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How do I compare version numbers in Python?
...e.
>>> from packaging import version
>>> version.parse("2.3.1") < version.parse("10.1.2")
True
>>> version.parse("1.3.a4") < version.parse("10.1.2")
True
>>> isinstance(version.parse("1.3.a4"), version.Version)
True
>>> isinstance(version.parse("1....
When should iteritems() be used instead of items()?
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In Python 2.x - .items() returned a list of (key, value) pairs. In Python 3.x, .items() is now an itemview object, which behaves different - so it has to be iterated over, or materialised... So, list(dict.items()) is required for what ...
Primary key/foreign Key naming convention [closed]
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52
It doesn't really matter. I've never run into a system where there is a real difference between...
Android: How to change CheckBox size?
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answered Jan 28 '10 at 7:36
moraesmoraes
11.8k77 gold badges4141 silver badges5858 bronze badges
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Change the name of a key in dictionary
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752
Easily done in 2 steps:
dictionary[new_key] = dictionary[old_key]
del dictionary[old_key]
Or ...
Convert from ASCII string encoded in Hex to plain ASCII?
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233
A slightly simpler solution:
>>> "7061756c".decode("hex")
'paul'
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How can I check if my python object is a number? [duplicate]
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276
Test if your variable is an instance of numbers.Number:
>>> import numbers
>>&...
Android Studio Stuck at Gradle Download on create new project
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edited Oct 30 '14 at 7:32
user3666197
26.3k44 gold badges4141 silver badges7777 bronze badges
answered...
What is the significance of initializing direction arrays below with given values when developing ch
...what move each index of the arrays will make from the central point, X, at 2,2.)
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.1X0.
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The way it is set up, if you do ^1 (^ being bitwise XOR) on the index you get the opposite direction - 0 and 1 are opposites, 2 and 3 are opposites and so on. (Another way to set it up i...
How to add an integer to each element in a list?
If I have list=[1,2,3] and I want to add 1 to each element to get the output [2,3,4] ,
how would I do that?
11 Answers...