I'm new to JS and implementing a polymorphic class hierachy. It appears that within the super constructor (when called from a derived constructor), 'this' refers to the derived class, not the super class. So, when the super constructor calls a…
Given: class Mammal { public int Age { get; set; } } class Human : Mammal { public string Name { get; set; } } class Stuff { public Mammal Mammal { get; set; } } And var stuff =…
I've been trying to model a relationship in Laravel between a ShapeContainer entity and different shapes with unique properties, but a common Shape interface (with getArea and getPerimeter methods). I've read up on the examples in the laravel documentation (posts,…
I am storing objects of base and derives classes (Account, StudentAccount, EmployeeAccount) in an STL list and process them with STL Iterator. The dynamic polymorphic behavior of objects is not happening. After reading few post at this forum, it "seems"…
I would like to create a function that given a value of any type, a dimension of the one-dimensional array and the column to set, will return a one-dimensional array filled with null values except for one given value at…
I have two models Product and ProductType which both have a relationship with the Usp model. I have set up the models like this. class Product extends Model { use HasFactory, SoftDeletes; protected $guarded = []; public function usps(): MorphToMany…
I'm trying to create a Client library that will allow users to push serialized data to a service. so I created a class public class Data { public string Prop1 {get; set;} public SubData Prop2 {get; set;} } public abstract…
I'm a student who is learning C++ (especially the operator overloading part). During my study, I found the following code that uses operator overloading doesn't make an expected output. At first, the code with which I have trouble is the...…
Im trying to deserialize a List of Holograms from a json file. The List of Holograms can contain HologramGroup, that is a derived class of Hologram. I'm trying to use a JsonConverter to do this. I want to check if…
First of all, I apologize for the length of below code; it's about as minimal as I could get it. I'm trying to (de)serialize a dozen or so messages that are defined in a 3rd party library; I cannot modify…