/C#/C# distinct comparer multiple properties

C# distinct comparer multiple properties

List<Person> distinctPeople = allPeople
  .GroupBy(p => new {p.PersonId, p.FavoriteColor} )
  .Select(g => g.First())
  .ToList();

Source: stackoverflow.com

C# distinct comparer multiple properties

public static IEnumerable<TSource> DistinctBy<TSource, TKey>
    (this IEnumerable<TSource> source, Func<TSource, TKey> keySelector)
{
    HashSet<TKey> seenKeys = new HashSet<TKey>();
    foreach (TSource element in source)
    {
        if (seenKeys.Add(keySelector(element)))
        {
            yield return element;
        }
    }
}

Source: stackoverflow.com

Similar codes

0 vote203 views1 answer
C# insert backslash in string
C#
3 votes201 views1 answer
Create line in unity
C#Unity
1 vote169 views1 answer
How to pause code execution in c#
C#
0 vote155 views1 answer
Move files from one folder to another using c#
C#
0 vote153 views1 answer
Make character move upward forever unity 2d
C#
0 vote149 views1 answer
Run async method parallel c#
C#
0 vote159 views1 answer
C# typeof
C#
1 vote156 views1 answer
After each vue router
C#
13 votes247 views1 answer
How to find the mouse position unity
C#Unity
0 vote160 views1 answer
Rgb to console color
C#