大约有 15,000 项符合查询结果（耗时：0.0220秒） [XML]
Unique Constraint in Entity Framework Code First
...x
Basically you need to insert a call like this in one of your migration scripts:
CreateIndex("TableName", new string[2] { "Column1", "Column2" }, true, "IX_UniqueColumn1AndColumn2");
Something like that:
namespace Sample.Migrations
{
using System;
using System.Data.Entity.Migrations;
...
Compare equality between two objects in NUnit
...Json(object expected, object actual)
{
var serializer = new System.Web.Script.Serialization.JavaScriptSerializer();
var expectedJson = serializer.Serialize(expected);
var actualJson = serializer.Serialize(actual);
Assert.AreEqual(expectedJson, actualJson);
}
It seems to work out gre...
WPF TemplateBinding vs RelativeSource TemplatedParent
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So the main think to remember: Compile time vs Runtime. The TemplateBinding won't work if you try it to change during the runtime. Right ?
– PaN1C_Showt1Me
Feb 18 '10 at 7:29
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Adding a guideline to the editor in Visual Studio
...ur background. This color won't show up on the default background color in VS. This is the value for a light grey: RGB(221, 221, 221).
Here are the registry keys that I know of:
Visual Studio 2010: HKCU\Software\Microsoft\VisualStudio\10.0\Text Editor
Visual Studio 2008: HKCU\Software\Microsoft\V...
Warning as error - How to rid these
...ion of this switch varies, depending on the type of project (class library vs. web application, for example).
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Does Python have a ternary conditional operator?
...rator from many other languages (such as C, C++, Go, Perl, Ruby, Java, Javascript, etc.), which may lead to bugs when people unfamiliar with Python's "surprising" behaviour use it (they may reverse the argument order).
Some find it "unwieldy", since it goes contrary to the normal flow of thought (th...
How do I enable file editing in Visual Studio's debug mode?
...ortunately this solution has not solved for me in this situation (am using VS2013)
– Radderz
Jul 31 '14 at 12:19
18
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Multiline strings in VB.NET
...t;.vb file with above trick syntax in it>) ... Any ideas? Is this just VS 2010 syntactic sugar?
– Chad
Jun 4 '12 at 2:37
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Named routes _path vs _url
...01346#221052
and, here:
http://viget.com/extend/rails-named-routes-path-vs-url
You can also take a look at the relevant section of the HTTP specification here:
http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14.30
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IPC performance: Named Pipe vs Socket
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As often, numbers says more than feeling, here are some data:
Pipe vs Unix Socket Performance (opendmx.net).
This benchmark shows a difference of about 12 to 15% faster speed for pipes.
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