SelectMany().Distinct().Count() in Linq · Issue #572 · JasperFx/marten · GitHub
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Piotr Penza on Twitter: "With LINQ in #csharp you can get rid of nested foreach loops. You can use SelectMany or Zip methods. btw: ZIP is the devil:) #dotnet #code #CodeNewbie *more
LINQ SelectMany Method in C# with Examples - Dot Net Tutorials
LINQ SelectMany | Learn the Examples of LINQ SelectMany