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Get JSF managed bean by name in any Servlet related class
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In a servlet based artifact, such as @WebServlet, @WebFilter and @WebListener, you can grab a "plain vanilla" JSF @ManagedBean @RequestScoped by:
Bean bean = (Bean) request.getAttribute("beanName");
and @ManagedBean @SessionScoped by:
Bean bean = (Bean) request.getSession().getAttribu...
Two color borders
...r. Beware, tho', it can interact in a wonky fashion with margins, paddings and drop-shadows. In some browsers you might have to use a browser-specific prefix as well; in order to make sure it picks up on it: -webkit-outline and the like (although WebKit in particular doesn't require this).
This can...
JavaScript chop/slice/trim off last character in string
I have a string, 12345.00 , and I would like it to return 12345.0 .
25 Answers
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Matlab: Running an m-file from command-line
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A command like this runs the m-file successfully:
"C:\<a long path here>\matlab.exe" -nodisplay -nosplash -nodesktop -r "run('C:\<a long path here>\mfile.m'); exit;"
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(How) can I count the items in an enum?
...st it's fairly easy to see that "enum foo {a=10,LAST}" is going to be odd. And I thought "int arr[LAST]" would be 11 items in this case, not 2, so most code will work (but you're wasting memory on invalid index values)
– Code Abominator
Jul 15 '15 at 5:44
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Do I need a content-type header for HTTP GET requests?
...e.
It means that the Content-Type HTTP header should be set only for PUT and POST requests.
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In a django model custom save() method, how should you identify a new object?
...exes on other fields). In that case, you could still have a new record in hand, but be unable to save it.
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Get the Last Inserted Id Using Laravel Eloquent
...ncrement, this will always return 0. In my case the id was a string (UUID) and for this to work I had to add public $incrementing = false; in my model.
– Luís Cruz
Apr 20 '15 at 17:18
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How to document class attributes in Python? [closed]
...lightweight class whose attributes are intended to be publicly accessible, and only sometimes overridden in specific instantiations. There's no provision in the Python language for creating docstrings for class attributes, or any sort of attributes, for that matter. What is the expected and suppor...
Checking if an object is a given type in Swift
I have an array that is made up of AnyObject . I want to iterate over it, and find all elements that are array instances.
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