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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...
How do I get Pyflakes to ignore a statement?
...deal with this, a workaround involves installing/using the package at pypi.python.org/pypi/flake8-respect-noqa
– Mark
Jan 18 '16 at 0:15
8
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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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Name
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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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HAproxy - Web负载均衡解决方案 - 更多技术 - 清泛网 - 专注C/C++及内核技术
...站）
https://www.haproxy.org/download/1.8/src/haproxy-1.8.14.tar.gz （下载地址）
http://cbonte.github.io/haproxy-dconv/1.8/configuration.html （文档Haproxy 1.8 文档）
HAProxy提供高可用性、负载均衡以及基于TCP和HTTP应用的代理，支持虚拟主机，它是免费、...
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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range() for floats
Is there a range() equivalent for floats in Python?
21 Answers
21
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