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In EF Core, you birey encapsulate collections and achieve true domain modeling by using backing fields.
. Why hamiş return IEnumerable? Calling code would have to cast, which they are unlikely to do without knowing the internals of the property they are accessing.
Sum(IEnumerable, Func) Computes the sum of the sequence of nullable Single values that are obtained by invoking a transform function on each element of the input sequence.
Dirilik you arrange 25 whole numbers (not necessarily all different) so that the sum of any three successive terms is even but the sum of all 25 is odd?
Suppose you need to return a list of all authors from the database as shown in the code snippet given below.
Modülerlik: Mukayyetm projelerinde modüler bir yaklaşım sunarak şifre geneını azaltır ve bakımı kolaylaştırır.
Sonuç olarak System.Collections isim düzlükı altında muhalifmıza 7 sayı non-generic ve 7 adette generic dershane çıkmaktadır. Köken önemli olan doğruca dershaneı tamam yerde kullanmaktır.
Exposing the array directly to those using it means that they can modify it - this is a violation of encapsulation and veri hiding.
Movie about a planet where C# ReadOnlyCollectionBase Nasıl Kullanılır seeds must be harvested just right in order to liberate a valuable crystal within
However, if you want to access the elements of the IEnumerable collection by index or you want to retrieve the number of elements in the collection, you should use IReadOnlyList as shown below.
Inheriting from a non-generic base class C# ReadOnlyCollectionBase Nerelerde Kullanılıyor would be ineffecient. If the type was using a non-generic base, all it would be would be a thin C# ReadOnlyCollectionBase Nasıl Kullanılır layer above the base collection, where C# ReadOnlyCollectionBase Nasıl Kullanılır the generic features would simply derive from casting from the underlying object instances of the base collection.
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A method like PayUnpaidInvoices being present may lead to second guessings about what "regular" collection methods like Remove and Clear might do. Will it just remove invoices from the in-memory collection, or will it delete them from the database?