Confusion Matrix
How to determine the predictive capacity of a classification model? We often use the confusion matrix which allows us to compare the results of an algorithm to reality. In this article we will see how to read and build it.
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Building a typed DbConnection factory
When working on applications using multiple databases, you not only have to know which connection string to use and which the DbConnection we need. How can we implement a service expecting the calling application to give us the required connection string.
Read moreAdd decorator or proxy to dependency injection
Microsoft's dependency injection mechanism does not support registering a decorator or a proxy instead of an existing service to the service collection but it still makes it possible to implement an extension method to do it.
Read moreAdd alias to depency injection
Microsoft's dependency injection mechanism does not support registering alias to the service collection but it still makes it possible to implement an extension method to do it.
Read moreDbProviderFactory
Since .Net 2.0, `DbProviderFactory` helped building application working on database without knowing the type of the database. It was easier with the old app.config file but not that hard to put back in the appsettings.json file.
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