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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...
婚庆O2O：领跑的企业也就只走到B轮 - 资讯 - 清泛网 - 专注C/C++及内核技术
...么，仍是一头雾水。新人登录各种五花八门的网站平台，下载各种app，看到的仍旧是眼花缭乱的各种优惠促销的商家，酒店、婚礼策划、婚纱摄影、婚品等。
而且，但凡一个新模式出来了，立马就会有人跟在后面去复制，美名...
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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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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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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How to install packages offline?
...on 3. you can create python 3 virtualenv with this command.
virtualenv -p python3 envname
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Counting the Number of keywords in a dictionary in python
...Some modifications were made on posted answer UnderWaterKremlin to make it python3 proof. A surprising result below as answer.
System specs:
python =3.7.4,
conda = 4.8.0
3.6Ghz, 8 core, 16gb.
import timeit
d = {x: x**2 for x in range(1000)}
#print (d)
print (len(d))
# 1000
print (len(d.keys()...
Sending HTML email using Python
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for python3, improve @taltman 's answer:
use email.message.EmailMessage instead of email.message.Message to construct email.
use email.set_content func, assign subtype='html' argument. instead of low level func set_payload and ...