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What is the common header format of Python files?

I came across the following header format for Python source files in a document about Python coding guidelines: 4 Answers ...
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Installing specific package versions with pip

I'm trying to install version 1.2.2 of the MySQL_python adaptor, using a fresh virtualenv created with the --no-site-packages option. The current version shown in PyPi is 1.2.3 . Is there a way to install the older version? I found an article stating that this should do it: ...
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What is the difference between old style and new style classes in Python?

What is the difference between old style and new style classes in Python? When should I use one or the other? 8 Answers ...
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pypi UserWarning: Unknown distribution option: 'install_requires'

Does anybody encounter this warning when executing python setup.py install of a PyPI package? 10 Answers ...
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Image library for Python 3

What is python-3 using instead of PIL for manipulating Images? 8 Answers 8 ...
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What does -> mean in Python function definitions?

I've recently noticed something interesting when looking at Python 3.3 grammar specification : 7 Answers ...
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How to turn on line numbers in IDLE?

...wise there are a bunch of other IDEs some of which are free: https://wiki.python.org/moin/IntegratedDevelopmentEnvironments share | improve this answer | follow ...
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地图组件(高德地图) · App Inventor 2 中文网

...器 提供的位置,而不是内置默认位置,以获取用户位置数据。 边界范围 设置或获取地图绘制视图的当前边界。该值是一个列表,包含当前视图的西北和东南坐标,格式为“((西北) (东南))”,比如:((39.92186 116.38419) (39.90645 11...
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What are metaclasses in Python?

In Python, what are metaclasses and what do we use them for? 22 Answers 22 ...
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Validating with an XML schema in Python

...e to validate that my XML file adheres to the schema. How do I do this in Python? 7 Answers ...