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How to break a line of chained methods in Python?
...me effect -- but it puts you in Lisp reading mode in the middle of reading Python, which I find jarring.
– zxq9
May 31 '13 at 1:02
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Is there any pythonic way to combine two dicts (adding values for keys that appear in both)?
... You could also use for k in b.viewkeys() & a.viewkeys(), when using python 2.7, and skip the creation of sets.
– Martijn Pieters♦
Jun 13 '12 at 10:32
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How to use Boost in Visual Studio 2010
...Boost.IOStreams Bzip2 filters
Boost.IOStreams Zlib filters
Boost.MPI
Boost.Python
Boost.Regex ICU support
Boost.IOStreams Bzip2 filters:
Unarchive the latest version of bzip2 library (1.0.6 as of writing) source files into a directory of your choice (e.g. C:\bzip2-1.0.6).
Follow the second set o...
What's a standard way to do a no-op in python?
I often find myself writing if / elif / else constructs in python, and I want to include options which can occur, but for which the corresponding action is to do nothing. I realise I could just exclude those if statements, but for readability I find it helps to include them all, so that if you are l...
Does Python SciPy need BLAS?
... liblapack-dev
Then install SciPy, (after downloading the SciPy source): python setup.py install or
pip install scipy
As the case may be.
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How to get only the last part of a path in Python?
In Python, suppose I have a path like this:
9 Answers
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Python dictionary: Get list of values for list of keys
...emgetter(*mykeys)(mydict)
# use `list(...)` if list is required
Note: in Python3, map returns an iterator rather than a list. Use list(map(...)) for a list.
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What does |= (ior) do in Python?
... # `s1` is reassigned
{'a', 'b', 'c', 'd', 'e', 'f'}
Dictionaries
In Python 3.9+, new merge (|) and update (|=) operators are proposed between dictionaries. Note: these are not the same as set operators mentioned above.
Given operations between two assigned dicts d1 and d2:
>>> d1 = d...
Convert to binary and keep leading zeros in Python
I'm trying to convert an integer to binary using the bin() function in Python. However, it always removes the leading zeros, which I actually need, such that the result is always 8-bit:
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Python's “in” set operator
I'm a little confused about the python in operator for sets.
5 Answers
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