Inheritance is a way to reuse code of existing objects, or to establish a subtype from an existing object, or both, depending upon programming language support.

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C++ design for encoder/decoder classes with different stored types

I need to handle different elements in a vector, each element owning a specific parameter (integer or string), so that I can easily handle encoding/decoding of a series of elements. Encoding a list ...
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2answers
339 views

block access to area/controller's methods but allow inherited controller to run methods, asp .net mvc5

I am trying to find out how to block a whole area/controller from being accessed by typing url website.com/area1/basecontroller/method1 (this area also contains the views that will be displayed) , ...
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2answers
514 views

Object inheritance and method parameters/return types - Please check my logic

I'm preparing for a test and doing practice questions, this one in particular I am unsure I did correctly: We are given a very simple UML diagram to demonstrate inheritance: I hope this is clear, it ...
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1answer
759 views

Changing method signature for implementing classes in PHP

Is there any decent work around to PHP's lack of Generics that allow static code inspection to detect type consistency? I have an abstract class, that I want to sub-class and also enforce that one of ...
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0answers
300 views

JavaScript Combination Inheritance Pattern

In the chapter of Professional JavaScript for Web Developers on OOP, Nicholas Zachas describes a JavaScript inheritance pattern which he refers to as combination inheritance. The basic idea is that ...
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Can/should objects share methods in certain circumstances?

I am currently working on a web application that is supposed to resemble an operating system with GUI (it manages processes and windows). I have several constructors which deal with different aspects ...
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273 views

Reusable and customizable charting library on top of d3js

I have started building a charting library on top of d3js using javascript's inheritance. My goal is to develop reusable and fully customizable chart components. I read the article: Towards Reusable ...
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165 views

Class Interfaces with Multiple Classes and Dependency Injection

NOTE ON QUESTION TITLE: I did not really even know how to phrase the title so if someone can edit and make it more articulate I would really appreciate it. QUESTION: Basically, what I'm trying to do ...
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136 views

How to handle custom logic for multiple customers

We got a project where we have to process certain requests which the customer sends. The request is either in a generic format or in a customer format (all xml) which is then converted to the generic ...
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109 views

Inheritance and constricted referencing

Let's say I have BaseA and BaseB classes. BaseB can have to several references of BaseA instances. Now, we have two other classes, DerivedA and DerivedB that respectively inherit from BaseA and BaseB. ...
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40 views

Accepted Patterns For Base Class with both Static And User-Defined Data Sources

I have a requirement to build a 'base' profile library (in C# - NET 4.5.2) for various different internal (technical) consumers. This profile consists of metadata fields that would be shared by a ...
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What's a way to encapsulate “mapping” code and provide reusable functionality in a base class?

I have created a set of repository base classes, using the generic repository pattern. The Repo<T> has CRUD functions incorporated. Some of the View Models need to be mapped (unflattened, etc) ...
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Example of persisting an inheritance relationship using ORM

I have some experience with OOP and RDBs, but very little exposure to web programming. I am trying to understand what non-trivial types of problems are solved by ORM. Of course, I am familiar with the ...