我有以下xml:
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceCategory android:title="Ringtone preference" android:key="ringtone_option_preference">
<RingtonePreference
android:key="ring_tone_pref"
android:title="Set Ringtone Preference"
android:showSilent="true"
android:ringtoneType="notification"
android:summary="Set Ringtone"/>
</PreferenceScreen>
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我希望每次通知即将显示时,要查看铃声的值并相应地发出蜂鸣声:)...更准确地说,我的通知是在broadcastReceiver类中生成的,每次接收器捕获的内容都会创建一个新通知...我只想根据首选项中设置的铃声更改通知的铃声.
我怎样才能做到这一点?
谢谢
麦克风
我创建了一个视图和一个控制器,控制器我想要返回一些搜索结果.我使用jquery调用控制器
<input type="text" id="caption" />
<a href="#" id="search">Search</a>
<script>
$("#search").click(function () {
alert('called');
var p = { Data: $('#search').val() };
$.ajax({
url: '/Ingredients/Search',
type: "POST",
data: JSON.stringify(p),
dataType: "json",
contentType: "application/json; charset=utf-8",
success: function (data) {
alert(data);
},
error: function () {
alert("error");
}
});
});
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我的控制器看起来像这样
[HttpPost]
public ActionResult Search(string input)
{
var result = _db.Ingredients.Where(i => i.IngredientName == input);
return new JsonResult() {Data = new {name="Hello There"}};
}
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我的问题是我不知道如何从我的jquery调用中获取varible进入控制器,我在控制器上放置了一个断点并且它被命中但是输入字符串始终为null.
我做错了什么?
我听说元组元素占用空间不足但无法修改,因此在执行时间方面最佳解决方案是什么:
hash = {}
hash['foo'] = [34,'foobar',[55,90]]
hash['foo'][0] = hash['foo'][0] + 17
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要么
hash = {}
hash['foo'] = (34,'foobar',[55,90])
hash['foo'] = (hash['foo'][0] + 17,hash['foo'][1],hash['foo'][2])
Run Code Online (Sandbox Code Playgroud) 在我的基于桌面的WPF4应用程序中,有一个带有侧边栏菜单的大块,在每个窗口中重复,大约需要70行XAML.为了提高代码重用率,我想将XAML文件拆分为两个文件:
据我所知,有两种方法可以解决我的问题:
ResourceDictionaryUserControl/CustomControl我的问题是:
ResourceDictionary和之间有什么区别UserControl?你能给我的例子,我必须用UserControl在哪里ResourceDictionary?
你能给出一个完整的代码示例,如何将一个XAML文件的内容包含/导入到其他文件中?
PS以下是我要导出到单独的XAML文件的代码示例:
<Border Style="{StaticResource Body_SideBarMenu_Border_Settings}">
<StackPanel Style="{StaticResource Body_SideBarMenu}">
<TextBlock Style="{StaticResource Body_SideBarMenu_Title}"
Text="{x:Static res:Resources.WinApp_SideBarMenu_Title}" />
<TextBlock x:Name="SideBar_WinReports"
Style="{StaticResource Body_SideBarMenu_Item}"
Text="{x:Static res:Resources.DashListMarker}">
<Hyperlink KeyboardNavigation.TabIndex="12"
Style="{StaticResource Body_SideBarMenu_Item_Hyperlink}"
Click="Call_WinReports_Click">
<TextBlock Text="{x:Static res:Resources.WinApp_ModuleName_Reports}" />
</Hyperlink>
</TextBlock>
</StackPanel>
</Border>
Run Code Online (Sandbox Code Playgroud) 我在圆角桌上剥皮有些问题.
请看一下图片:

这里是代码:
<table id="whitePanel" width="190px" cellpadding="0" cellspacing="0" border="0" >
<tr>
<td>
<img src="assets/images/lightRoundedCorners/tl.png" width="8" height="8" border="0" alt="..." />
</td>
<td>
<img src="assets/images/lightRoundedCorners/t.png" alt="..." height="8" width="100%" />
</td>
<td>
<img src="assets/images/lightRoundedCorners/tr.png" width="8" height="8" border="0" alt="..." />
</td>
</tr>
<tr>
<td>
<img src="assets/images/lightRoundedCorners/l.png" width="8" alt="..." height="100%" border="0"/>
</td>
<td align="center" border="0" style="background: url(assets/images/lightRoundedCorners/c.png) repeat">
ACTUAL CONTENT
<p>1. Item 1</p>
<p>1. Item 1</p>
<p>1. Item 1</p>
</td>
<td>
<img src="assets/images/lightRoundedCorners/r.png" width="8" alt="..." height="100%" border="0"/>
</td>
</tr>
<tr>
<td>
<img src="assets/images/lightRoundedCorners/bl.png" width="8" height="8" …Run Code Online (Sandbox Code Playgroud) 我正在尝试以编程方式向 XDocument 添加一个新的 XLink 节点,但 .Net 似乎将它们创建为原子化的命名空间和名称,我找不到任何代码将 XLink 节点添加到 XML?
