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Breaking out of nested loops [duplicate]
... For an explanation on this: psung.blogspot.com.au/2007/12/for-else-in-python.html
– aiham
Apr 16 '12 at 10:44
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Numpy: Get random set of rows from 2D array
...a similar answer to the one Hezi Rasheff provided, but simplified so newer python users understand what's going on (I noticed many new datascience students fetch random samples in the weirdest ways because they don't know what they are doing in python).
You can get a number of random indices from y...
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...
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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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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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
...