inheritance Archives - Page 4 of 7

Chain-calling parent initialisers in python [duplicate]

This question already has answers here: How to invoke the super constructor in Python? (7 answers) Closed 5 years ago. Consider this – ...

May 17, 2022
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How can you represent inheritance in a database?

I’m thinking about how to represent a complex structure in a SQL Server database. Consider an application that needs to store details of ...

May 17, 2022
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Why is it necessary to set the prototype constructor?

In the section about inheritance in the MDN article Introduction to Object Oriented Javascript, I noticed they set the prototype.constructor: // correct the ...

May 15, 2022
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Explicitly calling a default method in Java

Java 8 introduces default methods to provide the ability to extend interfaces without the need to modify existing implementations. I wonder if it’s ...

May 15, 2022
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JSP tricks to make templating easier?

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 ...

May 15, 2022
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Including another class in SCSS

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 ...

May 9, 2022
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What’s wrong with overridable method calls in constructors?

I have a Wicket page class that sets the page title depending on the result of an abstract method. public abstract class BasicPage ...

May 8, 2022
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Is it possible to make abstract classes in Python?

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 ...

May 6, 2022
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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 ...

May 4, 2022
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Use of .apply() with ‘new’ operator. Is this possible?

In JavaScript, I want to create an object instance (via the new operator), but pass an arbitrary number of arguments to the constructor. ...

May 4, 2022
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