taglib

问题 Can I access the expression string of a ValueExpression passed as attribute value to my taglib component? My goal is to programmatically derive missing attribute values from it. In this case I'm trying to avoid having to repeat an attribute as a literal. now: <a:columnText title="name" value="#{entity.name}" sortBy="entity.name" /> desired: <a:columnText title="name" value="#{entity.name}" /> -taglib.xml <tag> <tag-name>columnText</tag-name> <source>column-text.xhtml</source> <attribute>

问题 I've built an application using Rails 3.2 that makes use of the taglib-ruby gem. I need to upload this app to Heroku, but it cannot successfully build the taglib-ruby gem because the associated C++ taglib library needs to be installed on the machine. Gem::Installer::ExtensionBuildError: ERROR: Failed to build gem native extension. /usr/local/bin/ruby extconf.rb checking for main() in -lstdc++... yes checking for main() in -ltag... no You must have taglib installed in order to use taglib-ruby.

问题 I am developing a JSF Custom Component, using the information I found on the following book Pro JSF and HTML5 by Apress. So far, I successfully developed: the java class to obtain the data to be rendered in the component the java component class the java renderer class the taglib file an example page to render the taglib Everything is working fine, the component is successfully rendered. Now I would like to add javascript events and behaviour to the rendered elements , more specifically, the

问题 EDIT: Yes, I have looked at this post. Unfortunately, it looks like the user ends up using MingW in the end. I am on Windows 7 , 64-bit. I downloaded the most recent version of the TagLib code from the SVN repository. I am using revision 1202935 . I am trying to use TagLib in Visual Studio 2010 . I have gotten TagLib to work with QtCreator/MingW, but I want to start learning the Windows API so I am starting from scratch in Visual Studio 2010 (C++ of course). In VS2010, I have build zlib (both

问题 EDIT: Yes, I have looked at this post. Unfortunately, it looks like the user ends up using MingW in the end. I am on Windows 7 , 64-bit. I downloaded the most recent version of the TagLib code from the SVN repository. I am using revision 1202935 . I am trying to use TagLib in Visual Studio 2010 . I have gotten TagLib to work with QtCreator/MingW, but I want to start learning the Windows API so I am starting from scratch in Visual Studio 2010 (C++ of course). In VS2010, I have build zlib (both

问题 How to show error message in liferay portal? I read on liferay.com site that for show error message I can use liferay-ui:error tag from tag library, but it's not working, how to use it? 回答1: You are right in about "liferay-ui:error" tag so on your JSP you will have: <%@ taglib uri="http://liferay.com/tld/ui" prefix="liferay-ui" %> <liferay-ui:error key="some-error" message="Your error message goes here!" /> Then in your Java code you will need either the RenderRequest or ActionRequest

问题 I'm adding a frame that doesnt exist to some of my mp3. Example the rating "POPM" is missing. The problem I have is when I add the frame I cant set the ratings value. I have two save() there that I used one at a time just to see if either one worked. But if I re-run this function and isPOPMExist is now valid I can set the rating. So i'm not sure what step is missing after i set the POPM when isPOPMExist fails bool isPOPMExist = id3v2Tag->frameListMap().contains("POPM"); if(!isPOPMExist) {

问题 I am trying to use Taglib with Qt5.7 . But my programm crashes: The GDB process terminated unexpectedly (exit code 0). Cannot continue debugged process: The program is not being run. During startup program exited with code 0xc0000135 There did not seem to be any error messages while building Taglib. *.pro file QT += core QT -= gui CONFIG += c++11 TARGET = untitled2 CONFIG += console CONFIG -= app_bundle TEMPLATE = app SOURCES += main.cpp TAGLIBDIR = $$quote(D:/D/Programmieren/Libraries/taglib

问题 s:url tags are not being replaced to html code when using a decorator with sitemesh. In the next example will be correctly explained. web.xml: [...] <context-param> <param-name>contextConfigLocation</param-name> <param-value> WEB-INF/security-context.xml WEB-INF/applicationContext.xml </param-value> </context-param> <filter> <filter-name>sitemesh</filter-name> <filter-class>com.opensymphony.sitemesh.webapp.SiteMeshFilter</filter-class> </filter> <filter> <filter-name>springSecurityFilterChain

问题 I have this function in Struts 1: /* * (non-Javadoc) * * @see org.apache.struts.taglib.bean.WriteTag#doStartTag() */ public int doStartTag() throws JspException { Carac carac = (Carac) TagUtils.getInstance().lookup(pageContext, name, property, scope); // Code here return SKIP_BODY; } and I am trying to create the same tag in Struts 2 but don't know what's the purpose of this: TagUtils.getInstance().lookup() 回答1: I found a solution to get my object from the view to the tag in struts 2 : my tag