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Is arr.__len__() the preferred way to get the length of an array in Python?
In Python , is the following the only way to get the number of elements?
8 Answers
8
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Create a .csv file with values from a Python list
I am trying to create a .csv file with the values from a Python list. When I print the values in the list they are all unicode (?), i.e. they look something like this
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What does the 'b' character do in front of a string literal?
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To quote the Python 2.x documentation:
A prefix of 'b' or 'B' is ignored in
Python 2; it indicates that the
literal should become a bytes literal
in Python 3 (e.g. when code is
automatically converted with 2to3). A
'u' or 'b...
What is the pythonic way to unpack tuples? [duplicate]
This is ugly. What's a more Pythonic way to do it?
2 Answers
2
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Remove and Replace Printed items [duplicate]
I was wondering if it was possible to remove items you have printed in Python - not from the Python GUI, but from the command prompt.
e.g.
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What does the 'u' symbol mean in front of string values? [duplicate]
...normal ASCII can manage. The fact that you're seeing the u means you're on Python 2 - strings are Unicode by default on Python 3, but on Python 2, the u in front distinguishes Unicode strings. The rest of this answer will focus on Python 2.
You can create a Unicode string multiple ways:
>>>...
Python3 integer division [duplicate]
In Python3 vs Python2.6, I've noticed that I can divide two integers and get a float. How do you get the Python2.6 behaviour back? Is there a different method to get int/int = int?
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Why does Google +1 record my mouse movements? [closed]
...nd Agichtein from CHI 2010 http://www.mathcs.emory.edu/~qguo3/wip287-guo11.pdf can provide further ideas on why Google is doing that.
Apparently mouse movements is a rough proxy for eye movement and allows people to approximate eye tracking results.
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Python Progress Bar
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this does not scale for many steps... pypi.python.org/pypi/progress is much easier to use
– m13r
May 8 '15 at 21:55
5
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How do I check if a list is empty?
...ist is empty")
Using the implicit booleanness of the empty list is quite pythonic.
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