Recent questions tagged Inheritance

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inheritance - PHP: How to Pass child class __construct() arguments to parent::__construct()?

I have a class in PHP like so: class ParentClass { function __construct($arg) { // Initialize a/ ... refactor these classes before proceeding? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Extending Eloquent Models in Laravel (use different tables)

I'm building a Laravel application that involves tracking different types of leads. For example, there are Refinance ... let me know. Thanks. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - How to cast object in Python

I have two classes (let's call them Working and ReturnStatement) which I can't modify, but I want to ... write working code to get accepted. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - How to remove all inherited CSS formatting for a table?

I have a table which has a certain style due to the CSS file for the page (it has blue borders, etc. ... nostyle" Does anything like this exist? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - How do I call a super constructor in Dart?

How do I call a super constructor in Dart? Is it possible to call named super constructors? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - C++ member function virtual override and overload at the same time

If I have a code like this: struct A { virtual void f(int) {} virtual void f(void*) {} }; struct B : public A { ... { B b; b.f(1); return 0; } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - How to use @inherited annotation in Java?

I am not getting the @Inherited annotation in Java. If it automatically inherits the methods for you then if I ... from the scratch about this. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Which Overloaded Method is Called in Java

I have a basic inheritance situation with an overloaded method in the super class. public class Person { ... anyone explain this behavior? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Python, Overriding an inherited class method

I have two classes, Field and Background. They look a little bit like this: class Field( object ): ... . Nothing involving overwriting anything. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Undefined constructor (java)

so I have a java class called User that contains a constructor like this: public class User extends Visitor { public ... 'm really new to java. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Is it possible to get c# to use method overload of most specific type rather than base type?

If you have a method which is overloaded with a derived type, the method called at run-time depends on the type of ... 's not easy to remove it. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Anonymous inner class using an interface in Java

So, when looking into lambda expressions and using them to substitute anonymous inner classes for EventHandlers in ... my second code snippet? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Understanding C# compilation error with ternary operator

I have copied the following code from Wrox Professional ASP.NET 4.0 MVC 4 book, page 179 (Chapter "Understanding the ... B(): new C(); } See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - C++ override/overload problem

I'm facing a problem in C++ : #include <iostream> class A { protected: void some_func(const unsigned int& param1) ... cases I don't see ? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - javascript class inherit from Function class

I like that in javascript, I can create a function, and then add further methods and attributes to that ... Help would be greatly appreciated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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435 views

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inheritance - How to extend the Javascript Date object?

I'm trying to subclass/extend the native Date object, without modifying the native object itself. I've tried this ... the top-level Date object? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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452 views

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inheritance - C# Interfaces- only implement an interface in other interfaces

I would like to only implement certain interfaces within other interfaces, I don't want them to be able to be ... a class. Thanks in advance! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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631 views

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inheritance - Is it possible to restrict a Swift generic class function return type to the same class or subclass?

I am extending a base class (one which I do not control) in Swift. I want to provide a class function for ... generics, or is it a bug? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Why won't the C++ compiler disambiguate between an inherited public and an inherited private method with the same name?

I'm confused as to why the C++ compiler won't accept this: class Foo { private: void Baz() { } }; ... Why won't the compiler disambiguate here? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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635 views

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inheritance - C# virtual (or abstract) static methods

Static inheritance works just like instance inheritance. Except you are not allowed to make static methods virtual ... a maintenance nightmare. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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652 views

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inheritance - Extend Javascript promise and resolve or reject it inside constructor

I want to extend native Javascript Promise class with ES6 syntax, and be able to call some asynchronous function inside the ... err: ', err) }) See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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657 views

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inheritance - Access a private variable of the super() class in Java - JChart2D

I have extended a class in Java that has a private variable that I want to get the value of before it is ... the variable before it is updated. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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631 views

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inheritance - Making Child classes as Non Serializable in java

I have a class which implements Serializable. Now I extends this class and I want this extended class to be non ... B to be Non Serializable. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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566 views

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inheritance - How to return subtype in overridden method of subclass in C#?

I have a subclass with an over-ridden method that I know always returns a particular subtype of the return ... is technological or historical. See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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inheritance - Java: Creating a subclass object from a parent object

Newbie Java question. Say I have: public class Car{ ... } public class Truck extends Car{ ... } Suppose I ... everytime Car gets a new field... See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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610 views

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inheritance - Overriding constants in derived classes in C#

In C# can a constant be overridden in a derived class? I have a group of classes that are all the ... with different constants to interact). See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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413 views

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inheritance - Inheriting from instance in Python

In Python, I would like to construct an instance of the Child's class directly from an instance of the ... inheriting from instances? Thanks! See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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343 views

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inheritance - Different behaviour of method overloading in C#

I was going through C# Brainteasers (http://www.yoda.arachsys.com/csharp/teasers.html) and came across one ... differently in these two cases? See Question&Answers more detail:os...

asked Oct 24, 2021 in Technique[技术] by 深蓝 (71.8m points)

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