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 ...

6 April, 2011. It was a Wednesday. A common point of confusion when getting started with Git on Windows is line endings, with Windows still using CR+LF while every other modern OS uses LF only. Git ...

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 ...

This is the third installment to the series: RabbitMQ for Windows. In the last installment, we discussed some basic messaging concepts and created our first RabbitMQ application. In this installment, ...

22 April, 2014. It was a Tuesday. I’ve been a supporter and user of NHibernate for nearly 10 years. While not part of the original NHibernate Mafia, I’ve long enjoyed NHibernate’s ability to rich, ...

31 October, 2012. It was a Wednesday. I often hear people say something like “if you need it once, build it. If you need it twice, abstract it.” People often say then in the context of the “DRY” – or ...

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, ...

Way too many times I encounter applications that claim to have a domain (model) and that domain driven design has been used to develop it, but in reality what I find is a collection of entities or ...

11 March, 2014. It was a Tuesday. Even after all these years, I’m still a big fan of ORMs. One common complaint over the years is people using ORMs use the tool identically for both reads and writes.

Many systems implement CRUD (create, read, update, and delete) using a repository pattern. An entity is loaded using a Get method, some business layer logic makes changes to the entity, and ultimately ...

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’ ...

1 November, 2015. It was a Sunday. Earlier this year I joined a development team which chose Entity Framework for the persistence needs of a new greenfield project. While I’ve worked on a few projects ...