大约有 47,000 项符合查询结果(耗时:0.0647秒) [XML]
How do I create multiple submit buttons for the same form in Rails?
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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...
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...
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...
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
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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 $i It did not return last line two times. What I am doing wrong?
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How to identify unused css definitions
...used css definitions in a project? A bunch of css files were pulled in and now I'm trying to clean things up a bit.
10 Answ...
What is the difference between dict.items() and dict.iteritems() in Python2?
...or backwards compatibility.
One of Python 3’s changes is that items() now return iterators, and a list is never fully built. The iteritems() method is also gone, since items() in Python 3 works like viewitems() in Python 2.7.
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Passing an Array as Arguments, not an Array, in PHP
...ereferencing the array into the standard func($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; }
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