10 December, 2020. It was a Thursday. A few years ago, I wrote an article entitled Separation of Concerns: Application Builds & Continuous Integration wherein I discussed the benefits of separating ...

4 October, 2012. It was a Thursday. We chased our tails on this a bit today, so hopefully someone finds this useful. According to Mike Stall’s detailed post on Web API parameter binding, Web API only ...

20 July, 2016. It was a Wednesday. Part of the release of ASP.NET Core is a new DI framework that’s completely integrated with the ASP.NET pipeline. Previous ASP.NET frameworks either had no DI or ...

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’ ...

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 ...

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 ...

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 ...

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 ...

22 August, 2012. It was a Wednesday. CQRS, while a relatively simple concept, still brings a lot of assumptions about what CQRS is and should be. So what is CQRS? Simply put, CQRS is two objects where ...