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django.core.exceptions.ImproperlyConfigured: Error loading MySQLdb module: No module named MySQLdb
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This in python3 not works. requires ConfigParser which is not available in python3
– gogagubi
Sep 27 '19 at 14:56
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How do I use floating-point division in bash?
...ctave
perl
echo print 1/3 | perl
python2
echo print 1/3. | python2
python3
echo 'print(1/3)' | python3
R
echo 1/3 | R --no-save
with cleaned up output:
echo 1/3 | R --vanilla --quiet | sed -n '2s/.* //p'
ruby
echo print 1/3.0 | ruby
wcalc
echo 1/3 | wcalc
With cleaned up outpu...
Convert base-2 binary number string to int
...t;> int('11111111', 2)
255
Here is documentation for python2, and for python3.
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How to install python modules without root access?
...n other packages to my home folder
Asked admin to install Ubuntu package python3-setuptools
Installed pip
Like this:
easy_install3 --prefix=$HOME/.local pip
mkdir -p $HOME/.local/lib/python3.2/site-packages
easy_install3 --prefix=$HOME/.local pip
Add Pip (and other Python apps to path)
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How can I multiply all items in a list together with Python?
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Note that in python3, the reduce() function has been removed from the global namespace and placed in the functools module. So in python3 you need to say from functools import reduce.
– Eugene Yarmash
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can we use xpath with BeautifulSoup?
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Yeah, that may be the case that I used Python3 when writing that and it didn't work as expected. Just tested and yours works with Python2, but Python3 is much preferred as 2 is being sunset (no longer officially supported) in 2020.
– wordsfo...
Disable output buffering
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In Python3 you can just override the name of the print function with a flushing one. Its a dirty trick though!
– meawoppl
Jan 22 '14 at 18:50
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Checking a Python module version at runtime
...o not provide __version__ the following is ugly but works:
#!/usr/bin/env python3.6
import sys
import os
import subprocess
import re
sp = subprocess.run(["pip3", "show", "numpy"], stdout=subprocess.PIPE)
ver = sp.stdout.decode('utf-8').strip().split('\n')[1]
res = re.search('^Version:\ (.*)$', ver...
Removing a list of characters in string
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why python3:TypeError: translate() takes exactly one argument (2 given)
– Gank
Sep 19 '15 at 10:27
2
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Fatal error in launcher: Unable to create process using “”C:\Program Files (x86)\Python33\python.exe
...ath to Python with quotes and spaces like this:
#!"C:\Program Files (x86)\Python33\python.exe"
to an escaped path without spaces and quotes and pad with spaces (dots at the end should be spaces):
#!C:\Progra~2\Python33\python.exe.............
For "C:\Program Files", this path would probably be...