C# IEnumerable Nedir Üzerinde Buzz söylenti

C# IEnumerable Nedir Üzerinde Buzz söylenti

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IEnumerable tüm verileri düzenıp memory de sara, sorgulama kârlemlerini memory üzerinden yaparken IQueryable ise şartlara bağlı query oluşturarak aracısız veritabanı üzerinden sorgulama çalışmalemi yapar.

Down Below I took part of a code I was looking at. I don't understand the IEnumerable part of the Code. Birey someone just walk me through the meaning of each line. Thanks

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Now List implements IEnumerable, but represents the entire collection in memory. If you have an IEnumerable and you call .ToList() you create a new list with the contents of the enumeration in memory.

IEnumerable başmaklık 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:

but if you "spoof" the enumerator into an enumerable, the second sequence will be empty. Or if you do them in parallel - just bizarre. And there are

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

ServyServy C# IEnumerable Kullanımı 203k2727 gold badges342342 silver badges458458 bronze badges 1 @Jay thanks, just noticed that when re-reading.

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

This works for read-only access to a collection that implements that IEnumerable birey be used with a foreach statement.

" This is false, because the where clause is getting called on an IEnumerable and that only knows how to loop through objects which are already coming from the database. If you made the return of AllSpotted() and the parameters of Feline() and Canine() into IQueryable, then the filter would happen in SQL and this answer would make sense.

Bir ahir elementin varlığını sınayan MoveNext ve makbul elementi veren GetCurrent metodlarına sahiptir.

RastoRasto 17.6k4848 gold badges161161 silver badges253253 bronze badges 5 1 Unfortunately you C# IEnumerable Nedir have to make your own. The most conservative approach would be for you to cache all the items inside your new enumerable, to handle enumerators that birey only be enumerated once, so there is no general class for this in the runtime.

Short story about a boy living on a fake tropical island / C# IEnumerable Nedir paradise planet, who was actually an adult CEO but didn't remember it