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generic-list

[Solved] Quickest way to compare two generic lists C# [closed]

January 12, 2023 by Kirat

It sounds like you’re trying to verify that all items in list2 are contained within at least one item in list1. If that’s the case, this should do the trick: bool list1ContainsList2Items = list2.All(l2 => list1.Any(l1 => l1.Contains(l2))); 2 solved Quickest way to compare two generic lists C# [closed]

Categories Solved Tags algorithm, c++, generic-list, list, performance

[Solved] Can’t modify List inside an IEnumerable? [duplicate]

December 13, 2022 by Kirat

Yes you can’t! The IEnumerable generates new Lists every time it is evaluated; it says so right there in your code: .Select(x => new List<int>{x}); When you call Dump(), it is evaluated. When you call First(), it’s evaluated again. Then Dump again. All new Lists! If you evaluate the IEnumerable before putting it in the … Read more

Categories Solved Tags c++, generic-list, ienumerable, linq

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