我想打包我的VS2010 Web应用程序项目,以便使用msdeploy进行部署.在开发机器上我可以使用:
MSBuild.exe "C:\path\to\WebApp.csproj" /target:package
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但在我的构建服务器上,我收到此错误:
错误MSB4057:项目中不存在目标"包".
我在构建服务器上缺少什么?
Resharper正在格式化多行方法调用,如下所示:
foo.Bar(
x,
y
);
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我希望它将右括号与第一行对齐,例如:
foo.Bar(
x,
y
);
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我查看了Resharper代码布局选项,但看不到正确的设置.有人能告诉我如何实现这种替代格式吗?
以下代码抛出异常.没有为强制转换接口调用TryConvert.为什么是这样?我可以解决这个问题吗?
using System.Dynamic;
namespace ConsoleApplication1
{
class Program
{
static void Main(string[] args)
{
dynamic test = new JsonNull();
var ok = (string)test;
// Next line throws:
// Unable to cast object of type 'ConsoleApplication1.JsonNull' to type 'ConsoleApplication1.IFoo'.
var fail = (IFoo)test;
}
}
class JsonNull : DynamicObject
{
public override bool TryConvert(ConvertBinder binder, out object result)
{
result = null;
return !binder.Type.IsValueType;
}
}
interface IFoo { }
}
Run Code Online (Sandbox Code Playgroud) 我的HTML表单有许多div,它们是向导的步骤.单击"下一步"按钮后,我想验证活动div.我正在使用jQuery.Validate.js插件.
每个div都有一个ID,所以我想要一种方式来说:
wizardForm.validate().element('#first-step :input')
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但这只能验证第一个输入,而不是所有输入.如何验证div中的所有输入?
以下代码对我来说似乎很合理.它应该创建对象,然后使用动态功能让我分配我喜欢的任何属性.但是编译器说"ExpandoObject不包含Test的定义".我说,"我知道,这是一个怪胎!"
dynamic example = new ExpandoObject
{
Test = "fail"
};
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任何想法为什么csc不允许这样做.
另一种方法是手动将代码扩展为单独的属性分配.
dynamic example = new ExpandoObject();
example.Test = "fail";
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当我有很多属性需要分配时,这很烦人.
给定ASP.NET Web API路由:
example/{Id}
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其映射到以下ApiController操作方法:
public void Example(Model m)
{
...
}
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模型类定义为:
public class Model
{
public int Id { get; set; }
public string Name { get; set; }
}
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当我张贴JSON { "Name": "Testing" }的URL /example/123,然后Id将财产Model对象未绑定.它保持为0而不是123.
如何使模型绑定还包括路径数据中的值?我不想为看似常见的用例编写自定义模型绑定器.任何想法将不胜感激.谢谢!
我已升级到ASP.NET Web API 5.2.2,现在在我的生产Elmah日志中看到以下异常.
System.Threading.Tasks.TaskCanceledException: A task was canceled.
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at System.Web.Http.Controllers.ApiControllerActionInvoker.<InvokeActionAsyncCore>d__0.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at System.Web.Http.Controllers.ActionFilterResult.<ExecuteAsync>d__2.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.ExceptionServices.ExceptionDispatchInfo.Throw()
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.ValidateEnd(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at System.Web.Http.Filters.AuthorizationFilterAttribute.<ExecuteAuthorizationFilterAsyncCore>d__2.MoveNext()
--- End …Run Code Online (Sandbox Code Playgroud) 为什么浏览器在打印时会改变文本的颜色?
例如,创建一个空白HTML文档,其中包含:
<span style="color: #80b831">test</span>
<button onclick="window.print()">Print</button>
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在span具有color: #80b831在屏幕上,但打印时(甚至只是打印预览在Chrome)的颜色是不同的(石灰绿).

如果我在打印预览中勾选Chrome的"背景颜色和图像"选项,则会使用正确的颜色.
这里发生了什么事?如何在默认情况下显示正确的颜色?这与"网页安全"颜色有关吗?
我想在ASP.NET应用程序中使用Nemerle.具体来说,将.n文件放入App_Code.
我将此添加到我的web.config system.codedom/compilers部分:
<compiler language="n;Nemerle" extension=".n" type="Nemerle.Compiler.NemerleCodeProvider, Nemerle.Compiler"/>
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运行时我得到这个例外:
程序集''已经加载到另一个appdomain中.在machine.config中设置可以帮助解决此问题.
堆栈跟踪
[HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.]
System.Web.Compilation.CodeDirectoryCompiler.GetCodeDirectoryAssembly(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories, Boolean isDirectoryAllowed) +8809675
System.Web.Compilation.BuildManager.CompileCodeDirectory(VirtualPath virtualDir, CodeDirectoryType dirType, String assemblyName, StringSet excludedSubdirectories) +128
System.Web.Compilation.BuildManager.CompileCodeDirectories() +265
System.Web.Compilation.BuildManager.EnsureTopLevelFilesCompiled() +320
[HttpException (0x80004005): The assembly '' is already loaded in another appdomain. Setting <deployment retail="true" /> in machine.config can help solve this issue.]
System.Web.Compilation.BuildManager.ReportTopLevelCompilationException() …Run Code Online (Sandbox Code Playgroud)