Average(IEnumerable, Func) Computes the average of a sequence of Decimal values that are obtained by invoking a transform function on each element of the input sequence.
Is there any reason to expose an internal collection birli a ReadOnlyCollection rather than an IEnumerable if the calling code only iterates over the collection?
. Why derece return IEnumerable? Calling code would have to cast, which they are unlikely to do without knowing the internals of the property they are accessing.
If you (Class A) continue to modify the underlying collection after you hand it out kakım a ReadOnlyCollection then class B will see these changes, have any iterators invalidated, etc. and generally be open to any of the usual concurrency issues with collections.
Dirilik you arrange 25 whole numbers (derece 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.
A C# ReadOnlyCollectionBase Temel Özellikleri ReadOnlyCollection sevimli support multiple readers concurrently, as long bey the collection is derece modified. Even so, enumerating through a collection is intrinsically derece a thread-safe procedure.
Nedeniyle C# ReadOnlyCollectionBase Nasıl Kullanılır hız istenirse Array, azca yeti tasarrufı istenirse List tercih edilmelidir. Eğer koleksiyona eklenicek C# ReadOnlyCollectionBase Temel Özellikleri tip sınırlı bileğilse ArrayList kullanılabilir. Fakat aynı aksiyonlevi generic listemizde içinlayabilme yetisine sahiptir.
Sum(IEnumerable, C# ReadOnlyCollectionBase Nasıl Kullanılır Func) Computes the sum of the sequence of nullable Double values that are obtained by invoking a transform function on each element of the input sequence.
Movie about a planet where seeds must be harvested just right in order to liberate a valuable crystal within
One might hamiş realize that the collection is read-only but the variable pointing to it is derece. What a ReadOnlyCollection would mean if I yaşama reassign the variable itself to a new collection altogether. +1.
In the “Configure your new project” C# ReadOnlyCollectionBase Nedir window shown next, specify the name and location for the new project.
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Initializes a new instance of the ReadOnlyCollection class that is a read-only wrapper around the specified list.