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Getting the filenames of all files in a folder [duplicate]
...pt(File dir, String name) { return name.endsWith(".xml"); } });
– IanB
Feb 18 '16 at 18:27
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How to check for valid email address? [duplicate]
...
import re
if not re.match(r"... regex here ...", email):
# whatever
Python ≥3.4 has re.fullmatch which is preferable to re.match.
Note the r in front of the string; this way, you won't need to escape things twice.
If you have a large number of regexes to check, it might be faster to compi...
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');
}
);
Post as a guest
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How to get a list of installed Jenkins plugins with name and version pair
...ttern to identify the node.
wget http://<jenkins>/pluginManager/api/xml?depth=1&xpath=/*/*/shortName|/*/*/version&wrapper=plugins
The wrapper argument is required in this case, because it's returning more than one node as part of the result, both in that it is matching multiple fiel...
What is the reason for having '//' in Python? [duplicate]
...
In Python 3, they made the / operator do a floating-point division, and added the // operator to do integer division (i.e. quotient without remainder); whereas in Python 2, the / operator was simply integer division, unless one ...
What is the difference between pip and conda?
I know pip is a package manager for python packages. However, I saw the installation on IPython's website use conda to install IPython.
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Removing multiple keys from a dictionary safely
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This. This is the clever Pythonista's choice. dict.pop() eliminates the need for key existence testing. Excellent.
– Cecil Curry
Mar 11 '16 at 1:51
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Parse an HTML string with JS
...agName('a');
According to MDN, to do this in chrome you need to parse as XML like so:
var parser = new DOMParser();
var htmlDoc = parser.parseFromString(txt, 'text/xml');
// do whatever you want with htmlDoc.getElementsByTagName('a');
It is currently unsupported by webkit and you'd have to foll...
Find intersection of two nested lists?
... 16]]
c3 = [[13, 32], [7, 13, 28], [1,6]]
Then here is your solution for Python 2:
c3 = [filter(lambda x: x in c1, sublist) for sublist in c2]
In Python 3 filter returns an iterable instead of list, so you need to wrap filter calls with list():
c3 = [list(filter(lambda x: x in c1, sublist)) fo...
Can I read the hash portion of the URL on my server-side application (PHP, Ruby, Python, etc.)?
... accessing http://localhost:8000/hello?foo=bar#this-is-not-sent-to-server
python -c "import SimpleHTTPServer;SimpleHTTPServer.test()"
Serving HTTP on 0.0.0.0 port 8000 ...
localhost - - [02/Jun/2009 12:48:47] code 404, message File not found
localhost - - [02/Jun/2009 12:48:47] "GET /hello?foo=bar ...