我的代码如下所示:
//read in the current XML content
XDocument content = XDocument.Parse(xmlContent);
//add a new node called large images
XElement newNode = new XElement("large_images", "");
newNode.SetAttributeValue("{xmlns}xlink", "http://www.w3.org/1999/xlink");
newNode.SetAttributeValue("{xlink}type", "simple");
newNode.SetAttributeValue("{xlink}href", "tcm:5-550");
newNode.SetAttributeValue("{xlink}title", "of1_454x340.jpg");
content.Add(newNode);
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不幸的是,这个 newNode 是这样出现的:
<large_images p1:xlink="http://www.w3.org/1999/xlink" p2:type="simple" p2:href="tcm:5-550" p2:title="of1_454x340.jpg" xmlns:p2="xlink" xmlns:p1="xmlns"></large_images>
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但我需要节点看起来像这样才能通过 XML 验证:
<large_images xmlns:xlink="http://www.w3.org/1999/xlink" xlink:type="simple" xlink:href="tcm:5-550" xlink:title="of1_454x340.jpg"></large_images>
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有人可以帮忙吗?我不想走 String.Replace() 路线,因为这似乎必须是另一种方式?
谢谢
瑞安
我正在尝试使用python-twitter模块,但仍然在启动twitter.Api()时遇到问题.我已经检查并重新检查了我的系统上没有其他名为twitter.py或twitter.pyc的文件.在干净的安装我首先尝试
>>> import twitter
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并正确得到'模块未知'的响应
我做了easy_install twitter,成功了.
然后做
>>> import twitter
>>> testapi = twitter.Api()
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回应是
Traceback (most recent call last):
File "<pyshell#2>", line 1, in <module>
testapi = twitter.Api()
AttributeError: 'module' object has no attribute 'Api'
>>>
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我很累,试图在这里找到问题,请帮忙.
任何人都可以帮助我们吗?
我们正在尝试在JSF应用程序中创建注册用户功能.我们希望用户在注册后立即登录.用户点击我是一个新的客户端commandLink后,我们有这个例外,我们不知道如何处理它:
com.sun.faces.mgbean.ManagedBeanPreProcessingException: Unexpected error processing managed bean registerBean
at com.sun.faces.mgbean.BeanManager.preProcessBean(BeanManager.java:394)
at com.sun.faces.mgbean.BeanManager.create(BeanManager.java:260)
at com.sun.faces.el.ManagedBeanELResolver.getValue(ManagedBeanELResolver.java:86)
at javax.el.CompositeELResolver.getValue(CompositeELResolver.java:175)
at com.sun.faces.el.FacesCompositeELResolver.getValue(FacesCompositeELResolver.java:72)
at com.sun.el.parser.AstIdentifier.getValue(AstIdentifier.java:99)
at com.sun.el.parser.AstValue.getValue(AstValue.java:158)
at com.sun.el.ValueExpressionImpl.getValue(ValueExpressionImpl.java:219)
at com.sun.faces.facelets.el.TagValueExpression.getValue(TagValueExpression.java:102)
at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:190)
at javax.faces.component.ComponentStateHelper.eval(ComponentStateHelper.java:178)
at javax.faces.component.UIOutput.getValue(UIOutput.java:168)
at com.sun.faces.renderkit.html_basic.HtmlBasicInputRenderer.getValue(HtmlBasicInputRenderer.java:205)
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.getCurrentValue(HtmlBasicRenderer.java:338)
at com.sun.faces.renderkit.html_basic.HtmlBasicRenderer.encodeEnd(HtmlBasicRenderer.java:164)
at javax.faces.component.UIComponentBase.encodeEnd(UIComponentBase.java:878)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1620)
at javax.faces.render.Renderer.encodeChildren(Renderer.java:168)
at javax.faces.component.UIComponentBase.encodeChildren(UIComponentBase.java:848)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1613)
at javax.faces.component.UIComponent.encodeAll(UIComponent.java:1616)
at com.sun.faces.application.view.FaceletViewHandlingStrategy.renderView(FaceletViewHandlingStrategy.java:380)
at com.sun.faces.application.view.MultiViewHandler.renderView(MultiViewHandler.java:126)
at com.sun.faces.lifecycle.RenderResponsePhase.execute(RenderResponsePhase.java:127)
at com.sun.faces.lifecycle.Phase.doPhase(Phase.java:101)
at com.sun.faces.lifecycle.LifecycleImpl.render(LifecycleImpl.java:139)
at javax.faces.webapp.FacesServlet.service(FacesServlet.java:313)
at org.apache.catalina.core.StandardWrapper.service(StandardWrapper.java:1523)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:279)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:188)
at org.apache.catalina.core.StandardPipeline.invoke(StandardPipeline.java:641)
at com.sun.enterprise.web.WebPipeline.invoke(WebPipeline.java:97)
at com.sun.enterprise.web.PESessionLockingStandardPipeline.invoke(PESessionLockingStandardPipeline.java:85)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:185)
at org.apache.catalina.connector.CoyoteAdapter.doService(CoyoteAdapter.java:325)
at …Run Code Online (Sandbox Code Playgroud) 你如何在php中检查字符串是否是sql语句的有效兼容列名?只是一个字符串匹配.
我发现malloc_history在iOS模拟器上测试时很有用,是否可以为物理设备(iPhone 4)配置它.
在控制台上我得到类似的消息
warning: Unable to read symbols for /Developer/Platforms/iPhoneOS.platform/DeviceSupport/4.2.1 (8C148)/Symbols/Developer/usr/lib/libXcodeDebuggerSupport.dylib (file not found).
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我需要在某处设置此文件吗?
在终端上我得到了这个
malloc_history cannot examine process xxxx because the process does not exist.
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任何直接的建议/指向文档将不胜感激.
谢谢