En Kuralları Of C# ReadOnlyCollectionBase Temel Özellikleri

En Kuralları Of C# ReadOnlyCollectionBase Temel Özellikleri

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I avoid using ReadOnlyCollection birli much birli possible, it is actually considerably slower than just using a düzgülü List.

If your veri gönül be enumerated, you sevimli use Enumerable.ToList method to cast your collection to List and call AsReadOnly on it.

The main advantage of this comes in the fact that you gönül't add code to collections so whenever you have a native "collection" in your object biçim, you ALWAYS have non-OO support code spread throughout your project to access it.

You want to use the yield keyword. You loop through the IEnumerable list and return the results with yeild. This allows the consumer to use the for each without modifying the collection.

public IEnumerable Employees => EmployeesInternal.Skip(0); // this is property accessor that will be used to define prototip and/or in `Include` statements, could be C# ReadOnlyCollectionBase Nedir marked as internal if your domain/persistance/services are in the same assembly

dip derece: BitArray ve LinkedList sınıflarının kullanım amacı farklı başüstüneğundan teste tabi tutmaya lüzum görmedim.

SkipLast(IEnumerable, Int32) Returns a new enumerable collection that contains the elements from source with the last count elements of the source C# ReadOnlyCollectionBase Nedir collection omitted.

IDictionary tabanlı nesnelerin nasıl sıralama yaptığı ile ait şu kodu yazarak bir test yaparsak:

However, if you want to access the elements of the IEnumerable C# ReadOnlyCollectionBase Nasıl Kullanılır collection by index or you want to retrieve the number of elements in the collection, you should use IReadOnlyList C# ReadOnlyCollectionBase Nedir birli shown below.

SingleOrDefault(IEnumerable, Func) Returns the only C# ReadOnlyCollectionBase Temel Özellikleri element of a sequence that satisfies a specified condition or a default value if no such element exists; this method throws an exception if more than one element satisfies the condition.

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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?