AttributeError: ''super'' object has no attribute do_something class Parent: def