大约有 4,828 项符合查询结果（耗时：0.0156秒） [XML]
Convert List to List
...he latter.
This kind of conversion is called a "covariant" conversion. In C# 4 we will allow you to make covariant conversions on interfaces and delegates when the conversion is known to be always safe. See my blog articles on covariance and contravariance for details. (There will be a fresh one o...
Converting .NET DateTime to JSON [duplicate]
...eturns the number of milliseconds since Jan 1, 1970 (useful for converting C# dates to JS dates)
public static double UnixTicks(this DateTime dt)
{
DateTime d1 = new DateTime(1970, 1, 1);
DateTime d2 = dt.ToUniversalTime();
TimeSpan ts = new TimeSpan(d2.Ticks - d1.Ticks);
return ...
Language Books/Tutorials for popular languages
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For C#:
CLR via C#
C# in Depth
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edited Apr 2 '12 at 7:43
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Can I use a collection initializer for Dictionary entries?
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after C# 3.0 you can use var instead of the declaring type, or if leaving the declaring type can omit the new Dictio... -- stackoverflow.com/questions/5678216/…
– drzaus
Jan 13 '14 at 20:24
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Member '' cannot be accessed with an instance reference
I am getting into C# and I am having this issue:
10 Answers
10
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What is the maximum possible length of a .NET string?
...owed.
Now, here's something you're welcome to try yourself.
Create a new C# console app in Visual Studio and then copy/paste the main method here:
static void Main(string[] args)
{
Console.WriteLine("String test, by Nicholas John Joseph Taylor");
Console.WriteLine("\nTheoretically, C# sh...
What is the exact problem with multiple inheritance?
...e whether multiple inheritance should be included into the next version of C# or Java. C++ folks, who are fortunate enough to have this ability, say that this is like giving someone a rope to eventually hang themselves.
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Type of conditional expression cannot be determined because there is no implicit conversion between
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In C# 9 this is now allowed blog
Target typed ?? and ?
Sometimes conditional ?? and ?: expressions don’t have an obvious shared type between the branches. Such cases fail today, but C# 9.0 will allow them if there’s...
How does the ThreadStatic attribute work?
...evel, in the .NET jit compiler. Compilers that emit to IL like VB.NET and C# don't need to know anything about Win32 TLS in order to emit IL code that can read and write a variable that has the ThreadStatic attribute. There's nothing special about the variable as far as C# knows - it's just a loca...
Pass array to mvc Action via AJAX
... for the tip about the traditional property. I could not figure out why my C# param was null. I found that the type "int[]" will also work in C# Action method.
– Dan Randolph
Jul 11 '14 at 21:04
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