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MediaHelper 媒体助手扩展：从媒体文件提取元数据和专辑封面 · App Inventor 2 中文网
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Broken references in Virtualenvs
...r-x 1 ryan staff 78 Jun 25 13:21 .Python -> /usr/local/Cellar/python/2.7.7/Frameworks/Python.framework/Versions/2.7/Python
...
When you upgrade Python using Homebrew and then run brew cleanup, the symlinks in the virtualenv point to paths that no longer exist (because Homebrew deleted them)....
lua和c/c++互相调用实例分析 - C/C++ - 清泛网 - 专注C/C++及内核技术
...巧精悍的脚本语言，易于嵌入c c++中 ， 广泛应用于游戏AI ，实际上在任何经常变化的逻辑上都可以使用lua实现，配合c c++实现的...lua作为小巧精悍的脚本语言，易于嵌入c/c++中 ， 广泛应用于游戏AI ，实际上在任何经常变化的逻...
How to index into a dictionary?
...nce.)
If you do care about the order of the entries, starting with Python 2.7 you can use collections.OrderedDict. Or use a list of pairs
l = [("blue", "5"), ("red", "6"), ("yellow", "8")]
if you don't need access by key. (Why are your numbers strings by the way?)
In Python 3.7, normal dictio...
Serializing class instance to JSON
...on.dumps(obj, default=lambda x: x.__dict__)
Explanation:
Form the docs (2.7, 3.6):
``default(obj)`` is a function that should return a serializable version
of obj or raise TypeError. The default simply raises TypeError.
(Works on Python 2.7 and Python 3.x)
Note: In this case you need instance...
ImageView 扩展：图片查看器扩展，支持缩放、双击缩放和动画缩放 · App In...
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How do I detect the Python version at runtime? [duplicate]
...r. sys.version_info[1] would give you the minor version number.
In Python 2.7 and later, the components of sys.version_info can also be accessed by name, so the major version number is sys.version_info.major.
See also How can I check for Python version in a program that uses new language features?...
Mapping over values in a python dictionary
...:
my_dictionary = {k: f(v) for k, v in my_dictionary.items()}
In python 2.7, use the .iteritems() method instead of .items() to save memory. The dict comprehension syntax wasn't introduced until python 2.7.
Note that there is no such method on lists either; you'd have to use a list comprehension...
log messages appearing twice with Python Logging
...
I used logger.handlers.pop() in python 2.7, does the trick
– radtek
Nov 25 '15 at 22:05
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pip broke. how to fix DistributionNotFound error?
...virtualenv mentioned in the error message looked like this:
#!/opt/python/2.7.5/bin/python2.7
# EASY-INSTALL-ENTRY-SCRIPT: 'virtualenv==1.10','console_scripts','virtualenv'
__requires__ = 'virtualenv==1.10'
import sys
from pkg_resources import load_entry_point
if __name__ == '__main__':
sys.ex...