Monthly Archives: March 2010

A Response Concerning Semantics And Intention Revealing Code

Posted on March 19, 2010 by Derick Bailey

My previous post talked about some code that was using a null value to cause certain behavior. The general idea behind the post was questioning how I should go about remodeling that part of my code so that it would … Continue reading →

Posted in .NET, C#, Craftsmanship, Design Patterns, Principles and Patterns, Quality | 8 Comments

Application Events: Modeling Selection vs De-Selection as Separate Events?

Posted on March 17, 2010 by Derick Bailey

I’m using my Event Aggregator in my current project to manage communication between a custom control and it’s parent form. This is the same control I talked about in my CQRS Performance Engineering post. It has several drop down lists … Continue reading →

Posted in Analysis and Design, AppController, Craftsmanship, Messaging, Model-View-Presenter | 10 Comments

Side Projects, Community Involvement, Etc.

Posted on March 16, 2010 by Derick Bailey

There was some interesting discussion amongst LosTechies members recently, and one of the things that came out of it was a comment about LT members keeping the community informed on what they are doing in terms of side projects, community … Continue reading →

Posted in Uncategorized | Leave a comment

A Type Safe IDataReader Wrapper

Posted on March 15, 2010 by Derick Bailey

I don’t always use NHibernate… it’s true… in fact, plain old ADO.NET, DataSets, DataTables and IDataReaders can offer some nice advantages when used in the right way at the right time. Today, I found myself writing more IDataReader code and … Continue reading →

Posted in .NET, C#, Data Access, Design Patterns, Pragmatism | 8 Comments

Semantic Code: Migrating From A Chatty Interface To A Simple One With A Data Transfer Object

Posted on March 15, 2010 by Derick Bailey

I’ve worked on several C#/Compact Framework/WinForms projects for handheld devices over the years – most of which have involved a require for users wearing gloves to be able to type on a virtual keyboard. It’s not terribly difficult to implement … Continue reading →

Posted in .NET, Analysis and Design, C#, Principles and Patterns | 1 Comment

CQRS Performance Engineering: Read vs Read/Write Models

Posted on March 8, 2010 by Derick Bailey

I’ve used a lot of different architectures, patterns and implementations that revolve around the core concept of command-query separation (CQS) and the more recent label of command-query responsibility separation (CQRS). The ideas behind these principles help us create code that … Continue reading →

Posted in Analysis and Design, CQRS, Pragmatism, Principles and Patterns | 6 Comments

Role Specific Interfaces: DIP And ISP In Action

Posted on March 7, 2010 by Derick Bailey

I do most of my UI development – in ASP.NET WebForms and in WinForms – with a Model-View-Presenter setup. It helps me keep my application logic separate from my view implementations, makes it possible to unit test the presenters, etc. … Continue reading →

Posted in .NET, C#, Model-View-Presenter, Principles and Patterns | Leave a comment

Don’t Expose IList<T> Just So You Can Assert Against Its Contents

Posted on March 6, 2010 by Derick Bailey

Lately I’ve been trying to return IEnumerable<T> whenever I need a collection that will only be enumerated or databound to something. This prevents me from making changes to the collection outside the context of the collection’s parent entity. The problem … Continue reading →

Posted in .NET, C#, Pragmatism, Principles and Patterns, Unit Testing | 17 Comments

How Ruby Taught Me To DRY Up My Code With Lambda Blocks

Posted on March 5, 2010 by Derick Bailey

I’ve been working in Ruby for my Albacore project over the last 6 or 8 months, and taking every chance I can find to learn how to really use the language effectively. One of the benefits I’m seeing in a … Continue reading →

Posted in .NET, C#, Lambda Expressions, Model-View-Presenter, Pragmatism, Principles and Patterns, Ruby | 5 Comments

When Do You Specify Expected Parameters In Stub Methods?

Posted on March 4, 2010 by Derick Bailey

I’m writing a spec with a mock object that mock object returns data to the class under test. In these situations, I don’t bother asserting that my mock object’s method was called because I know that if it’s not called … Continue reading →

Posted in .NET, Behavior Driven Development, C#, Pragmatism, Principles and Patterns, Unit Testing | 16 Comments