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Unique fields that allow nulls in Django
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** edit 11/30/2015: In python 3, the module-global __metaclass__ variable is no longer supported.
Additionaly, as of Django 1.10 the SubfieldBase class was deprecated:
from the docs:
django.db.models.fields.subclassing.SubfieldBase has be...
Is it pythonic to import inside functions?
...rt doesn't bring in code, but brings in complex
data structures written in Python. It's kind of like a pickled piece of data
except we pickled it by hand.
This is also, more-or-less, at the top of a module
Here's what we do to make the code clearer:
Keep the modules short.
If I have all my i...
List of tuples to dictionary
Here's how I'm currently converting a list of tuples to dictionary in Python:
4 Answers
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What is the difference/usage of homebrew, macports or other package installation tools? [closed]
... php55 php56 none
postgresql postgresql94 postgresql93 postgresql94 none
python none python24 python25-apple python26-apple python27 python27-apple none
If you have both PHP55 and PHP56 installed (with many different extensions), you can swap between them with just one command. All...
Generating an MD5 checksum of a file
...imple way of generating (and checking) MD5 checksums of a list of files in Python? (I have a small program I'm working on, and I'd like to confirm the checksums of the files).
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How to output loop.counter in python jinja template?
...2fstackoverflow.com%2fquestions%2f12145434%2fhow-to-output-loop-counter-in-python-jinja-template%23new-answer', 'question_page');
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Run certain code every n seconds [duplicate]
..., World!"
printit()
# continue with the rest of your code
https://docs.python.org/3/library/threading.html#timer-objects
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how to check the dtype of a column in python pandas
...should not be used at all. Because in fact this approach is discouraged in python as mentioned several times here.
But if one still want to use it - should be aware of some pandas-specific dtypes like pd.CategoricalDType, pd.PeriodDtype, or pd.IntervalDtype. Here one have to use extra type( ) in ord...
python pandas: Remove duplicates by columns A, keeping the row with the highest value in column B
I have a dataframe with repeat values in column A. I want to drop duplicates, keeping the row with the highest value in column B.
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How can I disable logging while running unit tests in Python Django?
...Are you setting TEST_RUNNER to a string path to the runner (not the actual Python module)? Also, where is your runner located? I have mine in a separate app named helpers, which only has utils that don't import from anywhere else within the project.
– alukach
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