Questions tagged [polymorphism]

In computer science, polymorphism is a programming language feature that allows values of different data types to be handled using a uniform interface.

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Polymorphic (owned) reference wrapper for class hierarchies

Rationale: I often have the requirement to own object instances, while preserving polymorphic behavior (i.e. own the object and hold it by pointer, or reference). This is usually expressed as a ...
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Google reCAPTCHA Validator: Iteration II

This is a follow-up to the other post I made (less than an hour ago) about my Google reCAPTCHA C# implementation: Google reCAPTCHA Validator This adds support for error messages, so that you can ...
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993 views

Making TypeNameHandling in json.net more convenient

Handling abstract types in json.net can be sometimes challenging because it requires a very long and complex syntax like: ...
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1answer
2k views

Building a model-view-controller application in PHP

I've seen at least two recent PHP questions that would do well from a Model-View-Controller ('MVC' from here-on-out in this question) setup. Now, me, being the horrible person I am, I wanted to build ...
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0answers
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Watch that uses the abstract factory design pattern

I have wrote code for a Watch that utilizes the abstract design pattern and would like to get some feedback on the code, be as harsh as you can. Also, I would like ...
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1answer
7k views

Variadic templates and pointers to member functions to achieve a named-parameters interface in C++

I studied a bit and packed all the suggestions that I received here: Fluent interface and polymorphism for building a scene with shapes and I came up with this: ...
8
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1answer
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Calculate area and perimeter for shapes: polygon, circle, rectangle and triangle

This is my project on inheritance and polymorphism. I have the main file from my teacher and built the project base on it. My base class is Shape. ...
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6answers
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Fluent interface and polymorphism for building a scene with shapes

I would like to improve the interfaces of some polymorphic classes going from positional to named parameters and I came up with the fluent interface. The following is the most clean, compact and ...
5
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2answers
514 views

99 Bottles of Beer using polymorphism

This was part of an exercise from exercism.io. If you fancy, view the repo here. Given problem statement: Write a program which produces the lyrics to that beloved classic, that field-trip ...
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Implementing Dynamic Network Message Handling

I'm trying to handle network messages in a dynamic, and effective way, though I feel I've overthought it again. As of now, I have a very structured approach, but it feels as if it's a lot of overhead ...
5
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1answer
82 views

Manage Excel Styles with VBA OOP Approach

I want to manage the Excel Styles in a more flexible way with bulk actions and at the same time improve my newly acquired OOP concepts. Objectives: Load the current Styles list (name and type=...
5
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1answer
91 views

Manage Excel Styles with VBA OOP Approach (Follow up)

This is a follow up to this question Code incorporates Mathieu's comments and it works. As some parts of the review left some code to my knowledge, I ask for another review to see if I implemented ...
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1answer
942 views

Text-based Tetris game with CRTP - follow-up

Previous question: https://codereview.stackexchange.com/questions/74677/text-based-tetris-game-follow-up-final Summary of improvements: Implementation of a ...
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1answer
805 views

Google reCAPTCHA Validator

This entire class came out of a chat discussion, and I'm curious on how it looks. (This is like literally 30 minutes of development time.) The idea is to allow very easy, quick implementations of ...