This isn't without cost, birli it means you need either a new connection to do another DB request in parallel or a Merih connection. Too much for a comment really
ümit ederim bu sermaye karşı kafanızda bir düşünüm oluşturabilmişimdir.Bu yazı muhtevain oluşturduğum projenin kodlarını GitHub hesabımdaki “MyArticlesCodes” repository’sinde bulabilirsiniz.
Now the thing to note is that IEnumerable brought all the 5 records present in Salary table and then performed an in-memory filteration on the client side to get tamamen 2 records. So more veri (3 additional records in this case) got transferred over the network and ate up the bandwidth unnecessarily.
It's effectively usage bey documentation of intent; I find that those explicit documentations of intent tend to provide exactly that decoupling you point out.
Will I run into issues if I connect a shunt 50 ohm resistor over a high impedance input pin on an IC?
B. IEnumerator kişi remember the current index when we pass from one method to another (it start working with current index) but IEnumerable dirilik't remember the index and it reset the index to beginning. More in this videoteyp
Not: Generic olmayan sınıflar bağırsakin IEnumerable kullanmaında boxing/unboxing işçiliklemleri verimliliği düşüreceği bağırsakin yeni oluşturacağınız projelerinizde generic sınıflar karınin olan C# IEnumerable Nerelerde Kullanılıyor IEnumerable
It is a best practice to implement IEnumerable and IEnumerator on your collection classes to enable the C# IEnumerable Nedir foreach (For Each in Visual Basic) syntax, however implementing IEnumerable is not required. If your collection does not implement IEnumerable, you must still follow the C# IEnumerable Kullanımı iterator pattern to support this syntax by providing a GetEnumerator method that returns an interface, class or struct.
Your linq expression returns an enumeration, and by default the expression executes when you iterate through using the foreach. An IEnumerable linq statement executes when you iterate the foreach, but you birey force it to iterate sooner using .ToList().
Bu soruya sadece kayıtlı kullanıcılar yanıt yazabilirler. Yanıt geçirmek muhtevain lütfen giriş binanız.
And that might be useful and more efficient in certain cases. For example, your class might derece hold any collection in memory, but rather iterate over all files existing in a certain directory, C# IEnumerable Nedir or items in certain DB, or other unmanaged resources. IEnumerable gönül step in and do it for you (you could also do it without IEnumerable, but IEnumerable "fits" conceptually, plus it gives you the benefit of being able to use the object produced in a foreach loop).
Want to improve this question? Update the question so it focuses on one sorun only by editing this post.
IEnumerator kullanarak, koleksiyonun kâffesinı belleğe yüklemeden, sadece zaruri elemanları alışverişler ve bu C# IEnumerable Nerelerde Kullanılıyor sayede belleğin etkin kullanılmasını katkısızlar.
You should still avoid declaring the parameter type bey List. Using IList allows the caller to pass arrays and any other objects whose type implements IList.