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How to use PrimeFaces p:fileUpload? Listener method is never invoked or UploadedFile is null / throw
...on is identical to the 5.x version info below, but if your listener is not called, check if the attriubute is called listener and not (like with pre 8.x versions) fileUploadListener
PrimeFaces 5.x
This does not require any additional configuration if you're using JSF 2.2 and your faces-config.xml ...
Why doesn't height: 100% work to expand divs to the screen height?
...ren't using flexbox to create my layout. :/
– Landon Call
Apr 20 '17 at 23:12
2
Don't forget to s...
What is a serialVersionUID and why should I use it?
...lization runtime associates with each serializable class a version number, called a serialVersionUID, which is used during deserialization to verify that the sender and receiver of a serialized object have loaded classes for that object that are compatible with respect to serialization. If the recei...
Why would you use an ivar?
...ons. If you stick with accessors for codependent data, your locks must typically be reentrant and you will often end up making many more acquisitions (significantly more at times).
Program Correctness
Since the subclasses can override any method, you may eventually see there is a semantic difference...
jQuery callback for multiple ajax calls
I want to make three ajax calls in a click event. Each ajax call does a distinct operation and returns back data that is needed for a final callback. The calls themselves are not dependent on one another, they can all go at the same time, however I would like to have a final callback when all three ...
What are Maven goals and phases and what is their difference?
...including the given)" instead of "runs" or "executes" (the latter as it is called in Maven's Introduction to the Build Lifecycle). Such distincting it clearer from the goal's code which is really executed. But that might be personal taste.
– Gerold Broser
Jun 2...
Converting HTML string into DOM elements? [duplicate]
... so browsers like IE that do not support DOMParser, I use synchronous AJAX calls with data URIs to parse the XML. :)
– Tower
Jun 23 '10 at 18:08
8
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Android Quick Actions UI Pattern
I'm interested in incorporating the Android UI pattern called "Quick Action". Basically, it's a context menu that doesn't cover up the data that is being acted on. I'd like to implement this but I cannot find some sample code or an API to help me out.
...
How do I embed a single file from a GitHub gist with the new gist interface?
...ask of debugging the CSS. So I ended up doing it with jQuery, and an ajax call to api.github.com. I then added an external highlight function. Here's a gist showing how to embed a gist: gist.github.com/DinoChiesa/5624844
– Cheeso
May 22 '13 at 2:25
...
postgresql return 0 if returned value is null
...in the table be counted as 0? Then coalesce has to be used inside the avg call.
$ select coalesce(avg(coalesce(bar, 0)), 0) from foo;
coalesce
--------------------
4.0000000000000000
(1 row)
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