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Counting the number of True Booleans in a Python List
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215
True is equal to 1.
>>> sum([True, True, False, False, False, True])
3
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Bower and devDependencies vs dependencies
I ran 'yo angular' and realized afterwards that it installs 1.0.8, I uninstalled the angular components, however the original bower.json file had angular-mocks and angular-scenario under 'devDependencies' when I re-add all the 1.2.0-rc.2 components angular-mocks and angular-scenario under dependenci...
svn: replace trunk with branch
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118
Use svn move to move the contents of the old trunk somewhere else and rename the branch to tru...
UICollectionView Set number of columns
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17 Answers
17
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Secondary axis with twinx(): how to add to legend?
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391
You can easily add a second legend by adding the line:
ax2.legend(loc=0)
You'll get this:
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jQuery event to trigger action when a div is made visible
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192
You could always add to the original .show() method so you don't have to trigger events every ...
SQL Server: Get data for only the past year
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12 Answers
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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....
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...
