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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
10
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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 can I capitalize the first letter of each word in a string?
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Great answer, and comments highlight that in python not everything behaves the way you need it to, but there's always convenient ways to make it so. The most convenient way is often importing a purpose-built library, such as python-titlecase
– Aaro...
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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Why #egg=foo when pip-installing from git repo
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If you've made a custom Python package, when you ran setuptools, a directory named project-name.egg-info/top_level.txt should have been created. Use the contents of this file as the value for the egg parameter.
– dspacejs
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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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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...
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...
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...