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Parsing JSON with Unix tools
...as well:
Python 3:
curl -s 'https://api.github.com/users/lambda' | \
python3 -c "import sys, json; print(json.load(sys.stdin)['name'])"
Python 2:
export PYTHONIOENCODING=utf8
curl -s 'https://api.github.com/users/lambda' | \
python2 -c "import sys, json; print json.load(sys.stdin)['name...
Why doesn't requests.get() return? What is the default timeout that requests.get() uses?
... '<your url>' command. For python, strace -ff -e network -s 10000 -- python3 <your python script> command can be used.
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How can I extract the folder path from file path in Python?
...hould consider using pathlib for new development. It is in the stdlib for Python3.4, but available on PyPI for earlier versions. This library provides a more object-orented method to manipulate paths <opinion> and is much easier read and program with </opinion>.
>>> import pa...
Install specific git commit with pip
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For me (pip 9.0.1 in python3.5 virtualenv ) it didn't work : pip install -r requirements.txt raised 'Could not detect requirement name, please specify one with #egg='. But it worked with the format '-e git+github.com/owner/repository.git#egg=bran...
Python TypeError: not enough arguments for format string
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For python3 this "solution" is wrong -> Invalid syntax
– JonyD
Jun 17 '19 at 16:44
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How to remove a key from a Python dictionary?
...])
[1, 3, None] # pop returns
>>> myDict
{'b': 2, 'd': 4}
or in python3, you must use a list comprehension instead:
[myDict.pop(x, None) for x in ['a', 'c', 'e']]
It works. And 'e' did not cause an error, even though myDict did not have an 'e' key.
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Plot a bar using matplotlib using a dictionary
... penultimate line should read plt.xticks(range(len(D)), list(D.keys())) in python3, because D.keys() returns a generator, which matplotlib cannot use directly.
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what is the difference between 'transform' and 'fit_transform' in sklearn
...ea2aff> in <module>()
----> 1 pc2.transform(X)
/usr/local/lib/python3.4/dist-packages/sklearn/decomposition/pca.py in transform(self, X, y)
714 # XXX remove scipy.sparse support here in 0.16
715 X = atleast2d_or_csr(X)
--> 716 if self.mean_ is not None...
UnicodeEncodeError: 'charmap' codec can't encode - character maps to , print function [du
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@MartijnPieters if you click the link then you see Python3.6 recommendation.
– jfs
Jan 13 '17 at 17:52
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How to install packages offline?
...on 3. you can create python 3 virtualenv with this command.
virtualenv -p python3 envname
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