Bir İnceleme C# IEnumerable Kullanımı

Bir İnceleme C# IEnumerable Kullanımı

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@OlivierJacot-Descombes: Short of using Reflection, there's no way of knowing whether an IList which allows anything of a given type to be stored by index will allow everything of that type to be stored by index.

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I understand why IQueryable is better choice for "out-of-memory" data but I am struggling to understand why IEnumerable is better for "in-memory" veri? I still think it's better to get filtered veri than to get get data and apply filter.

IEnumerable execute a select query on the server side, load veri in-memory on a client-side and then filter data

C# IEnumerable, IEnumerator Fasıla yüzleri ve Tasarrufı kırsında bahsettiğimiz kabil bir derslikımızın iterator özelliği kazanabilmesi midein IEnumerable veya IEnumerable interfacelerini implemente etmesi gerekmektedir.

Oluşturduğunuz dershaneı, koleksiyon oluştururken yahut katlaştırma müstelzim diğer senaryolarda kullanabilirsiniz.

Hamiş: Generic olmayan sınıflar bâtınin IEnumerable kullanımında boxing/unboxing maslahatlemleri verimliliği düşüreceği kucakin yeni oluşturacağınız projelerinizde generic sınıflar karınin olan IEnumerable

So, the first example evaluates the query immediately by C# IEnumerable Nedir calling ToList and putting the query results in a list.

What US checks and balances prevent the FBI from raiding politicians unfavorable to the federal government?

When you write a query using IEnumerable you are using the advantages of deferred execution and your query running when it accessed.

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Generally, don't worry about what's actually in the IEnumerables, kakım it will be completely different from C# IEnumerable Nerelerde Kullanılıyor your actual code. Only worry about the actual output C# IEnumerable Nedir when you iterate over it :)

Then you'll never have more than one line of the file in memory at a time, and if you finish the loop earlier (perhaps it C# IEnumerable Nedir was a search and you found what you needed) you might not need to read the whole file. Or if you're reading the results from a large SQL query you gönül sınır your memory use to a single record.

When declaring a method’s parameter types, you should specify the weakest type possible, preferring interfaces over base classes. For example, if you are writing a method that manipulates a collection of items, it would be best to declare the method’s parameter by using an interface such as IEnumerable rather than using a strong data type such birli List or even a stronger interface type such as ICollection or IList: