Tagged Questions

10
votes
7answers
1k views

What can go wrong if the Liskov substitution principle is violated?

I was following this highly voted question on possible violation of Liskov Substitution principle. I know what the Liskov Substitution principle is, but what is still not clear in my mind is what ...
58
votes
20answers
4k views

Is OOP hard because it is not natural?

One can often hear that OOP naturally corresponds to the way people think about the world. But I would strongly disagree with this statement: We (or at least I) conceptualize the world in terms of ...
14
votes
3answers
378 views

Learning about design

How do you improve your ability to design your applications? Where do you get your design ideas from? (I am asking about code design - not about a specific language and not about visual appeal). When ...
5
votes
6answers
512 views

What are the practical ways to implement the SRP?

Simply what are the practical techniques people use to check if a class violates the single responsibility principle? I know that a class should have only one reason to change, but that sentence is ...
5
votes
3answers
360 views

Avoid having an initialization method

I have this existing code where they have a class and an initialization method in that class. It is expected that once the object of the class is created, they need to call initialize on it. Reason ...
6
votes
7answers
747 views

Can the Strategy pattern be implemented without significant branching?

The Strategy pattern works well to avoid huge if...else constructs and make it easier to add or replace functionality. However, it still leaves one flaw in my opinion. It seems like in every ...
11
votes
3answers
3k views

How do I set up MVP for a Winforms solution?

Question moved from Stackoverflow - http://stackoverflow.com/questions/4971048/how-do-i-set-up-mvp-for-a-winforms-solution I have used MVP and MVC in the past, and I prefer MVP as it controls the ...
8
votes
1answer
300 views

When is a glue or management class doing too much?

I'm prone to building centralized classes that manage the other classes in my designs. It doesn't store everything itself, but most data requests would go to the "manager" first. While looking at an ...
40
votes
4answers
3k views

What is inversion of control, and when should I use it?

I am designing a new system and I want to know what inversion of control (IOC) is, and more importantly, when to use it. Does it have to be implemented with interfaces or can be done with classes?
9
votes
2answers
456 views

Is it better to have separate Create and Edit actions or combine Create and Edit into one?

We are using ASP.NET MVC 2 with a Controller/View Presentation Layer and Model consisting of A Business Logic Layer, Data Access Layer [Stored Procedures and classes/methods to talk to the stored ...
2
votes
1answer
184 views

How should I structure our common modules to maximize reuse and reduce duplication? [duplicate]

Currently I'm working at a .NET project-based company. Our coding is not modularized, mostly we are copy/pasting old code that is needed on a new project and modify it. I was trying to standardize ...