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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...
TaifunPlayer 扩展（Audio Player）：音频播放器扩展，支持流媒体播放控制 ...
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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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Secure random token in Node.js
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@Triforcey can you explain why you usually would want the async option?
– thomas
Jul 16 '19 at 5:17
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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...
Teachable Machine 图像分类扩展 · App Inventor 2 中文网
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Can I get JSON to load into an OrderedDict?
...
Simple version for Python 2.7+
my_ordered_dict = json.loads(json_str, object_pairs_hook=collections.OrderedDict)
Or for Python 2.4 to 2.6
import simplejson as json
import ordereddict
my_ordered_dict = json.loads(json_str, object_pairs_hook=ordere...