This question already has answers here: How to invoke the super constructor in Python? (7 answers) Closed 5 years ago. Consider this – a base class A, class B...
I’m thinking about how to represent a complex structure in a SQL Server database. Consider an application that needs to store details of a family of objects, which share...
In the section about inheritance in the MDN article Introduction to Object Oriented Javascript, I noticed they set the prototype.constructor: // correct the constructor pointer because it points to...
Java 8 introduces default methods to provide the ability to extend interfaces without the need to modify existing implementations. I wonder if it’s possible to explicitly invoke the default...
At work I’ve been tasked with turning a bunch of HTML files into a simple JSP project. It’s really all static, no serverside logic to program. I should mention...
I have this in my SCSS file: .class-a{ display: inline-block; //some other properties &:hover{ color: darken(#FFFFFF, 10%); } } .class-b{ //Inherite class-a here //some properties } In class-b, I...
I have a Wicket page class that sets the page title depending on the result of an abstract method. public abstract class BasicPage extends WebPage { public BasicPage() {...
How can I make a class or method abstract in Python? I tried redefining __new__() like so: class F: def __new__(cls): raise Exception("Unable to create an instance of abstract...
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 constructor is invoked implicitly. How does...
In JavaScript, I want to create an object instance (via the new operator), but pass an arbitrary number of arguments to the constructor. Is this possible? What I want...