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Store query result in a variable using in PL/pgSQL
...on't leave out the table name prefix on test_table.name or you'll get complaints about an ambiguous reference.
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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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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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中文网（自研/维护）拓展 · App Inventor 2 中文网
... 教育 入门必读 中文教程 IoT专题 AI2拓展 ChatGPT接入 Aia Store 开通VIP 搜索 中文网（自研/维护）拓展 ...
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
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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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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...