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Join a list of items with different types as string in Python
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answered Aug 28 '10 at 9:09
Mark ByersMark Byers
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Are there any SHA-256 javascript implementations that are generally considered trustworthy?
...ylerltylerl
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31
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Nested defaultdict of defaultdict
...dd()
>>> x['a']['b']['c']['d']
defaultdict(<function rec_dd at 0x7f0dcef81500>, {})
>>> print json.dumps(x)
{"a": {"b": {"c": {"d": {}}}}}
Of course you could also do this with a lambda, but I find lambdas to be less readable. In any case it would look like this:
rec_dd =...
kill -3 to get java thread dump
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Joshua McKinnonJoshua McKinnon
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Java / Android - How to print out a full stack trace?
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answered Oct 20 '11 at 19:40
Philipp ReichartPhilipp Reichart
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How to prune local tracking branches that do not exist on remote anymore
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+50
After pruning, you can get the list of remote branches with git branch -r. The list of branches with their remote tracking branch can...
Create a CSS rule / class with jQuery at runtime
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270
You can create style element and insert it into DOM
$("<style type='text/css'> .redbold{ ...
Age from birthdate in python
...can be done much simpler considering that int(True) is 1 and int(False) is 0:
from datetime import date
def calculate_age(born):
today = date.today()
return today.year - born.year - ((today.month, today.day) < (born.month, born.day))
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Rename a dictionary key
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answered May 10 '13 at 4:58
wimwim
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