大约有 4,760 项符合查询结果（耗时：0.0172秒） [XML]
Is it better to return null or empty collection?
That's kind of a general question (but I'm using C#), what's the best way (best practice), do you return null or empty collection for a method that has a collection as a return type ?
...
Why should I use a pointer rather than the object itself?
...t = new Object() construct is actually what is closest to typical Java (or C# for that matter) semantics.
share
|
improve this answer
|
follow
|
...
How do you get the index of the current iteration of a foreach loop?
...ncountered (like the few I've learned recently, some on Stack Overflow) in C# to get a value representing the current iteration of a foreach loop?
...
Why start an ArrayList with an initial capacity?
...I actually wrote a blog post on the topic 2 months ago. The article is for C#'s List<T> but Java's ArrayList has a very similar implementation. Since ArrayList is implemented using a dynamic array, it increases in size on demand. So the reason for the capacity constructor is for optimisation p...
How to serialize an object to XML without getting xmlns=“…”?
... obj, ns)
ms.Position = 0
Console.WriteLine(sr.ReadToEnd())
End Using
in C# like this:
//Create our own namespaces for the output
XmlSerializerNamespaces ns = new XmlSerializerNamespaces();
//Add an empty namespace and empty value
ns.Add("", "");
//Create the serializer
XmlSerializer slz = new ...
Why can't I inherit static classes?
...r static members that happen to reside in a static class.
(Mads Torgersen, C# Language PM)
Other opinions from channel9
Inheritance in .NET works only on instance base. Static methods are defined on the type level not on the instance level. That is why overriding doesn't work with static methods/p...
lock(new object()) — Cargo cult or some crazy “language special case”?
..." and this method returned a singleton instance, but he said "hey, doesn't c# have keywords for that"?
– Amiram Korach
Aug 20 '12 at 7:42
9
...
Best way to parse command line arguments in C#? [closed]
...pdated since 2005, seems to be popular, is written by people active in the C# community, and is licensed in BSD style in case support does vanish.
– Charles Burns
Oct 31 '11 at 20:44
...
Where is the “Fold” LINQ Extension Method?
...edia.org/wiki/Fold_(higher-order_function) of a couple dozen languages and C# is the only one that calls it "Aggregate". "Reduce" is the clear winner, followed by "Fold" for the ML family, and "Inject" for Smalltalk and friends.
– Ken
Mar 16 '11 at 22:29
...
Returning IEnumerable vs. IQueryable
...here does come with a limitation: the compiler cannot convert every single C# expression into an expression tree. When you use lambda syntax in a context which expects a delegate type (e.g. Func<T, bool>), the compiler creates a regular C# method, so you can use any C# syntax.
...