我正在开发一个将在全屏显示的WPF应用程序.此外,该应用程序将在许多尺寸的平板电脑中使用.我认为我的应用程序在其全尺寸上独立运行.
完成此任务的最佳做法是什么?
我已经阅读了本教程和本文,但我并不完全理解每种加载类型的用法.
我解释
我有这个POCO:
public partial class dpc_gestion
{
public dpc_gestion()
{
this.ass_reunion_participant = new HashSet<ass_reunion_participant>();
this.dpc_participant = new HashSet<dpc_participant>();
this.dpc_reunion = new HashSet<dpc_reunion>();
}
public int dpc_id_pk { get; set; }
public Nullable<int> dpc_id_gdp_fk { get; set; }
public Nullable<int> dpc_id_theme { get; set; }
public int dpc_id_animateur_fk { get; set; }
public Nullable<System.DateTime> dpc_date_creation { get; set; }
public Nullable<System.DateTime> dpc_date_fin { get; set; }
public Nullable<System.DateTime> dpc_date_engag_anim { get; set; }
public Nullable<bool> dpc_flg_let_engag_anim …Run Code Online (Sandbox Code Playgroud) 我有这个代码:
using Solutionsecurity.web.Models;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Security;
namespace Solutionsecurity.web.Controllers
{
public class HomeController : Controller
{
public ActionResult Login() {
return View(new User());
}
[HttpPost]
[AllowAnonymous]
[ValidateAntiForgeryToken]
public ActionResult Login(User u, string ReturnUrl) {
if (Membership.ValidateUser(u.login, u.password))
{
return RedirectToLocal(ReturnUrl);
}
else {
return View(u);
}
}
[Authorize]
public ActionResult Common()
{
return View();
}
}
}
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我不知道为什么RedirectToLocal没找到!!! 在这一行:
return RedirectToLocal(ReturnUrl);
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有任何想法吗?
以下$http request执行成功,但另一端的PHP脚本在$_POST收到'test'和'testval'时会收到一个空数组.有任何想法吗?
$http({
url: 'backend.php',
method: "POST",
data: {'test': 'testval'},
headers: {'Content-Type': 'application/x-www-form-urlencoded'}
}).success(function (data, status, headers, config) {
console.log(data);
}).error(function (data, status, headers, config) {});
Run Code Online (Sandbox Code Playgroud) 每当我尝试使用&nsbp时,我都会使用spring,js和其他技术实现.对于空白区域,它给我以下错误:
引起:org.apache.jasper.JasperException:/WEB-INF/views/entrada/list.jspx(94,67)引用了实体"nbsp",但没有声明.
at org.apache.jasper.compiler.DefaultErrorHandler.jspError(DefaultErrorHandler.java:40)
at org.apache.jasper.compiler.ErrorDispatcher.dispatch(ErrorDispatcher.java:407)
at org.apache.jasper.compiler.ErrorDispatcher.jspError(ErrorDispatcher.java:88)
at org.apache.jasper.compiler.JspDocumentParser.parse(JspDocumentParser.java:216)
at org.apache.jasper.compiler.ParserController.doParse(ParserController.java:239)
at org.apache.jasper.compiler.ParserController.parseDirectives(ParserController.java:120)
at org.apache.jasper.compiler.Compiler.generateJava(Compiler.java:165)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:332)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:312)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:299)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:589)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:317)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:313)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:260)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:717)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:290)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:646)
at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:551)
at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:488)
at org.apache.jasper.runtime.JspRuntimeLibrary.include(JspRuntimeLibrary.java:968)
at org.apache.jasper.runtime.PageContextImpl.doInclude(PageContextImpl.java:650)
at org.apache.jasper.runtime.PageContextImpl.include(PageContextImpl.java:644)
at org.apache.tiles.jsp.context.JspTilesRequestContext.include(JspTilesRequestContext.java:103)
... 106 more
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我的代码:
</td>
<td>
<c:forEach items="${entrada.tags}" var="tag">
<spring:url value="/find/ByTags?tags=${tag.id}" var="buscarTag"/>
<a href="${buscarTag}">${tag}</a>
</c:forEach>
</td>
<td><input type="hidden" class="horasIn" value="${entrada.horas}"/>
${fn:substring(entrada.horas, 0, 10)}
<c:set var="totalHoras" value="${totalHoras+ entrada.horas }"></c:set>bs
Run Code Online (Sandbox Code Playgroud) 我试图使用Windows Portable Devices API和此API提供的PortableDeviceManager在Windows上枚举连接的便携式设备.
我已经在MSDN文档链接和各种博客链接之后实现了设备ID的枚举,但它们都导致了同样的问题 - 我只能在有几个连接的时候给我一个设备的ID .
这是我正在使用的C#代码片段:
PortableDeviceManagerClass deviceManager = new PortableDeviceManagerClass();
deviceManager.RefreshDeviceList();
uint numberOfDevices = 1;
deviceManager.GetDevices(null, ref numberOfDevices);
if (numberOfDevices == 0)
{
return new string[0];
}
string [] deviceIds = new string[numberOfDevices];
deviceManager.GetDevices(ref deviceIds[0], ref numberOfDevices);
return deviceIds;
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我有两台设备连接到我的电脑,一台可拆卸USB记忆棒和一台数码相机.当两者都处于活动状态时,将仅返回我的相机的设备ID.当我关闭相机时,将返回可移动USB记忆棒的设备ID.
是否有任何有此API经验的人可以指出我做错的方向?
我有一个带有razor视图引擎的Asp.net Mvc应用程序,其中我使用了一个变量Session['user']:当用户登录应用程序时Session['user'] = login,在注销时此变量取值Null.
问题是有一个短暂的超时和会话变量到期:如果我在Session['user'] =null自动登录应用程序后一分钟内什么都不做.
那么如何才能将会话变量的超时设置为无限制,直到它被程序更改为止?有什么建议吗?
我需要压缩一个字节数组.所以我写了这个片段:
class Program
{
static void Main()
{
var test = "foo bar baz";
var compressed = Compress(Encoding.UTF8.GetBytes(test));
var decompressed = Decompress(compressed);
Console.WriteLine("size of initial table = " + test.Length);
Console.WriteLine("size of compressed table = " + compressed.Length);
Console.WriteLine("size of decompressed table = " + decompressed.Length);
Console.WriteLine(Encoding.UTF8.GetString(decompressed));
Console.ReadKey();
}
static byte[] Compress(byte[] data)
{
using (var compressedStream = new MemoryStream())
using (var zipStream = new GZipStream(compressedStream, CompressionMode.Compress))
{
zipStream.Write(data, 0, data.Length);
zipStream.Close();
return compressedStream.ToArray();
}
}
static byte[] Decompress(byte[] data) …Run Code Online (Sandbox Code Playgroud) c# ×8
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