Detaylar, Kurgu ve C# IEnumerable Nerelerde Kullanılıyor

Detaylar, Kurgu ve C# IEnumerable Nerelerde Kullanılıyor

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The difference between IQueryable and IEnumerable is centered around this point. IQueryable builds expression trees whereas IEnumerable does not, at least not in general terms for those of us who don't work in the secret labs of Microsoft.

Many of the LINQ methods, including Where, use deferred execution. In this case you birey think of the IEnumerable bey a query, rather than the actual result takım.

The second example returns an IEnumerable that contains all the information needed to run the query later on.

Karma fonksiyonlarının özelleştirilmesi ve bilgi konstrüksiyonlarında başarımı tezyit etmek bâtınin GetHashCode yöntemi kullanılır.

By adding on a Where statement you aren't actually doing much of anything, you're just adding an extra filter to the query so that later on, when you actually evaluate the sequence (in this case, when ToList is called) those filters will all be applied.

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

So the difference between IQueryable and IEnumerable is about where the filter logic is executed. One executes on the client side and the other executes on the database.

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

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

Marc GravellMarc Gravell 1.0m271271 gold badges2.6k2.6k silver badges2.9k2.9k bronze badges 1 1 The mistake with "Reset" was with just having one type of enumerable. IMHO, there should have been an IMultipassEnumerable, inheriting IEnumerable, which would support Reset and C# IEnumerable Nerelerde Kullanılıyor guarantee that multiple passes will either return identical veri or throw an exception; an ordinary IEnumerable whose collection was modified should be allowed to return C# IEnumerable Nasıl Kullanılır 'sensible' data if it's able to do so or throw an exception if it dirilik't, and an ISafeEnumerable, C# IEnumerable Temel Özellikleri which would be expected to work sensibly (without C# IEnumerable Nedir throwing an exception) even if a collection changes. A bit late now to change things, though.

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something is up with your image link, its not rendering in the post body for some reason codeproject.com/KB/cs/646361/WhatHowWhere.jpg

Joel CoehoornJoel Coehoorn 410k114114 gold badges576576 silver badges808808 bronze badges 3 3 The key of IEnumarable is that the backing collection is hamiş enumerated until specifically expanded, be it a foreach or accessor via an indexer. Unfortunately IEnumarable seems to be blindly used as the lowest interface which now causes problems with asynchronous data manipulation (e.

şayet ki siz “var” harcamak istiyorsanız GetEnumerator metodunun art dcivarüş tipini hordaki gibi generic IEnumerator olarak tanılamamlamanız gerekmektedir.