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Reload django object from database
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As of Django 1.8 refreshing objects is built in. Link to docs.
def test_update_result(self):
obj = MyModel.objects.create(val=1)
MyModel.objects.filter(pk=obj.pk).update(val=F('val') + 1)
# At this point obj.val is still 1, b...
ERROR: Error installing capybara-webkit:
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218
If you are in Ubuntu do
sudo apt-get install qt4-dev-tools libqt4-dev libqt4-core libqt4-gui
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std::function and std::bind: what are they, and when should they be used?
...ithms, but I haven't understood what Stroustrup says about them in the C++11 FAQ .
4 Answers
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How to delete and replace last line in the terminal using bash?
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117
echo a carriage return with \r
seq 1 1000000 | while read i; do echo -en "\r$i"; done
from ...
setup cron tab to specific time of during weekdays
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177
Same as you did for hours:
*/2 09-18 * * 1-5 /path_to_script
0 and 7 stand for Sunday
6 sta...
UICollectionView Set number of columns
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17 Answers
17
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Unable to read data from the transport connection : An existing connection was forcibly closed by th
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21 Answers
21
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YAML mime type?
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edited May 22 '18 at 14:46
Martin Tournoij
22.1k1717 gold badges8585 silver badges116116 bronze badges
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UITableView - change section header color
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31 Answers
31
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Is it worth using Python's re.compile?
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I've had a lot of experience running a compiled regex 1000s of times versus compiling on-the-fly, and have not noticed any perceivable difference. Obviously, this is anecdotal, and certainly not a great argument against compiling, but I've found the difference to be negligible....