我想使用来自JSTL forEach循环的计数,但我的代码似乎不起作用.
<c:forEach items="${loopableObject}" var="theObject" varStatus="theCount">
<div id="divIDNo${theCount}">
</div>
</c:forEach>
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产生
<div id="divIDNojavax.servlet.jsp.jstl.core.LoopTagSupport$1Status@5570e2" >
Run Code Online (Sandbox Code Playgroud) 我想根据条目的值设置下拉列表(select)进行更改.
我有
<select id="mySelect">
<option value="ps">Please Select</option>
<option value="ab">Fred</option>
<option value="fg">George</option>
<option value="ac">Dave</option>
</select>
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而且我知道我想要更改下拉列表,以便选择值为"fg"的选项.我怎么能用JQuery做到这一点?
如何根据包名设置log4j以记录到不同的文件?
例如:
com.myname.fred logs to fred.log
com.myname.derek logs to derek.log
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我正在使用属性文件配置格式.目前它是为服务器设置的,我想单独留下它并为我的日志记录添加内容.
以下是属性文件的外观:
##
## Licensed to the Apache Software Foundation (ASF) under one or more
## contributor license agreements. See the NOTICE file distributed with
## this work for additional information regarding copyright ownership.
## The ASF licenses this file to You under the Apache License, Version 2.0
## (the "License"); you may not use this file except in compliance with
## the License. You may obtain a copy of …Run Code Online (Sandbox Code Playgroud) 如何才能使新的JqueryUI工具提示仅在focus以下情况下可见:此时它依次focus打开hover.我相信这是自JqueryUI 1.9以来
这不好吗?
(想象它更大)
int count;
//done something to count
String myString = "this " + "is " + "my " + "string" + "and " + this.methodCall() + " answer " + "is : " + count;
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或者在StringBuilder/StringBuffer中更好?
使用Selenium IDE,如何测试元素的内部文本是否包含特定字符串?例如:
<p id="fred">abcde</p>
'id=fred' contains "bcd" = true)
Run Code Online (Sandbox Code Playgroud) 我有一个方法,并希望用不同的值测试它.我的问题是:如何编写一个JUnit测试,用不同的值测试相同的方法?
我已经弄清楚如何在过滤器中记录请求是ajax请求以及它来自哪个页面.
我真正想做的是记录ajax请求实际上是什么.例如ajax调用的方法的名称(例如,此调用中的"findAddress" <p:ajax process="contactDetails" update="@form" listener="#{aboutYouController.findAddress}" ....):
我怎样才能做到这一点?我的应用程序有很多ajax请求,我想记录哪些是被触发的.
public class TrackingFilter implements Filter {
private static Logger LOG = Logger.getLogger(TrackingFilter.class);
@Override
public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain) throws ServletException, IOException {
HttpServletRequest req = (HttpServletRequest) request;
String pageHit = req.getRequestURI().substring(req.getContextPath().length()+1).replace(".xhtml", "");
if(!pageHit.contains("javax.faces.resource")){ // if is a url we want to log
if ("partial/ajax".equals(req.getHeader("Faces-Request"))) {
LOG.trace("ajax on URI: " + req.getRequestURI());
}
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