Never ever update an event. But why?

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I heard and read a lot about Event Sourcing (ES) but earlier I hadn't had occasion to use it in the real-life system. This year I got this opportunity :) For many years I was working with traditional architectures so ES + CQRS + DDD is like a new world to me. Very refreshing experience! I've already learned a lot but I'm still learning and discovering new things. For example, not so long ago the versioning of events was "mysterious" for me.

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.NET Developer Days 2017 - Grand finale

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It's time to make the summary of .NET Developer Days 2017. Let's start with the organisation aspects. Here I'll shortly say it was simply good and I cannot complain. The good example showing that organisers really try to make everything ok is a fact that a friend of mine was able to register for the conference just one day before the event (what theoretically was not possible). Now let's move to the presentations. Here I have much more to write.

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How did my presentation go?

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Two weeks ago I gave the presentation about artificial intelligences that write programs. Now, I got results of the survey conducted after the presentation and I decided to share some data with you. Below you can see the summary. The participants could judge me in 4 categories and 14 of them decided to do that. (Thank you!). I think that there were around 30+ people in total in the room.

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NDepend - my point of view

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Sometime ago I was contacted by Patrick Smacchia, who is CEO and a lead developer in NDepend. In one sentence, NDepend is a tool that analyses your code and tells what is wrong and can be improved to avoid technical debt. Patrick offered my a free pro license for NDepend. A few years ago I was using it so it was an interesting proposition. We agreed that if I find NDepend useful, I will write a post about it and share my experience. As for me it's a win-win situation.

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CareerCon Warsaw 2017 - AI that can program

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On next Saturday (30-09), I'll give a presentation under the title "Can artificial intelligence program?" at CareerCon conference. I'll tell about existing solution, their abilities and limitations. At the end I'll try to answer the question if developers needs to worry and predict what we can expect in the future. If you have time I'll be glad to see you! The presentation will be in Polish. Here are the links:

• Conference site
• Fanpage

^*The picture at the beginning of the post was created by Stephen Bowler from wakefield, United Kingdom (terminator) [CC BY 2.0], via Wikimedia Commons.