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In Django, how does one filter a QuerySet with dynamic field lookups?
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Python's argument expansion may be used to solve this problem:
kwargs = {
'{0}__{1}'.format('name', 'startswith'): 'A',
'{0}__{1}'.format('name', 'endswith'): 'Z'
}
Person.objects.filter(**kwargs)
This is a very c...
finding and replacing elements in a list
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This is a bad and very un-pythonic solution. Consider using list comprehension.
– AdHominem
Dec 31 '16 at 11:56
233
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Getting rid of \n when using .readlines() [duplicate]
...d rows with tab-separated fields?" I would definitely recommend the use of python's CSV module. I would not be giving tips that are applicable to a purely text file with CR-separated lines of data. So tab-separated values is a circumstance where that would be bad and if stated that way, this answer ...
Create a folder if it doesn't already exist
... return is_dir($dirpath) || mkdir($dirpath, $mode, true);
}
Inspired by Python's os.makedirs()
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glob exclude pattern
... This must be at official documentation, please somebody add this to docs.python.org/3.5/library/glob.html#glob.glob
– Vitaly Zdanevich
Jul 12 '16 at 6:40
6
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How to set selected item of Spinner by value, not by position?
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@Dadani - I take it you've never used Python before, because this is stupidly convoluted.
– ArtOfWarfare
Sep 13 '15 at 1:07
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(13: Permission denied) while connecting to upstream:[nginx]
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thanks. I needed to yum install policycoreutils-python in order to get audit2allow first. Reference: centos.org/forums/viewtopic.php?t=5012
– gross.jonas
Nov 13 '14 at 9:57
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Reload Flask app when template file changes
...Flask application using the built-in server ( Flask.run ), it monitors its Python files and automatically reloads the app if its code changes:
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Override console.log(); for production [duplicate]
...pport that by calling oldCons.log.apply(arguments)
– python1981
Jan 28 '18 at 12:46
@python1981, or we can use ES6 spr...
How to print the contents of RDD?
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In python
linesWithSessionIdCollect = linesWithSessionId.collect()
linesWithSessionIdCollect
This will printout all the contents of the RDD
sh...