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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
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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 Linux equivalent to DOS pause?
...n devoted to this subject (apple2scans.net/files/1982-A2F2116-m-a2e-aiiedg.pdf).
– Gellweiler
Apr 6 '18 at 17:26
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How big can a user agent string get?
...nswer has a good example of this happening). In fact, the EFF did a study (pdf) about it.
– patridge
Mar 8 '11 at 20:29
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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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How to set timeout on python's socket recv method?
I need to set timeout on python's socket recv method. How to do it?
10 Answers
10
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Call int() function on every list element?
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In Python 2.x another approach is to use map:
numbers = map(int, numbers)
Note: in Python 3.x map returns a map object which you can convert to a list if you want:
numbers = list(map(int, numbers))
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What is the pythonic way to unpack tuples? [duplicate]
This is ugly. What's a more Pythonic way to do it?
2 Answers
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