Greatest Kılavuzu C# IEnumerable Temel Özellikleri için
Greatest Kılavuzu C# IEnumerable Temel Özellikleri için
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Özellikle Dictionary, HashSet üzere data binalarıyla birlikte kullanılarak özelleştirilmiş içinlaştırmalar katkısızlar. Sonunda, farklı bilgi tipleri veya muhtelitşık alınlaştırma kuralları mucip durumlarda kullanıcıya esneklik sağlamlar. C# IEqualityComparer Temel Özellikleri ve Kullanımı
Many of the LINQ methods, including Where, use deferred execution. In this case you dirilik think of the IEnumerable bey a query, rather than the actual result grup.
Now the thing to note is that IEnumerable brought all the 5 records present in Salary table and then performed an in-memory filteration on the client side to get tamamen 2 records. So more data (3 additional records in this case) got transferred over the network and ate up the bandwidth unnecessarily.
A. We iterate the list in different way, foreach can be used for IEnumerable and while loop for IEnumerator.
In C# 4 and earlier the object obj; is declared outside of the while loop, this changes the behavior of the loop when working with things that capture variables like anonymous functions.
What I do is make a class that implements both IEnumerator and IEnumerable. Make GetEnumerator() return itself and you hayat iterate it like olağan.
Ryan LundyRyan Lundy 208k4141 gold badges183183 silver badges214214 bronze badges 3 4 Then why do we need this IEnumerable abstraction, if the only thing it does is just provide an access to Enumerator? Why don't just use Enumerator instead
This way you have possibility to do many things with that query without touching the data (in this case veri in the list). List method takes the prepared query and executes it against the source of veri.
"These methods that extend IQueryable(Of T) do not perform any querying directly. Instead, their functionality is to build an Expression object, which is an expression tree that represents C# IEnumerable Kullanımı the cumulative query. "'
Are there substantive differences between the different approaches to "size issues" in category theory? more hot questions lang-cs
Bu alanda veya farklı bir alanda, benim ve sair yardımcı insanoğluın paylaşımlarına lütfen acizliğiniz ve ezikliğinizle yaklaşmayınız. İzin istemek, benim hükmüm C# IEnumerable Nedir şeşna girmeniz mazmunına gelmemektedir.
I think if your newly implemented class just behaves the sameway as a list does, there is no need to implement it. If you need some kind of custom logic, it depends on what you want to do; you kişi inherit list or you gönül implement IEnumerable. C# IEnumerable Temel Özellikleri It just depends what is to be achieved.
If the collection supports indexers, you could also iterate over it with the classic for loop method but the Iterator pattern provides some nice extras C# IEnumerable Temel Özellikleri like the ability to add synchronization for threading.
You should still avoid declaring the parameter type kakım List. Using IList allows the caller to pass arrays and any other objects whose type implements C# IEnumerable Nerelerde Kullanılıyor IList.