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Backing beans (@ManagedBean) or CDI Beans (@Named)?
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CDI is preferred over plain JSF because CDI allows for JavaEE-wide dependency injection. You can also inject POJOs and let them be managed. With JSF you can only inject a subset of what you can with CDI.
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Error inflating when extending a class
...class GhostSurfaceCameraView extends SurfaceView implements SurfaceHolder.Callback {
SurfaceHolder mHolder;
Camera mCamera;
public GhostSurfaceCameraView(Context context)
{
super(context);
init();
}
public GhostSurfaceCameraVie...
How to add a jar in External Libraries in android studio
...pile files('libs/library_name.jar') in build.gradle [You don't have to manually enter this in your build file].
Now you can start using the library in your project.
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Why do std::shared_ptr work
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The trick is that std::shared_ptr performs type erasure. Basically, when a new shared_ptr is created it will store internally a deleter function (which can be given as argument to the constructor but if not present defaults to calling delete). When the shared_ptr is destroyed, it calls ...
Removing carriage return and new-line from the end of a string in c#
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Just out of interest, all you really need is s = s.TrimEnd() - as the docs say: If trimChars is null or an empty array, Unicode white-space characters are removed instead. - see String.TrimEnd
– Stuart Wood
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In jQuery, how do I select an element by its name attribute?
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This should do it, all of this is in the documentation, which has a very similar example to this:
$("input[type='radio'][name='theme']").click(function() {
var value = $(this).val();
});
I should also note you have multiple identical IDs...
Npm Please try using this command again as root/administrator
I've been desperately trying to install modules using node.js but it always fails getting packages with npm.
32 Answers
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Lambda expression vs method reference [closed]
...ded this feature to the language, when clearly we didn't strictly need to (all methods refs can be expressed as lambdas.)
Note that there is no right answer. Anyone who says "always use a method ref instead of a lambda" or "always use a lambda instead of a method ref" should be ignored.
This qu...
How do I check if a Sql server string is null or empty
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@irfandar - Well, if you want to treat a string with all spaces as empty, go ahead use trim. Otherwise a string with all spaces is not empty.
– Martin Ba
Sep 2 '13 at 12:13
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Check if inputs are empty using jQuery
I have a form that I would like all fields to be filled in. If a field is clicked into and then not filled out, I would like to display a red background.
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