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Recursive directory listing in DOS
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You sir, are seriously awesome! It worked like a charm! I used it at work (where we are forced to have windows machines) with gVIM! Really, really good! You saved me hours of headache!
– Walialu
Nov 27 '13 at 14:23...
How to create a GUID/UUID in Python
... I create a GUID in Python that is platform independent? I hear there is a method using ActivePython on Windows but it's Windows only because it uses COM. Is there a method using plain Python?
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PostgreSQL: Modify OWNER on all tables simultaneously in PostgreSQL
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See REASSIGN OWNED command
Note: As @trygvis mentions in the answer below, the REASSIGN OWNED command is available since at least version 8.2, and is a much easier method.
Since you're changing the ownership for all tables, you likely want views and sequences too. H...
Length of an integer in Python
.... I did a factorial of a random 6 digit number, and found its length. This method took 95.891 seconds. And Math.log10 method took only 7.486343383789062e-05 seconds, approximately 1501388 times faster!
– FadedCoder
Mar 19 '17 at 16:30
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Any way to properly pretty-print ordered dictionaries?
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As a temporary workaround you can try dumping in JSON format.
You lose some type information, but it looks nice and keeps the order.
import json
pprint(data, indent=4)
# ^ugly
print(json.dumps(data, indent=4))
# ^nice
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JQuery find first parent element with specific class prefix
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To OP: Make sure the element you're looking for is a parent somewhere up the DOM tree and not a sibling or similar to the object you are looking for (per the documentation). It's not "closest anywhere in the document" but "closest by working up the ...
What are all the uses of an underscore in Scala?
...veys taken on scala-lang.org and noticed a curious question: " Can you name all the uses of “_”? ". Can you? If yes, please do so here. Explanatory examples are appreciated.
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How to use subprocess popen Python
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subprocess.Popen takes a list of arguments:
from subprocess import Popen, PIPE
process = Popen(['swfdump', '/tmp/filename.swf', '-d'], stdout=PIPE, stderr=PIPE)
stdout, stderr = process.communicate()
There's even a section of the documentation devoted to hel...
sqlalchemy IS NOT NULL select
...is None, produces a IS NOT NULL.
or use isnot() (new in 0.7.9):
Implement the IS NOT operator.
Normally, IS NOT is generated automatically when comparing to a value of None, which resolves to NULL. However, explicit usage of IS NOT may be desirable if comparing to boolean values on certai...
Python: Convert timedelta to int in a dataframe
I would like to create a column in a pandas data frame that is an integer representation of the number of days in a timedelta column. Is it possible to use 'datetime.days' or do I need to do something more manual?
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