26 February, 2014. It was a Wednesday. This is a series of posts about AngularJS and our experiences with it while migrating the client of a complex enterprise application from Silverlight to ...

13 May, 2014. It was a Tuesday. Domain events are one of the final patterns needed to create a fully encapsulated domain model – one that fully enforces a consistency boundary and invariants. The need ...

24 May, 2011. It was a Tuesday. I’ve built a few dozen security mechanisms in my career. Unfortunately, I kept getting it wrong, hence the need to keep building them. Over the years, though, I learned ...

21 August, 2008. It was a Thursday. Services are first-class citizens of the domain model. When concepts of the model would distort any Entity or Value Object, a Service is appropriate. From Evans’ ...

In most of the projects I’ve worked on in the last several years, I’ve put in place a mediator to manage the delivery of messages to handlers. I’ve covered the motivation behind such a pattern in the ...

13 October, 2016. It was a Thursday. A while ago, I blogged about using MediatR to build a processing pipeline for requests in the form of commands and queries in your application. MediatR is a ...

5 May, 2015. It was a Tuesday. CQRS is a simple pattern – two objects for command/queries where once there was one. These days just about every system I build utilizes CQRS, as it’s a natural ...

1 June, 2016. It was a Wednesday. In many of my applications, the UI and API gravitate towards task-oriented UIs. Instead of “editing an invoice”, I “approve an invoice”, with specialized models, ...

18 September, 2009. It was a Friday. I’m getting more and more requests around the area of two-way mapping, meaning you’d do something like: Product being an entity, I can’t for the life of me ...

17 September, 2014. It was a Wednesday. Over the years, I’ve used and abused IoC containers. While the different tools have come and gone, I’ve settled on a set of guidelines on using containers ...

18 October, 2012. It was a Thursday. Databases in tests is an annoying, yet necessary component if you truly want to create accurate integration tests. I’m not too much of a fan of employing alternate ...

8 October, 2012. It was a Monday. So I’m over Repositories, and definitely over abstracting your data layer, but where does that leave us? I don’t think creating an abstraction over your ORM provides ...