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Is it possible to modify variable in python that is in outer, but not global, scope?
...ep 17 '19 at 19:29
Markus HirsimäkiMarkus Hirsimäki
1122 bronze badges
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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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What is the rationale for all comparisons returning false for IEEE754 NaN values?
...logic. If you throw 3-valued logic into the mix, it becomes consistent:
(2.7 == 2.7) = true
(2.7 == 2.6) = false
(2.7 == NaN) = unknown
(NaN == NaN) = unknown
Even .NET does not provide a bool? operator==(double v1, double v2) operator, so you are still stuck with the silly (NaN == NaN) = false ...
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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How does variable assignment work in JavaScript?
...la.org/en/JavaScript/Reference/Global_Objects/…
– Lèse majesté
Jul 11 '12 at 22:56
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show 4 more comments
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Why does pycharm propose to change method to static
...out_self()
def is_not_used(self):
pass
Workaround #2 [Thanks @DavidPärsson]
# noinspection PyMethodMayBeStatic
def bar(self):
doing_something_without_self()
The application I had for this (the reason I could not use @staticmethod) was in making a table of handler functions for respond...
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Simplest way to detect a mobile device in PHP
...('/(android|bb\d+|meego).+mobile|avantgo|bada\/|blackberry|blazer|compal|elaine|fennec|hiptop|iemobile|ip(hone|od)|iris|kindle|lge |maemo|midp|mmp|netfront|opera m(ob|in)i|palm( os)?|phone|p(ixi|re)\/|plucker|pocket|psp|series(4|6)0|symbian|treo|up\.(browser|link)|vodafone|wap|windows (ce|phone)|xda...
Calling a function of a module by using its name (a string)
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@glarrain As long as you're ok with only support 2.7 and up.
– Xiong Chiamiov
Sep 14 '13 at 16:54
1
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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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