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- super () in Java - Stack Overflow
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, access hidden fields or invoke a superclass's constructor
- 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
- How does Pythons 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
- coding style - Using super in C++ - Stack Overflow
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 with Java (where you can't chain "super")
- What is a difference between lt;? super E gt; and lt;? extends E gt;?
The first (<? super E>) says that it's "some type which is an ancestor (superclass) of E"; the second (<? extends E>) says that it's "some type which is a subclass of E" (In both cases E itself is okay ) So the constructor uses the ? extends E form so it guarantees that when it fetches values from the collection, they will all be E or some subclass (i e it's compatible) The drainTo method
- AttributeError: super object has no attribute - Stack Overflow
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 __init__(self):
- Whats the difference between super () and Parent class name?
When you use super() instead, Python's perform the method search for the next parent class looking on the class's __mro__ attribute (mro = method resolution order __mro__ is a concrete attribute attached to each Python class)
- Difference between lt;? super T gt; and lt;? extends T gt; 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
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