Test whether a Ruby class is a subclass of another class
I would like to test whether a class inherits from another class, but there doesn’t seem to exist a method for that. class … Read more
superclass
super() raises “TypeError: must be type, not classobj” for new-style class
The following use of super() raises a TypeError: why? >>> from HTMLParser import HTMLParser >>> class TextParser(HTMLParser): … def __init__(self): … super(TextParser, self).__init__() … Read more
Why is super.super.method(); not allowed in Java?
I read this question and thought that would easily be solved (not that it isn’t solvable without) if one could write: @Override public … Read more
How to invoke the super constructor in Python?
class A: def __init__(self): print(“world”) class B(A): def __init__(self): print(“hello”) B() # output: hello In all other languages I’ve worked with the super … Read more
‘Must Override a Superclass Method’ Errors after importing a project into Eclipse
Anytime I have to re-import my projects into Eclipse (if I reinstalled Eclipse, or changed the location of the projects), almost all of … Read more
implicit super constructor Person() is undefined. Must explicitly invoke another constructor?
If a constructor does not explicitly invoke a superclass constructor, the Java compiler automatically inserts a call to the no-argument constructor of the … Read more