大约有 4,763 项符合查询结果（耗时：0.0247秒） [XML]
Using IQueryable with Linq
...le.WriteLine("{0}: {1}", row.Id, row.Name);
}
}
this becomes (by the C# compiler):
var qry = ctx.Customers.Where(cust => cust.Region == "North")
.Select(cust => new { cust.Id, cust.Name });
which is again interpreted (by the C# compiler) as:
var qry = Queryable.Selec...
How to get a user's client IP address in ASP.NET?
...'s blog post "Gotcha: HTTP_X_FORWARDED_FOR returns multiple IP addresses"
C#
protected string GetIPAddress()
{
System.Web.HttpContext context = System.Web.HttpContext.Current;
string ipAddress = context.Request.ServerVariables["HTTP_X_FORWARDED_FOR"];
if (!string.IsNullOrEmpty(ipAdd...
Why no generics in Go?
...face{} is not equivalent to void* pointers in C. Better analogies would be C#'s System.Object or Objective-C's id types. Type information is preserved and can be "cast" (asserted, actually) back to its concrete type. Get the gritty details here: golang.org/ref/spec#Type_assertions
...
Method can be made static, but should it?
...methods versus Instance methods
10.2.5 Static and instance members of the C# Language Specification explains the difference. Generally, static methods can provide a very small performance enhancement over instance methods, but only in somewhat extreme situations (see this answer for some more detai...
Regex Email validation
...)|(([0-9]{1,3}\.){3}[0-9]{1,3}))$";
For more info go read about it here: C# – Email Regular Expression
Also, this checks for RFC validity based on email syntax, not for whether the email really exists. The only way to test that an email really exists is to send and email and have the user verif...
Java - Method name collision in interface implementation
...ven not used at all (but affected major design semantics).
I tend to agree C#-style explicit context/namespace indication is helpful.
share
|
improve this answer
|
follow
...
Create thumbnail image
...view from file location. How to generate that of .jpeg file?
I am using C# language with asp.net .
4 Answers
...
What is a good choice of database for a small .NET application? [closed]
I'm developing a small application with C# in .NET and I want to have a small light weight database which does not use much resources.
...
Why “decimal” is not a valid attribute parameter type?
... Correct, but note that you're quoting an old version of the spec. In C# versions 3.0, 4.0, and 5.0, it is stated that it can also have type sbyte, ushort, uint, ulong. And that seems to work all right. But still decimal is not allowed :-(
– Jeppe Stig Nielsen
...
View all TODO items in Visual Studio using GhostDoc
...that in Express versions like Visual Web Developer 2010 Express and Visual C# Express 2010, you need to be in Expert mode to enable the task list. Expert mode is at menu Tools → Settings → Expert Mode.
Then the option to open the list is in menu View → Task List.
...