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Why isn't my Pandas 'apply' function referencing multiple columns working? [closed]
...the answer you're looking for? Browse other questions tagged python python-2.7 pandas dataframe apply or ask your own question.
Access an arbitrary element in a dictionary in Python
...u can use collections.OrderedDict, which is also in the forthcoming Python 2.7; for older versions of Python, download, install, and use the ordered dict backport (2.4 and later) which you can find here.
Python 3.7
Now dicts are insertion ordered.
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How to get the ASCII value of a character
...nstead of unichr.
ord() - Python 3.6.5rc1 documentation
ord() - Python 2.7.14 documentation
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How can I find where Python is installed on Windows?
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this seems to be false on windows 7, at least for python 2.7
– sharkin
Dec 9 '10 at 12:08
Where's th...
Base64Util 拓展：支持图像框、画布、文件、文本字符串、图像精灵base64编...
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Finding the mode of a list
...(1) # Returns the highest occurring item
Note: Counter is new in python 2.7 and is not available in earlier versions.
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Print multiple arguments in Python
...nt("Total score for " + name + " is " + score)
It works with both Python 2.7 an 3.X.
NOTE: If score is an int, then, you should convert it to str:
print("Total score for " + name + " is " + str(score))
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How to use XPath in Python?
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using python 2.7.10 on osx I had to import ElementTree as from xml.etree.ElementTree import ElementTree
– Ben Page
Jan 11 '16 at 14:34
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How to calculate cumulative normal distribution?
...ds people here, I decide to write my solution here.
That is, since Python 2.7, the math library has integrated the error function math.erf(x)
The erf() function can be used to compute traditional statistical functions such as the cumulative standard normal distribution:
from math import *
def phi...
Comparing two files in linux terminal
...) <(sort b.txt)
# ~0.2s
diff a.txt b.txt
# ~2.6s
sdiff a.txt b.txt
# ~2.7s
vimdiff a.txt b.txt
# ~3.2s
comm seems to be the fastest by far, while git diff --no-index appears to be the fastest approach for diff-style output.
Update 2018-03-25 You can actually omit the --no-index flag unles...