From JFrame to JPanel in Netbeans

I'm rethinking the design of my GUI. I designed a few JFrame with Netbeans automated GUI (yes, I'm lazy, and this generated code is often awful, I know !), but now I want them to be JPanel (actually, to inherit from another class that inherits JPanel). But I had the "setDefaultCloseOperation" modified, so my code is broken : setDefaultCloseOperation is impossible for a JPanel. Since I can't modify the generated code, I was wondering : is there a way to make Netbeans understand I changed my mind, and regenerate the code ?


When I run into this (I've done the same thing before) I usually end up having to modify the generated code XML file (.form file) or just copying all of the controls I've added and paste into a new JPanel. Just my $0.02 but beware that this can break your code...

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Work-around for a Joda Time bug in PeriodFormat?

java jodatime

Here's my code which reveals a Joda Time bug:

How to store reference to other collection in MongoDb


I need to store reference to other collection and I can't decide if I should store it as a string, or as an ObjectId(). I see it is possible do it in both ways (in mongo shell):

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