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In a django model custom save() method, how should you identify a new object?
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edited Jan 13 at 17:49
answered May 25 '09 at 18:49
D...
Enter triggers button click
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76484
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answered Oct 16 '12 at 12:27
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how perform grep operation on all files in a directory
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answered Feb 4 '15 at 19:19
RobRob
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Have a reloadData for a UITableView animate when changing
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402
Actually, it's very simple:
[_tableView reloadSections:[NSIndexSet indexSetWithIndex:0] withR...
What's the difference between %s and %d in Python string formatting?
...are passed in via a tuple using the % operator.
name = 'marcog'
number = 42
print '%s %d' % (name, number)
will print marcog 42. Note that name is a string (%s) and number is an integer (%d for decimal).
See https://docs.python.org/3/library/stdtypes.html#printf-style-string-formatting for deta...
AngularJS $http and $resource
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edited Feb 14 '14 at 15:08
Liam
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HTTP POST using JSON in Java
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edited Sep 4 at 1:56
ℛɑƒæĿᴿᴹᴿ
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Generic TryParse
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meJustAndrew
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answered Jun 2 '10 at 21:23
lukeluke
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How to set background color of HTML element using css properties in JavaScript
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edited Sep 4 '19 at 18:44
Rafat Rashid
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What is “2's Complement”?
...th 1111 - that's the "complement" part).
Let's try it with a mini-byte of 4 bits (we'll call it a nibble - 1/2 a byte).
0000 - zero
0001 - one
0010 - two
0011 - three
0100 to 0111 - four to seven
That's as far as we can go in positives. 23-1 = 7.
For negatives:
1111 - negative one
1110 - negativ...