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Django import error - no module named django.conf.urls.defaults
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patterns has been removed. You can directly use a python list to add urls instead of using patterns.
– Akshay Hazari
Aug 3 '17 at 8:36
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sqlalchemy IS NOT NULL select
...LAlchemy won't emit != NULL however, even if you use column != None on the Python side; you get IS NOT NULL. Using .isnot() lets you force IS NOT on other types however (think .isnot(True) against boolean columns, for example).
– Martijn Pieters♦
Sep 15 '16 a...
How to export plots from matplotlib with transparent background?
... there's this question: And then use the PIL library like in this question Python PIL: how to make area transparent in PNG? so as to make your graph transparent.
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Using Emacs to recursively find and replace in text files not already open
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Can I apply this only for python files?
– alper
Aug 2 at 12:10
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Can we append to a {% block %} rather than overwrite?
...ss and javascript files to be included and they don't want to have to edit Python files to change that neither did I want them to change my Python files. Therefor there was a need to allow you to edit contents of templates which are before or after the point where you are now. Also I wanted duplicat...
How to determine the longest increasing subsequence using dynamic programming?
...p for me, but it was hard for me to parse what everything was, so I made a Python implementation with overly-descriptive variable names and lots of comments. I did a naive recursive solution, the O(n^2) solution, and the O(n log n) solution.
I hope it helps clear up the algorithms!
The Recursive ...
How to count certain elements in array?
...erator.)
Also consider using your own multiset data structure (e.g. like python's 'collections.Counter') to avoid having to do the counting in the first place.
class Multiset extends Map {
constructor(...args) {
super(...args);
}
add(elem) {
if (!this.has(elem))
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How do you access the matched groups in a JavaScript regular expression?
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I improved this to make it similar to python's re.findall(). It groups up all matches into an array of arrays. It also fixes the global modifier infinite loop issue. jsfiddle.net/ravishi/MbwpV
– ravishi
Nov 21 '13 at 20:0...
Combine two columns of text in pandas dataframe
I have a 20 x 4000 dataframe in Python using pandas. Two of these columns are named Year and quarter . I'd like to create a variable called period that makes Year = 2000 and quarter= q2 into 2000q2 .
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How to execute an external program from within Node.js?
...execute an external program from within node.js? Is there an equivalent to Python's os.system() or any library that adds this functionality?
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