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How do I create multiple submit buttons for the same form in Rails?

... Now thats something new. Thanks @Anurag! – Shripad Krishna Jun 12 '10 at 2:38 1 ...
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How do I maintain the Immersive Mode in Dialogs?

... //Update the WindowManager with the new attributes (no nicer way I know of to do this).. WindowManager wm = (WindowManager) getActivity().getSystemService(Context.WINDOW_SERVICE); wm.updateViewLayout(getDialog().getWindow().getDecorView(), getDialog().getWindow().getAt...
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Showing the stack trace from a running Python application

... a process will be running for a long time but gets stuck sometimes for unknown and irreproducible reasons. Its a bit hacky, and only works on unix (requires signals): import code, traceback, signal def debug(sig, frame): """Interrupt running process, and provide a python prompt for inter...
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What is the advantage of using abstract classes instead of traits?

... performance overhead. However, you should make this choice only if you know that the trait in question constitutes a performance bottleneck and have evidence that using a class instead actually solves the problem. If you still do not know, after considering the above, then start by mak...
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How do you test that a Python function throws an exception?

...ust alias that as unittest: import unittest2 as unittest Example tests Now, paste into your Python shell the following test of Python's type-safety: class MyTestCase(unittest.TestCase): def test_1_cannot_add_int_and_str(self): with self.assertRaises(TypeError): 1 + '1' ...
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How to pipe input to a Bash while loop and preserve variables after loop ends

... Pardon my ignorance. I know this is right solution and I've marked it as answer so it worked for me. But now when I run while read i; do echo $i; done < <(cat /etc/passwd); echo $i It did not return last line two times. What I am doing wrong? ...
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How to identify unused css definitions

...used css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit. 10 Answ...
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What is the difference between dict.items() and dict.iteritems() in Python2?

...or backwards compatibility. One of Python 3’s changes is that items() now return iterators, and a list is never fully built. The iteritems() method is also gone, since items() in Python 3 works like viewitems() in Python 2.7. ...
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Passing an Array as Arguments, not an Array, in PHP

...ereferencing the array into the standard func($arg1, $arg2) manner. But now I'm lost on how to do it. I recall the manner of passing by reference, how to "glob" incoming parameters ... but not how to de-list the array into a list of arguments. ...
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Why does JPA have a @Transient annotation?

...isted. Consider this short example: public enum Gender { MALE, FEMALE, UNKNOWN } @Entity public Person { private Gender g; private long id; @Id @GeneratedValue(strategy=GenerationType.AUTO) public long getId() { return id; } public void setId(long id) { this.id = id; } ...