Tag Archives: Code

Code Notes snippet manager

Posted on June 18, 2021 by erictummers

Like many developers I have some snippets with code. These snippets are dear to me and I use them all the time. Without a real place to store them I would be lost. This is where Code Notes comes in. … Continue reading →

Posted in Development, Tooling | Tagged , | Leave a comment

Unittesting R scripts

Posted on February 22, 2021 by erictummers

We’re building a solution that uses some R scripts for data analysis and cleanup. The R scripts are tested during the integration phase when the database is available. We would like to test the scripts when new versions are pushed … Continue reading →

Posted in Development, Test | Tagged , , | Leave a comment

Webapi core 2.1 and jQuery (CORS)

Posted on July 3, 2020 by erictummers

I’ve written before about Cordova, AngularJs, WebApi and CORS. (Cross Origin Resource Sharing) Now we have te same hurdle to take with our dotnet core 2.1 webapi. Since the webapi is on a webserver and accessible to third parties we decided … Continue reading →

Posted in Development | Tagged , , , | Leave a comment

Bogus – testdata generator

Posted on May 1, 2020 by erictummers

Photo by Steve Harvey on Unsplash https://www.nuget.org/packages/bogus Creating testdata is not my favourite task. With bogus I can define the rules the data must adhere and generate as much data as I need. The rules are setup with fluent syntax … Continue reading →

Posted in Development, Tooling | Tagged , , , | Leave a comment

EF core: entity cannot be tracked

Posted on April 21, 2020 by erictummers

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 →

Posted in Development, Tooling | Tagged , , , | Leave a comment