C#: Decoupling a Subscriber from a Publisher of an Event

Introduction Inspired by Microsoft’s Prism framework, I decided to implement their EventAggregator class as a learning exercise. The EventAggregator is a class within Prism that serves as a mediator between publishers and subscribers of an event. Imagine a platform where arbitrary subscribers can place the messages that they’re interested in onto it. Next imagine publishers …

HoloLens and the future of XAML Developers

Introduction HoloLens was recently announced to be a first-party member of the Windows 10 operating system. The few Windows developers who have actually maintained faith throughout the Silverlight and Windows Store debacles may actually find comfort in this. So what is HoloLens? HoloLens is Microsoft’s augmented-reality device. In other words, it’s a wearable visor that …

An alternative to writing complex queries for entities already in memory

Introduction There’s been a couple times where I have struggled to simply pull in data regarding some business entity and its association to other entities without bloating out a class definition for a business object. Specifically, I was building an inventory system and discovered a pattern for looking up information without being loss in complicated …

Unit Testing a User Interaction

  Introduction I have yet to sit-in on a software development user-group presentation on TDD and have the presenter answer my question on the following: How do I unit test a user interaction (i.e. confirmation dialog)? This question was answered for me several years ago when I studied Prism. Prism is a WPF framework for …

Can a unit test also serve as an integration test?

Introduction I provided the following post in which I asked how to write a test once and specify it as a unit test or an integration test. Apparently, people did not like my question based on their teachings of what a unit test is versus an integration test. They have been trained to believe that …

Is JavaScript the issue or is it its lack of Tools

Introduction I don’t think I have a problem with JavaScript. However, I do have a problem with its productivity. Perhaps the term “productivity” can be overloaded. In my case, it is. When I say “productivity”, I specifically mean the progressive development of a system along with its maintenance effort. Thus when I say maintenance, I …