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Find the extension of a filename in Ruby

I'm working on the file upload portion of a Rails app. Different types of files are handled differently by the app. 4 Answ...
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Difference of Maven JAXB plugins

...velopment is active. Finally, I'm one of the authors :) and I'd say we keep in touch with JAXB developers and users and react to the latests features/requests. And indeed, the plugin #2 isn't very active (dead?). And because I've always been happy with #1, I've never used plugin #3 so can'...
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How to mock an import

...le A includes import B at its top. However under test conditions I'd like to mock B in A (mock A.B ) and completely refrain from importing B . ...
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When to use ' (or quote) in Lisp?

After making it through the major parts of an introductory Lisp book, I still couldn't understand what the special operator (quote) (or equivalent ' ) function does, yet this has been all over Lisp code that I've seen. ...
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Unable to Cast from Parent Class to Child Class

...tException. The child class only has one property of type int. Does anyone know what I need to do? 12 Answers ...
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Check to see if python script is running

I have a python daemon running as a part of my web app/ How can I quickly check (using python) if my daemon is running and, if not, launch it? ...
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CSS word-wrapping in div

...h a width of 250px. When the innertext is wider than that i want it to break down. The div is float: left and now has an overflow. I want the scrollbar to go away by using word-wrapping. How can i achieve this? ...
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What's the use of ob_start() in php?

...ring so that the headers are buffered and not sent to the browser? Am I making sense here? If not then why should we use ob_start() ? ...
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How to swap files between windows in VIM?

When I work with VIM, I always have multiple windows visible. Sometimes I would like to have an easy way, to swap those windows in places. Is there any Plugin, Macro, etc to make this more easy? BTW, I use MiniBufExplorer. ...
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convert String to DateTime

... answered Feb 4 '10 at 15:28 Kaleb BraseeKaleb Brasee 47.4k88 gold badges101101 silver badges110110 bronze badges ...