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How to find out client ID of component for ajax update/render? Cannot find component with expression
...er, do a rightclick and View Source. Locate the HTML representation of the JSF component of interest and take its id as client ID. You can use it in an absolute or relative way depending on the current naming container. See following chapter.
Note: if it happens to contain iteration index like :0:,...
How to reference constants in EL?
...hat this facility is only available in JSP and not in Facelets. In case of JSF+Facelets, your best bet is using OmniFaces <o:importConstants> as below:
<o:importConstants type="com.example.YourConstants" />
Or adding an EL context listener which calls ImportHandler#importClass() as be...
How to sort two lists (which reference each other) in the exact same way
...ip(*tups)
100 loops, best of 3: 8.51 ms per loop
As Quantum7 points out, JSF's suggestion is a bit faster still, but it will probably only ever be a little bit faster, because Python uses the very same DSU idiom internally for all key-based sorts. It's just happening a little closer to the bare me...
When to use f:viewAction / preRenderView versus PostConstruct?
.... Namely, they are not available at the moment the @PostConstruct runs. In JSF 2.0/2.1, this tag didn't exist and you have to use the preRenderView workaround.
If the backing bean is @RequestScoped, do they effectively do the exact same thing? (and so then it is up to developer choice? (@PostConstr...
Examples of GoF Design Patterns in Java's core libraries
...hus)
javax.faces.component.UIComponent#getChildren() (practically all over JSF UI thus)
Decorator (recognizeable by creational methods taking an instance of same abstract/interface type which adds additional behaviour)
All subclasses of java.io.InputStream, OutputStream, Reader and Writer have a c...
What is the difference between Tomcat, JBoss and Glassfish?
...at is now Java EE 6 Web Profile certified via TomEE and supports EJB, CDI, JSF, JPA, and more.
– David Blevins
Jul 24 '12 at 17:35
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When to use valueChangeListener or f:ajax listener?
...he subsequent UPDATE_MODEL_VALUES phase. That's exactly why you see in old JSF 1.x applications/tutorials/resources that a valueChangeListener is in such construct been used in combination with immediate="true" and FacesContext#renderResponse() to prevent that from happening. After all, using the va...
What exactly is a Context in Java? [duplicate]
...u see this name back in an interface/class, e.g. Servlet's ServletContext, JSF's FacesContext, Spring's ApplicationContext, Android's Context, JNDI's InitialContext, etc. They all often follow the Facade Pattern which abstracts the environmental details the enduser doesn't need to know about away in...
Why would I use a templating engine? jsp include and jstl vs tiles, freemarker, velocity, sitemesh
... JSP compiler. This means that one of the most annoying things I had with JSF 1.1 - having to change the id-attribute on a surrounding JSF-tag when saving a change in order for the runtime engine to discover the change - went away, giving the save-in-editor, reload-in-browser cycle back, along with...
What are the recommendations for html tag?
...HP, ${pageContext.request.requestURI} in JSP, and #{request.requestURI} in JSF. Noted should be that MVC frameworks like JSF have tags reducing all this boilerplate and removing the need for <base>. See also a.o. What URL to use to link / navigate to other JSF pages.
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