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How to use subprocess popen Python
... that, your argument doesn't make sense at all. Many OS functions that the Python standard library exposes are potentially dangerous - take shutil.rmtree for example. But that has nothing to do with whether they are included in the stdlib or not. I believe the UNIX philosophy of "Unix was not design...
Numpy `logical_or` for more than two arguments
...erms, and can be used as a 2D array.
Outside of NumPy, you can also use Python's reduce:
>>> functools.reduce(np.logical_or, (x, y, z))
array([ True, True, True, False], dtype=bool)
However, unlike NumPy's reduce, Python's is not often needed. For most cases, there's a simpler way ...
Checking if sys.argv[x] is defined
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I love Python more and more, all thanks to answers like that and Stack Overflow of course! Too bad we don't have an explanation of last two lines. I believe for beginners that would be great.
– Goujon
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Saving a Numpy array as an image
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You can use PyPNG. It's a pure Python (no dependencies) open source PNG encoder/decoder and it supports writing NumPy arrays as images.
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unbound method f() must be called with fibo_ instance as first argument (got classobj instance inste
In Python, I'm trying to run a method in a class and I get an error:
8 Answers
8
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Delete an element from a dictionary
Is there a way to delete an item from a dictionary in Python?
15 Answers
15
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What is the standard way to add N seconds to datetime.time in Python?
Given a datetime.time value in Python, is there a standard way to add an integer number of seconds to it, so that 11:34:59 + 3 = 11:35:02 , for example?
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Sending “User-agent” using Requests library in Python
I want to send a value for "User-agent" while requesting a webpage using Python Requests. I am not sure is if it is okay to send this as a part of the header, as in the code below:
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Conditional import of modules in Python
...nd advanced version of json so we should try to import it first.
Based on python version you can try below way to import json or simplejson
import sys
if sys.version_info > (2, 7):
import simplejson as json
else:
import json
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Printing without newline (print 'a',) prints a space, how to remove?
...0):
... sys.stdout.write('a')
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Python 3 changes the print statement into a print() function, which allows you to set an end parameter. You can use it in >=2.6 by importing from __future__. I'd avoid this in any serious 2.x code though, as it will be a l...