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CQRS + Event Sourcing – Step by Step
A common issue I see is understanding the flow of commands, events and queries within a typical CQRS ES based[...]
Are You Making These 10 DDD Mistakes?
Making mistakes is part of programming. Spotting them early can save you time. I’ve started to notice a common set[...]
How to Handle Set Based Consistency Validation in CQRS
This question keeps cropping up. How do you handle set based consistency validation in CQRS. In fact, one of my subscribers had[...]
EventStorming – What You Need to Know
The real power of eventstorming is how it focuses on outcomes, not activities. Why is this powerful? It gives you[...]
How To Validate Commands in a CQRS Application
Any of these sound familiar? Rubbish in rubbish out. Never trust user input. If you’ve ever built any sort of[...]
The LiveScribe 3 Smartpen [Product Review]
  The pen is mightier than the sword. Or so they say. However, this smart LiveScribe 3 pen may just[...]
Why C# Private Variables are Not as Private as you Thought
C# private fields are not accessible outside the class. It’s C# 101 right? Which means this code should not work...[...]
Is a CQRS Command = to a GoF Command?
Oh the irony. The DDD community advocates for unambiguous language. And yet even our own terms are heavily overloaded. Whether[...]

Thanks for the great articles, all the right subjects and the right level of abstraction :)


Lead Systems Developer @ SPECTRA

It is hard to find people who are pushing through this stuff on their own, so I am looking forward to new discoveries you might make.


Senior Developer

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