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- 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
- 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
- Herencia en java: superclase no devuelve arraylist
En la superclase 'Muestra' creo un arraylist con objetos Double y la lleno por ventana JOptionPanel Luego, en la subclase 'Pomedio' quiero calcular el promedio llamando al metodo getter 'getMuestra'
- 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 be: Object -> Parent -> Child -> ChildOfChild -> SoOnSoForth
- sql - Create a Superuser in postgres - Stack Overflow
The matter is i'm looking to create a superuser with password, through a script which executes sequentially sudo -u postgres createuser postgres with password 'postgres' -s # Set super unsafe defaultz (dev only) sudo sh -c "echo 'local all postgres peer\nlocal all all peer\nhost all all 127 0 0 1 32 md5\nhost all all ::1 128 md5' > etc
- java - Calling super super class method - Stack Overflow
However, if the super-super-class uses private or package private fields or methods in foo(), you need reflection to access these (and of course you are out of luck if a security manager is in place) Further, if the original foo() code makes super calls itself, it wouldn't work either
- 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
- java - Calling super () - Stack Overflow
When do you call super() in Java? I see it in some constructors of the derived class, but isn't the constructors for each of the parent class called automatically? Why would you need to use super?
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