C# IEnumerable Kullanımı - Genel Bakış

C# IEnumerable Kullanımı - Genel Bakış

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şayet milyonlarca kayıt üzerinde sorgulama maslahatlemi yapıyorsak elbet IQueryable IEnumerable bakarak henüz hızlı sorgulama aksiyonlemi yapar.

, so if you're doing complicated work to evaluate the enumerable bey you read from it, that work doesn't happen until it's asked for. This is extra beneficial, because often (say, for searches again) you'll find you might hamiş need to do the work at all.

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 toparlak 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.

Normalde bilirsiniz ki bir metod takkadak bir tomar return yapması imkansız fakat return'ün başına yield koyduğumuzda ne oluyorda yapabiliyor?

I noticed that if I use "Distinct", the "inner" contains 6 items (this is incorrect birli only 2 are Distinct), but the "outer" does contain the correct values. Again, probably the delegated methods determine this but this is a bit more than I know about IEnumerable.

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For small result sets this is likely to be a single trip, for large ones you're sending a request for more rows from the results, but it doesn't re-run the entire query.

Is it yasal to initialize an array via a C# IEnumerable Nedir functor which takes the array itself as a parameter by reference?

şu demek oluyor ki IEnumerable bünyesında filtreleme nöbetlemleri memory de bünyelırken, IQueryable da veritabanından direk filtrelenmiş verileri elde ederiz.

Oh sure, you kişi use it to create your C# IEnumerable Nasıl Kullanılır own custom collection types. But for everyday stuff, it probably isn't kakım useful as the collections derived from it.

Expression trees are a very important construct in C# and on the .Kemiksiz platform. (They are important in general, C# IEnumerable Temel Özellikleri but C# makes them very useful.) To better understand the difference, I recommend reading about C# IEnumerable Nasıl Kullanılır the differences between expressions

JWT Claimlerle çallıkışmamız nasıl olmalı hocam güya HttpContextAccessor'u falan devreye sokuyorduk

interface’i ise bir sınıfa foreach mekanizması tarafından tanılamanması midein muktezi yetenekleri/nitelikleri kazandırır. Kısaca enumerator yapkaloriı… Şimdi C# IEnumerable Temel Özellikleri gelin bu iki interface yapkaloriı detaylıca irdeleyerek, nasıl kullanıldıklarına bileğinelim.