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Looping over a list in Python
...n(x)==3:
... print x
...
[1, 2, 3]
[8, 9, 10]
or if you need more pythonic use list-comprehensions
>>> [x for x in mylist if len(x)==3]
[[1, 2, 3], [8, 9, 10]]
>>>
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How to check if an object is a generator object in python?
In python, how do I check if an object is a generator object?
9 Answers
9
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How to check if a float value is a whole number
...gt; (1.555).is_integer()
False
The method was added to the float type in Python 2.6.
Take into account that in Python 2, 1/3 is 0 (floor division for integer operands!), and that floating point arithmetic can be imprecise (a float is an approximation using binary fractions, not a precise real num...
Does uninstalling a package with “pip” also remove the dependent packages?
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Unfortunately it has no real Python3 support, yet (see github.com/invl/pip-autoremove/issues/18) .
– asmaier
Oct 6 '19 at 10:31
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Python Request Post with param data
...t'll set the correct Content-Header too; all you need to do is pass in the Python object to be encoded as JSON into the json keyword argument.
You could split out the URL parameters as well:
params = {'sessionKey': '9ebbd0b25760557393a43064a92bae539d962103', 'format': 'xml', 'platformId': 1}
the...
How to “comment-out” (add comment) in a batch/cmd?
I have a batch file that runs several python scripts that do table modifications.
10 Answers
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How to overload __init__ method based on argument type?
...ile.close()
...
... # rest of code
The key idea is here is using Python's excellent support for named arguments to implement this. Now, if I want to read the data from a file, I say:
obj.read(filename="blob.txt")
And to read it from a string, I say:
obj.read(str="\x34\x55")
This way ...
Difference between onStart() and onResume()
...the graphic on page 39 in
http://media.pragprog.com/titles/eband3/concepts.pdf
By the way, this book is highly recommendable for android beginners!
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Object of custom type as dictionary key
What must I do to use my objects of a custom type as keys in a Python dictionary (where I don't want the "object id" to act as the key) , e.g.
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What is the difference between mutex and critical section?
...ree programming is like Shangri La, except it exists. Keir Fraser's paper (PDF) explores this rather interestingly (going back to 2004). And we're still struggling with it in 2012. We suck.
– Tim Post♦
Oct 11 '12 at 15:07
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