Recent questions tagged Inheritance

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inheritance - Copying derived entities using only base class pointers, (without exhaustive testing!) - C++

Given a base class that is inherited by plethora of derived classes, and a program structure that requires you ... neater way of doing this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - C++: Deep copying a Base class pointer

I searched around and seems in order to perform this I need to change my Base class and want to know if this ... , standard way of doing this? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Custom error class in TypeScript

I'd like to create my own error class in TypeScript, extending core Error to provide better error handling and customized ... 1.5.3 Any ideas? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Overriding methods in java and then casting object to parent class behavior

I have a parent class, A, and a child class, B, and B overrides a method, f, from A. public class ... design decision or a limit of technology? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - a way in c++ to hide a specific function

i have an inheritance struct A : public B, i want to hide individual functions from B, is this possible? ... in the A declaration. cheers See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Final classes in Python 3.x- something Guido isn't telling me?

This question is built on top of many assumptions. If one assumption is wrong, then the whole thing falls over. ... 't extend bool in Python? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - cast the Parent object to Child object in C#

Hi i want to cast the Parent object to Child object in C# public class Parent { public string FirstName ... populate datamember of child class See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Can I override a property in c#? How?

I have this Base class: abstract class Base { public int x { get { throw new NotImplementedException(); } } ... properties in c# like methods? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Can I access discriminator field from php in doctrine2?

I have an entity which defines inheritance like this: * @DiscriminatorColumn(name="type", type="string") * ... my life so much easier. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Are private members inherited in C#?

Just seen one tutorial saying that: Class Dog { private string Name; } Class SuperDog:Dog { private string Mood; ... it was declared as public. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Python: Inherit the superclass __init__

I have a base class with a lot of __init__ arguments: class BaseClass(object): def __init__(self, a ... call the superclass __init__? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - operator= and functions that are not inherited in C++?

Until a test I've just made, I believed that only Constructors were not inherited in C++. But apparently, the assignment ... x=3 ' return 0; } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Abstract functions in Swift Language

I'd like to create an abstract function in swift language. Is it possible? class BaseClass { func abstractFunction() { / ... ) { // Override } } See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - C++ Access derived class member from base class pointer

If I allocate an object of a class Derived (with a base class of Base), and store a pointer to that object in ... it possible? If so, then how? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - State of Derived class object when Base class constructor calls overridden method in Java

Please refer to the Java code below: class Base{ Base(){ System.out.println("Base Constructor"); method(); ... where such behavior is desired? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - How to inherit from std::ostream?

I've been googling around and I just can't find a simple answer to this. And it should be simple, as the ... the extended ability of my class. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - C# - Making all derived classes call the base class constructor

I have a base class Character which has several classes deriving from it. The base class has various fields and ... of only writing code once? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Why can't I create an abstract constructor on an abstract C# class?

I am creating an abstract class. I want each of my derived classes to be forced to implement a specific signature ... does not let you do this. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Subclassing Javascript Arrays. TypeError: Array.prototype.toString is not generic

Is it possible to subclass and inherit from javascript Arrays? I'd like to have my own custom Array ... goal of myobj instanceof CustomArray? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - How do Java method annotations work in conjunction with method overriding?

I have a parent class Parent and a child class Child, defined thus: class Parent { @MyAnnotation("hello" ... works with Java inheritance. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Overriding a stored property in Swift

I noticed that the compiler won't let me override a stored property with another stored value (which seems odd) ... ? What where they thinking? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - In C#, is it possible to cast a List<Child> to List<Parent>?

I want to do something like this: List<Child> childList = new List<Child>(); ... List<Parent> ... than adding each element individually)? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Why does C++ not allow inherited friendship?

Why is friendship not at least optionally inheritable in C++? I understand transitivity and reflexivity being forbidden ... of questions ... See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Extend data class in Kotlin

Data classes seem to be the replacement to the old-fashioned POJOs in Java. It is quite expectable that these ... : String ) : Resource() See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Calling superclass constructors in python with different arguments

class A(): def __init__( self, x, y): self.x = x self.y = y class B(): def __init__( self, z=0): ... B.__init__(z) but this gives me an error. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - What is the idiomatic way in Go to create a complex hierarchy of structs?

I am writing an interpreter in Go and I am looking for the idiomatic way to store the AST. I read the Go ... isn't it less straight forward? See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - What are the negative aspects of Java class Stack inheriting from Vector?

By extending class Vector, Java's designers were able to create class Stack quickly. What are the negative aspects of ... Stack? Thanks a lot. See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Public virtual function derived private in C++

I was trying to figure out what happens when a derived class declares a virtual function as private. The following ... is: C::func called See Question&Answers more detail:os...

asked Oct 17, 2021 in Technique[技术] by 深蓝 (71.8m points)

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