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How to create major and minor gridlines with different linestyles in Python
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Passing a dictionary to a function as keyword parameters
I'd like to call a function in python using a dictionary.
4 Answers
4
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How can I convert tabs to spaces in every file of a directory?
...lower if /tmp is on a different mount point. Unfortunately I don't have a Linux box available to test your $0 proposal. But I think you are correct.
– Gene
Nov 26 '13 at 2:12
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Bash empty array expansion with `set -u`
... bash --version | head -n 1
GNU bash, version 4.4.19(1)-release (x86_64-pc-linux-gnu)
$ set -u
$ arr=()
$ echo "foo: '${arr[@]}'"
foo: ''
There is a conditional you can use inline to achieve what you want in older versions: Use ${arr[@]+"${arr[@]}"} instead of "${arr[@]}".
$ function args { ...
adding noise to a signal in python
...nt to add some random noise to some 100 bin signal that I am simulating in Python - to make it more realistic.
7 Answers
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Python pandas Filtering out nan from a data selection of a column of strings
...new-post-login', 'https%3a%2f%2fstackoverflow.com%2fquestions%2f22551403%2fpython-pandas-filtering-out-nan-from-a-data-selection-of-a-column-of-strings%23new-answer', 'question_page');
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How can I convert an RGB image into grayscale in Python?
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@BluePython: LA mode has luminosity (brightness) and alpha. If you use LA mode, then greyscale.png will be an RGBA image with the alpha channel of image.png preserved. If you use L mode, then greyscale.png will be an RGB image (wi...
Access multiple elements of list knowing their index
...aster than simply typing out the desired indexes inside parentheses, using Python 3.44
– ragardner
Oct 16 '17 at 9:42
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How to dynamically compose an OR query filter in Django?
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I would debate that it is more pythonic to use the builtin OR and AND operators (| and &). q_objects |= Q(pk=item)
– Bobort
Aug 24 '16 at 15:46
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Check if a string contains a number
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use str.isalpha()
Ref: https://docs.python.org/2/library/stdtypes.html#str.isalpha
Return true if all characters in the string are alphabetic and there
is at least one character, false otherwise.
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