18 June, 2013. It was a Tuesday. One of the keys to having maintainable tests are to make sure that tests are isolated and reproducible. For unit tests, this is easy as long as we stay away from ...

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, ...

29 April, 2016. It was a Friday. A common question I get asked, especially around a vertical slice architecture, is where does validation happen? If you’re doing DDD, you might want to put validation ...

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 ...

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 ...

3 September, 2010. It was a Friday. Moving from subversion to git can be a struggle, trying to understand what terms like checkout, commit, branch, remote, rebase all mean in the git world. I learned ...

11 February, 2009. It was a Wednesday. I found the Motivator this morning. It lets you create your own motivational pictures. So, here’s my first run at creating the SOLID software development ...

12 August, 2008. It was a Tuesday. A question came up on the ALT.NET message board asking whether Value Objects should be used across service boundaries. Of course, the conversation took several ...

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 ...

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 ...

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 ...

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 ...