19 July, 2016. It was a Tuesday. To help those building applications using the new Microsoft DI libraries (used in Orleans, ASP.NET Core, etc.), I pushed out a helper package to register all of your ...

19 April, 2010. It was a Monday. If you’re using Double Dispatch in your code, this may be a symptom of an underlying design issue which may impact the maintainability of your application. Due to the ...

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, ...

This is the fifth installment to the series: RabbitMQ for Windows. In the last installment, we took a look at the four exchange types provided by RabbitMQ: Direct, Fanout, Topic, and Headers. In this ...

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 ...

17 February, 2012. It was a Friday. If you write any code in JavaScript then you’ve probably used closures, but do you actually understand what they are and how they work? Taking the time to ...

30 August, 2012. It was a Thursday. I used to care quite a bit about project structure in applications. Trying to enforce logical layering through physical projects, I would start off a project by ...

19 May, 2015. It was a Tuesday. REST, a term that few people understand and fewer know how to implement, has become a blanket term for any sort of Web API. That’s unfortunate, because the underlying ...

In my opinion Command Query Responsibility Segregation (CQRS) is one of the most useful architectural patterns when used in the context of a complex line of business application (LOB). Martin Fowler ...

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 ...

1 October, 2013. It was a Tuesday. One of the perks of my job (and talking to a lot of folks) is that I get to see a lot of people’s actual code. Not gists, blog examples, or GitHub playgrounds, but ...

This post is intentionally simplistic to help explain tradeoffs that need to be made. If you are looking for some production level nuance go read this afterwords. Batches in Cassandra are often ...