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How to calculate number of days between two given dates?
...d1 - d0
print(delta.days)
The relevant section of the docs:
https://docs.python.org/library/datetime.html.
See this answer for another example.
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How can I filter lines on load in Pandas read_csv function?
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If you are on linux you can use grep.
# to import either on Python2 or Python3
import pandas as pd
from time import time # not needed just for timing
try:
from StringIO import StringIO
except ImportError:
from io import StringIO
def zgrep_data(f, string):
'''grep multipl...
Can you make just part of a regex case-insensitive?
...e and multi-line mode.
Not all regex flavors support this. JavaScript and Python apply all mode modifiers to the entire regular expression. They don't support the (?-ismx) syntax, since turning off an option is pointless when mode modifiers apply to the whole regular expressions. All options are of...
Perform .join on value in array of objects
... I could help :) for what it's worth, just like map/reduce/filter are not 'pythonic' and comprehensions are the other way holds. In JavaScript's new spec in progress (Harmony) as well as some browsers already (firefox) you have pythonic comprehensions. You can do [x.name for x of users] (spec wiki.e...
Create list of single item repeated N times
...th identical elements will be a critical component of the performance of a python program.
– Arthur
Jun 20 '16 at 17:25
12
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View markdown files offline [closed]
...ution, which is what makes Grip so accurate. Also, gfms is node based, not Python.
– Joe
Aug 1 '14 at 18:04
3
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One line if-condition-assignment
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I don't think this is possible in Python, since what you're actually trying to do probably gets expanded to something like this:
num1 = 20 if someBoolValue else num1
If you exclude else num1, you'll receive a syntax error since I'm quite sure that the assi...
Running a specific test case in Django when your app has a tests directory
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Checkout django-nose. It allows you to specify tests to run like:
python manage.py test another.test:TestCase.test_method
or as noted in comments, use the syntax:
python manage.py test another.test.TestCase.test_method
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How to execute file I'm editing in Vi(m)
... placeholder for the current file name. For example, if you were editing a python script:
:set makeprg=python\ %
Yes, you need to escape the space. After this you can simply run:
:make
If you wish, you can set the autowrite option and it will save automatically before running the makeprg:
:se...
Generating statistics from Git repository [closed]
... GitStats (git history statistics generator) mentioned by xyld, written in Python and requiring Gnuplot for graphs, there is also
gitstat (SourceForge) project (web-based git statistics interface), written in PHP and Perl,
Git Statistics, aka gitstats (metrics framework designed to gather statistic...