Base class parameter in a derived class’ method
Here is my code: class Base { virtual shared_ptr
Tag: inheritance
How to use a derived functor in element wise operation in Eigen
I wanted to generalised all the custom element-wise functors that I need deriving all of them from a common base class that provides the operator() method. This way I can simply declare a variable …
Using overloaded + operator in derived class
I was practicing overloaded assignment operator use from derived class(Airplane in my case), and it worked just fine. Problem i have is with overloaded + operator. It should just sum engine_power and …
Subclass object of pathlib.Path gets custom attributes lost after pickle.load
from pathlib import Path import pickle class P(type(Path())): def __init__(self, *args): super().__init__() self.a = ” p = P() p.a = ‘x’ with open(‘xx’, ‘wb’) as wf: pickle….
Is it possible to detect whether a class is being called directly by the class or indirectly by a base class?
I am making a program with some inherited classes but my program needs to know whether a class’ functions are being called directly from the class or from a base class e.g. class Letters(): def …
How do I add this field properly?
I am working on this bootcamp task that is designed for me to practice inheritance. The base class looks like this: public class Animal { private int numTeeth = 0; private boolean spots = false; …
Can I add code to an inherited method without overriding the whole method? (Java)
so I inherited a public method from an abstract class X but instead of overriding the method to copy and paste the whole content plus add two more lines of code, I would like to just use the code that …
Logger hierarchy and the root logger when logging with multiple modules
I have this setup: main.py /module /module/__init__.py (empty) /module.py And here is the code for my two files, main.py and module.py respectively: main.py import logging from module import …
Conditional call to base constructor
Currently, I have a based class with two different constructors: class Base { public: Base(std::string filname){…} Base(int a, int b) {…} }; and a derived class of Base class. What I would …
C# .NET Interface implementation at multiple levels
I found myself digging into System.Collections.Generic when using a BindingList. I don’t understand something about the following interface implementations: public interface ICollection