C# IEnumerable Temel Özellikleri Herkes İçin Eğlenceli Olabilir

C# IEnumerable Temel Özellikleri Herkes İçin Eğlenceli Olabilir

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Botz3000Botz3000 39.4k88 gold badges106106 silver badges128128 bronze badges 1 I believe this is was derece asked here so it dirilik be a comment derece an answer, but anyway makes sense from refactoring standpoint

Lakin şuana denli yapmış evetğumuz tüm konulemler döngü bileğteamülkeninin object olarak gelmesini esenlamaktadır. O yüzden doğruca olarak cast ustalıklemi uygulatıyor, “var” namına “Personel” tipini kullanıyorum.

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 ferde 2 records. So more data (3 additional records in this case) got transferred over the network and ate up the bandwidth unnecessarily.

Analogy: Imagine you are a detective on an aeroplane . You need to work your way through all the passengers to find your suspect.

IEnumerable has just one method whereas IEnumerator özgü 2 methods (MoveNext and Reset) and a property Current. For easy understanding consider IEnumerable as a box that contains IEnumerator inside it (though not through inheritance or containment). See the code for better understanding:

The syntax (which you rarely see because there are prettier ways to do it) for moving through a collection that implements IEnumerable is:

Whenever I'm "stacking" LINQ expressions, I use IEnumerable, because by only C# IEnumerable Kullanımı specifying the behavior I give LINQ a chance to defer evaluation and possibly optimize the program. Remember how LINQ doesn't generate the SQL to query the C# IEnumerable Nedir database until you enumerate it? Consider this:

IEnumerable gives you the way to implement your own logic of storing C# IEnumerable Nerelerde Kullanılıyor and iterating over object collection

IEnumerable describes behavior, while List is an implementation of that behavior. When you use C# IEnumerable Nedir IEnumerable, you give the compiler a chance to defer work until later, possibly optimizing along the way. If you use ToList() you force the compiler to reify the results right away.

Is it yasal to initialize an array via a functor which takes the array itself birli a parameter by reference? more hot questions

What US checks and balances prevent the FBI from raiding politicians unfavorable to the federal government?

I think if your newly implemented class just behaves the sameway bey 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 can inherit list or you hayat implement IEnumerable. It just depends what is to be achieved.

Joel CoehoornJoel Coehoorn 410k114114 gold badges576576 silver badges808808 bronze badges 3 3 The key of IEnumarable is that the backing collection is not enumerated until specifically expanded, be C# IEnumerable Nasıl Kullanılır it a foreach or accessor via an indexer. Unfortunately IEnumarable seems to be blindly used birli the lowest interface which now causes problems with asynchronous data manipulation (e.

C#’ta türlü türlü komutlar mevcuttur. Birtakımları tabii olarak ilk etaplarda bir küme kullanma kayranını sezdirmeselerde, dile olan aşinalık ilerledikçe mantığını ve varlığını elan net anladığımız keywordlerin değeri artmaktadır.