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Python subprocess.Popen “OSError: [Errno 12] Cannot allocate memory”
... that every time you call it you're requesting once more as much memory as Python is already eating up, i.e. in the hundreds of additional MB, all in order to then exec a puny 10kB executable such as free or ps. In the case of an unfavourable overcommit policy, you'll soon see ENOMEM.
Alternatives...
Converting pixels to dp
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If you can use the dimensions XML it's very simple!
In your res/values/dimens.xml:
<?xml version="1.0" encoding="utf-8"?>
<resources>
<dimen name="thumbnail_height">120dp</dimen>
...
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</resources>
Then in y...
How can I scroll a web page using selenium webdriver in python?
...down to get all the friends. How can I scroll down in Selenium. I am using python.
18 Answers
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What are the differences between json and simplejson Python modules?
...nce json was added in 2.6, simplejson has the advantage of working on more Python versions (2.4+).
simplejson is also updated more frequently than Python, so if you need (or want) the latest version, it's best to use simplejson itself, if possible.
A good practice, in my opinion, is to use one or...
How to import module when module name has a '-' dash or hyphen in it?
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Python 3.x What’s New In Python 3.0 Removed execfile(). Instead of execfile(fn) use exec(open(fn).read()) Also there is package importlib.
– DevPlayer
Apr 8 '15 at 14:26
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subtract two times in python
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using python 2.7, I don't have combine method in my datetime module: AttributeError: 'module' object has no attribute 'combine'
– mtoloo
Jul 28 '16 at 12:32
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How do you generate dynamic (parameterized) unit tests in python?
...----------------
Traceback (most recent call last):
File "/usr/local/lib/python2.7/site-packages/parameterized/parameterized.py", line 233, in <lambda>
standalone_func = lambda *a: func(*(a + p.args), **p.kwargs)
File "x.py", line 12, in test_sequence
self.assertEqual(a,b)
Assertio...
How can I remove the gloss on a select element in Safari on Mac?
...t including any image files:
select{
background: url(data:image/svg+xml;base64,PHN2ZyBpZD0iTGF5ZXJfMSIgZGF0YS1uYW1lPSJMYXllciAxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHZpZXdCb3g9IjAgMCA0Ljk1IDEwIj48ZGVmcz48c3R5bGU+LmNscy0xe2ZpbGw6I2ZmZjt9LmNscy0ye2ZpbGw6IzQ0NDt9PC9zdHlsZT48L2RlZnM+PH...
Text Progress Bar in the Console [closed]
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Python 3
A Simple, Customizable Progress Bar
Here's an aggregate of many of the answers below that I use regularly (no imports required).
Note: All code in this answer was created for Python 3; see end of answer to use this c...
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...