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Change default global installation directory for node.js modules in Windows?
... ivoszzivoszz
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33
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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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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 =...
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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Fastest check if row exists in PostgreSQL
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answered May 9 '13 at 17:30
StartupGuyStartupGuy
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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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Print multiple arguments in Python
...rdering or printing the same one multiple times):
print("Total score for {0} is {1}".format(name, score))
Use new-style string formatting with explicit names:
print("Total score for {n} is {s}".format(n=name, s=score))
Concatenate strings:
print("Total score for " + str(name) + " is " + str(sco...
Create directories using make file
...vasive.
– mtalexan
Dec 30 '13 at 18:27
1
Instead of directly calling mkdir, I did the following t...
Cannot use identity column key generation with ( TABLE_PER_CLASS )
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edited Mar 20 '14 at 13:13
Bart
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an...