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QuestionIs there anything that Python or Java can do for windows GUI applications while C# can't ? Pin
Code4Ever24-Jun-22 2:33
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AnswerRe: Is there anything that Python or Java can do for windows GUI applications while C# can't ? Pin
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AnswerRe: Is there anything that Python or Java can do for windows GUI applications while C# can't ? Pin
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QuestionLinq TO SQL DistinctBy Question Pin
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AnswerRe: Linq TO SQL DistinctBy Question Pin
OriginalGriff23-Jun-22 19:49
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GeneralRe: Linq TO SQL DistinctBy Question Pin
Richard Deeming23-Jun-22 22:36
mveRichard Deeming23-Jun-22 22:36 
Not quite. An anonymous type uses value equality, not reference equality:
Because the Equals and GetHashCode methods on anonymous types are defined in terms of the Equals and GetHashCode methods of the properties, two instances of the same anonymous type are equal only if all their properties are equal.

Also, the DistinctBy operator which was added in .NET 6 uses a different approach from the blog you linked to:
runtime/Distinct.cs at ebba1d4acb7abea5ba15e1f7f69d1d1311465d16 · dotnet/runtime · GitHub[^]

And the answer will also depend on whether the DistinctBy method gets translated to SQL, or evaluated on the client.



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AnswerRe: Linq TO SQL DistinctBy Question Pin
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