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Python: avoid new line with print command [duplicate]
...thon 3? I'm asking, because print will require parens, and with parens and 2.7, this won't work.
– octopusgrabbus
Jun 29 '12 at 17:13
46
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How can I create a directly-executable cross-platform GUI app using Python?
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It supports Python 2.7 and Python 3.3, 3.4 and 3.5 now.
– Katu
Mar 5 '16 at 19:13
4
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Store output of subprocess.Popen call in a string
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In Python 2.7 or Python 3
Instead of making a Popen object directly, you can use the subprocess.check_output() function to store output of a command in a string:
from subprocess import check_output
out = check_output(["ntpq", "-p"])
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How can I create an object and add attributes to it?
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If you need something that works with Python 2.7, you can also try the argparse.Namespace class
– RolKau
Aug 26 '16 at 20:09
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Javascript roundoff number to nearest 0.5
... var inv = 1.0 / step;
return Math.round(value * inv) / inv;
}
round(2.74, 0.1) = 2.7
round(2.74, 0.25) = 2.75
round(2.74, 0.5) = 2.5
round(2.74, 1.0) = 3.0
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Running shell command and capturing the output
..._output function works on almost all versions of Python still in wide use (2.7+).2 But for more recent versions, it is no longer the recommended approach.
Modern versions of Python (3.5 or higher): run
If you're using Python 3.5 or higher, and do not need backwards compatibility, the new run funct...
Why use argparse rather than optparse?
I noticed that the Python 2.7 documentation includes yet another command-line parsing module. In addition to getopt and optparse we now have argparse .
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Installing SciPy with pip
...robustness. This still works for me 2 years later on OSX 10.8.2 and python 2.7. The standard pip install scipy fails during fortan compile (even after successful brew install gfortran and pip install numpy). The svn install obviates @lokalhort's github repo install with python3 or @elaichi's depende...
No module named _sqlite3
...ipulate with binary files and environment. In my case I had already Python 2.7 built from source, so, to minify compilation I've executed apt-get install libsqlite3-dev; ./configure; make libinstall; make sharedinstall;
– oxfn
Sep 10 '13 at 14:...
Dealing with multiple Python versions and PIP?
...ion}:
$ pip-2.5 install myfoopackage
$ pip-2.6 install otherpackage
$ pip-2.7 install mybarpackage
EDIT: pip changed its schema to use pipVERSION instead of pip-VERSION in version 1.5. You should use the following if you have pip >= 1.5:
$ pip2.6 install otherpackage
$ pip2.7 install mybarp...