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How to reference constants in EL?
...e.YourConstants" %>
This will under the covers be imported via ImportHandler#importClass() and be available as ${YourConstants.FOO}.
Note that all java.lang.* classes are already implicitly imported and available like so ${Boolean.TRUE} and ${Integer.MAX_VALUE}. This only requires a more recen...
Dealing with “Xerces hell” in Java/Maven?
... users are "touched" by this problem at some point. Unfortunately, understanding the problem requires a bit of knowledge about the history of Xerces...
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app-release-unsigned.apk is not signed
I downloaded the zip file of an Android app on github and I'm trying to run it, but I get a dialog with this message
17 Ans...
Xcode - How to fix 'NSUnknownKeyException', reason: … this class is not key value coding-compliant f
...n once off practice apps. Naming collisions can be very hard to track down and you don't want to waste the time.
Another possible reason for this error: when copying & pasting elements from one controller into another, Xcode somehow keeps that link to the original controller, even after editin...
Entity Framework: “Store update, insert, or delete statement affected an unexpected number of rows (
... telling you is that between when you grabbed the data out of the database and when you saved your changes someone else has changed the data (Which meant when you went to save it 0 rows actually got updated). In SQL terms, their update query's where clause contains the original value of every field ...
Django gives Bad Request (400) when DEBUG = False
... I change DEBUG to False in the settings file, then the server stopped and it gives the following error on the command prompt:
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How do I measure time elapsed in Java? [duplicate]
...answers posted so far are quite right.
If you are measuring elapsed time, and you want it to be correct, you must use System.nanoTime(). You cannot use System.currentTimeMillis(), unless you don't mind your result being wrong.
The purpose of nanoTime is to measure elapsed time, and the purpose of...
ASP.NET: Session.SessionID changes between requests
...r implement the Session_Start method in the application's Global.asax file and store data in the Session object to fix the session ID, or you can use code in another part of your application to explicitly store data in the Session object.
http://msdn.microsoft.com/en-us/library/system.web.sessions...
Change type of varchar field to integer: “cannot be cast automatically to type integer”
I have a small table and a certain field contains the type " character varying ". I'm trying to change it to " Integer " but it gives an error that casting is not possible.
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Why does DEBUG=False setting make my django Static Files Access fail?
...trouble started sneaking in the moment I wanted to render my own beautiful and custom 404.html and 500.html pages.
14 Answe...