大约有 5,685 项符合查询结果(耗时:0.0260秒) [XML]
How do you create different variable names while in a loop? [duplicate]
...(cat_4)
8
Here I am taking advantage of the handy f string formatting in Python 3.6+
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Should I use != or for not equal in T-SQL?
... its existence in every C-influenced language I have used, and because the Python documentation says: "The forms <> and != are equivalent; for consistency with C, != is preferred; where != is mentioned below <> is also accepted. The <> spelling is considered obsolescent." But SQL i...
How to query MongoDB with “like”?
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In
PyMongo using Python
Mongoose using Node.js
Jongo, using Java
mgo, using Go
you can do:
db.users.find({'name': {'$regex': 'sometext'}})
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How to add pandas data to an existing csv file?
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You can specify a python write mode in the pandas to_csv function. For append it is 'a'.
In your case:
df.to_csv('my_csv.csv', mode='a', header=False)
The default mode is 'w'.
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finding and replacing elements in a list
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This is a bad and very un-pythonic solution. Consider using list comprehension.
– AdHominem
Dec 31 '16 at 11:56
233
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Getting rid of \n when using .readlines() [duplicate]
...d rows with tab-separated fields?" I would definitely recommend the use of python's CSV module. I would not be giving tips that are applicable to a purely text file with CR-separated lines of data. So tab-separated values is a circumstance where that would be bad and if stated that way, this answer ...
Create a folder if it doesn't already exist
... return is_dir($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
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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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