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Check if OneToOneField is None in Django
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Note that in Python < 3.2, hasattr will swallow all exceptions that happen during the database lookup, and not just DoesNotExist. This is probably broken, and not what you want.
– Pi Delport
Mar 2...
Assign output of os.system to a variable and prevent it from being displayed on the screen [duplicat
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From "Equivalent of Bash Backticks in Python", which I asked a long time ago, what you may want to use is popen:
os.popen('cat /etc/services').read()
From the docs for Python 3.6,
This is implemented using subprocess.Popen; see that class’s
documentat...
Tool to generate JSON schema from JSON data [closed]
...www.jsonschema.net (1 input)
https://easy-json-schema.github.io (1 input)
Python:
https://github.com/gonvaled/jskemator (1 input but allows iteration)
https://github.com/perenecabuto/json_schema_generator (1 input)
https://github.com/rnd0101/json_schema_inferencer (1 input I think)
https://pypi.py...
Binary search (bisection) in Python
...be a better deal overall. set() incurs very little additional overhead in python.
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Preferred method to store PHP arrays (json_encode vs serialize)
...f you so wish.
See also http://ilia.ws/files/zendcon_2010_hidden_features.pdf - specifically slides 14/15/16
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Max size of an iOS application
...tion/LanguagesUtilities/Conceptual/iTunesConnect_Guide/iTunesConnect_Guide.pdf
As of July 13, 2012
The above information is still the same with the exception of Over The Air downloads which is now 50MB's. These changes can be found on page 209 of the guide.
As of March 29, 2012 (version 7.4)
The a...
How to create war files
...;nonFilteredFileExtensions>
<nonFilteredFileExtension>pdf</nonFilteredFileExtension>
<nonFilteredFileExtension>png</nonFilteredFileExtension>
<nonFilteredFileExtension>gif</nonFilteredFileExtension>
<nonFiltere...
decorators in the python standard lib (@deprecated specifically)
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Turning the filter on and off may trigger bugs.python.org/issue29672
– gerrit
Jul 7 '17 at 16:13
5
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Getting realtime output using subprocess
... line: break
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does not. Apparently this is a known bug: http://bugs.python.org/issue3907 (The issue is now "Closed" as of Aug 29, 2018)
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Creating a range of dates in Python
...n smoothly span spring/autumn DST shifts.
EDIT by OP:
If you need actual python datetimes, as opposed to Pandas timestamps:
import pandas as pd
from datetime import datetime
pd.date_range(end = datetime.today(), periods = 100).to_pydatetime().tolist()
#OR
pd.date_range(start="2018-09-09",end="...
