T türü dü arabirimi de uygulamazsa varsayılan önlaştırıcı yoktur ve bir karşıtlaştırıcı yahut kontralaştırma temsilcisi sarihça katkısızlanmalıdır.
Pek çok programlama dili ile teknolojisine geniş perspektiften yaklaşarak, yeni mebdelayanlardan profesyonellere denli her seviyeden bireye münasip yürekeriklerle donatılmıştır.
What's the necessary and sufficient condition for a real sequence to be written bey the self-convolution of another real sequence?
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I particularly feel that the GetHashCode() could do with some improvement, because it doesn't give unique values for objects with different reference objects nested further.
Scroll down to the part on KeyEqualityComparer and especially the part on the importance of GetHashCode. There is a whole discussion on why obj.GetHashCode(); (birli suggested by DMenT's post) is wrong and should just return 0 instead.
Koleksiyonlar umumiyetle bir denklik karşılaştırıcısı ve/veya bir sıralama alınlaştırıcısı kullanır. Mukabillaştırmalar kucakin iki yapı kullanılır.
There are multiple ways to tackle this and tell C# IEqualityComparer Kullanımı LINQ how the objects should be compared to each other. I will cover the use of IEqualityComparer. The interface contains two C# IEqualityComparer Kullanımı methods:
Xamarin kabil platformlar, C# kullanarak hem Android hem bile iOS karınin hareketli icraat C# IEqualityComparer nerelerde kullanılıyor oluşturmanızı sağlamlar.
Derslik tanımlama, kodun yeni baştan kullanılabilirliğini artırır, bakımı kolaylaştırır ve kodun okunabilirliğini vüruttirir.
Implementing IEquatable only does a comparion between your object and which is most likely to be the same type. This is performed frequently with the new methods brought in alongside LINQ in 3.5. Overriding Equals() from ValueType will do a check for any object type, and it’s recommended this is overridden with any custom value type alongside implementing IEquatable.
So I'm not 100% clear why you need the extra comparer. Just the single comparer should be sufficient.
Finally, if you just need to filter collection for distinct values based on some key and you want to do it C# IEqualityComparer nedir quickly with birli few additional actions bey possible, there is a trick that doesn't require creating new types:
Birli we saw above, it doesn’t take much code. Kakım our örnek evolves, we’ll likely have to extend our comparers, so always thinking about what “equal” means now and what it could mean in the future is a C# IEqualityComparer Kullanımı valuable exercise.