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How to run a background task in a servlet based web application?
... This is recipe for trouble. An elaborate explanation can be found in this JSF-related answer on the same question: Spawning threads in a JSF managed bean for scheduled tasks using a timer.
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What exactly is Java EE?
... Java EE. E.g. "Spring" (standalone) competes EJB/JTA, Spring MVC competes JSF/JAX-RS, Spring DI/IoC/AOP competes CDI, Spring Security competes JAAS/JASPIC, etc.
Back during the old J2EE/EJB2 times, the EJB2 API was terrible to implement and maintain. Spring was then a much better alternative to EJB...
Where to use EJB 3.1 and CDI?
...oped, per HTTP Session @SessionScoped, per application @ApplicationScoped, JSF Conversation @ConversationScoped, or per your custom scope implementation).
In EJB the container looks also into a hashmap if the bean is of type @Stateful. An @Stateful bean can also use any of the above scope annotati...
How do servlets work? Instantiation, sessions, shared variables and multithreading
...object itself represents the "scope" in bean management frameworks such as JSF, CDI, Spring, etc. Those frameworks store their scoped beans as an attribute of its closest matching scope.
Thread Safety
That said, your major concern is possibly thread safety. You should now know that servlets and f...
Eclipse comment/uncomment shortcut?
... solutions for comment/uncomment shortcut on both Java class editor and jsf faceted webapp XHTML file editor :
17 Answe...
Evaluate empty or null JSTL c tags
...ject from JSTL), check here.
See also:
How does EL empty operator work in JSF?
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How to combine paths in Java?
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If youre working with something like JSF, youre definitly want to keep it String-based as all the Paths you 'll get will be String-based.
– DanielK
Jul 14 '15 at 14:25
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jQuery Selector: Id Ends With?
...es not $("[id$='inpTest']"). Is it because colon is not allowed in ID (but JSF adds it!)?
– Panu Haaramo
Apr 26 '14 at 10:16
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How to make HTML Text unselectable [duplicate]
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You can't do this with plain vanilla HTML, so JSF can't do much for you here as well.
If you're targeting decent browsers only, then just make use of CSS3:
.unselectable {
-webkit-touch-callout: none;
-webkit-user-select: none;
-khtml-user-select: none;
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What is Java EE? [duplicate]
...), Validation (Bean Validation) easy persistence (JPA) MVC web frameworks (JSF, MVC) and a coherent extendible bean model (CDI).
– dexter meyers
Jan 11 '16 at 13:44
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