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Author Archives: erictummers
EF core: entity cannot be tracked
We use EF core to store a bulk of data with an auto-number primary key. The auto-number is an Identity column in Sql Server. When inserting a large amount of records with related children we encounter this error: System.InvalidOperationException entity … Continue reading
Computer setup COVID-19 update
I invested in a good computer setup for working-from-home a while ago. When the lockdown for COVID-19 came I was prepared. Still I made some changes and investments to go from one-day-a-week to fulltime working-from-home. Time for an update. No … Continue reading
Logging from Automapper
We’ve been using automapper to convert objects for some time. Now I have the need for logging to help bugtracking. Below a short list of sources how we set this up. And now you’ll need a serviceprovider when unittesting. Thank … Continue reading
AutoMoqCore – auto mocking IoC
Photo by Phillip Glickman on Unsplash https://www.nuget.org/packages/AutoMoqCore/ Dependency Inversion is one of the SOLID principles. This can be applied to unittesting as well. With AutoMoqCore I can develop robust unittests that will always compile. Focus on the smallest possible code for your … Continue reading
Update SEQ with Powershell DSC
We user Powershell Desired State Configuration (DSC) to install everything. A new installation could be done to a clean machine or by removing existing software prior to installing it. Below is part of the script we use. Now we want … Continue reading
