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Insert a row to pandas dataframe
... a row is a bit misleading, as -1 isn't the last row/element, as it is for Python arrays.
– flow2k
Apr 24 '19 at 2:05
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Equivalent of String.format in jQuery
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Ooh, and one that uses the Python interpolation format: code.google.com/p/jquery-utils/wiki/…
– gpvos
Mar 16 '11 at 13:47
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Regular expression to match balanced parentheses
...pasted at (?R) which represents (?0).
Perl, PHP, Notepad++, R: perl=TRUE, Python: Regex package with (?V1) for Perl behaviour.
Ruby using subexpression calls.
With Ruby 2.0 \g<0> can be used to call full pattern.
\((?>[^)(]+|\g<0>)*\)
Demo at Rubular; Ruby 1.9 only supports ca...
Transposing a NumPy array
I use Python and NumPy and have some problems with "transpose":
16 Answers
16
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socket.shutdown vs socket.close
...at both peers close at the same time. Otherwise close() is sufficient. The Python documentation should be corrected.
– Marquis of Lorne
Nov 26 '19 at 0:33
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Hidden features of Windows batch files
...ile, the script becomes a bash launcher and rewrite the script in bash (or python) instead : )
– idbrii
Mar 24 '11 at 16:47
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What are these ^M's that keep showing up in my files in emacs?
...ly write a small script to fix them yourself.
Edit: I found the following Python sample code here:
string.replace( str, '\r', '' )
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Most efficient way to reverse a numpy array
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perfplot requires at least Python 3.6 because it uses f-strings (Literal String Interpolation)
– fivef
May 13 at 8:52
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Check if list of objects contain an object with a certain attribute value
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Not the answer you're looking for? Browse other questions tagged python list attributes any or ask your own question.
What is the equivalent of “none” in django templates?
...er.first_name %} works (assuming you also don't want to accept '').
if in Python in general treats None, False, '', [], {}, ... all as false.
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