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python Programming Glossary: indexinghttp://stackoverflow.com/questions/1087255/use-of-eval-in-python Python's powerful built ins such as getattr and setattr indexing into globals c provide preferable and in fact often simpler..
Python random lines from subfolders http://stackoverflow.com/questions/12128948/python-random-lines-from-subfolders pick 10 random lines to be read from these files. First indexing import os root_path r'C Tasks ' total_lines 0 file_indices dict.. print task tasks.remove index Note that you only need the indexing once you can store the result somewhere and only update it when..
Iterate over pairs in a list (circular fashion) in Python http://stackoverflow.com/questions/1257413/iterate-over-pairs-in-a-list-circular-fashion-in-python
http://stackoverflow.com/questions/1827489/numpy-meshgrid-in-3d Construct a multi dimensional meshgrid using indexing notation. index_tricks.ogrid Construct an open multi dimensional.. Construct an open multi dimensional meshgrid using indexing notation. Examples X Y np.meshgrid 1 2 3 4 5 6 7 X array 1..
Segmentation fault: 11 in OS X http://stackoverflow.com/questions/19531969/segmentation-fault-11-in-os-x in readline.c for the original design flaw in history indexing now causes a segfault on 10.9 when the user types in the second..
Is False == 0 and True == 1 in Python an implementation detail or is it guaranteed by the language? http://stackoverflow.com/questions/2764017/is-false-0-and-true-1-in-python-an-implementation-detail-or-is-it-guarante an object which is not a subclass of integer because list indexing only works with integers or objects that define a __index__..
Is it Pythonic to use bools as ints? http://stackoverflow.com/questions/3174392/is-it-pythonic-to-use-bools-as-ints feel free to use them without contortions. That goes for indexing arithmetic bit operations etc etc etc. share improve this answer..
Numpy interconversion between multidimensional and linear indexing http://stackoverflow.com/questions/3257619/numpy-interconversion-between-multidimensional-and-linear-indexing interconversion between multidimensional and linear indexing I'm looking for a fast way to interconvert between linear and.. way to interconvert between linear and multidimensional indexing in Numpy. To make my usage concrete I have a large collection.. that to an 1d linear index by using it to slice the linear indexing array linind. If anyone has a one or several line indexing trick..
http://stackoverflow.com/questions/4370745/view-onto-a-numpy-array you're using use y x.copy You'll often hear about fancy indexing of numpy arrays. Using a list or integer array as an index is.. arrays. Using a list or integer array as an index is fancy indexing . It can be very useful but copies the data. As an example of.. a copy while y x 3 would return a view. Even really crazy indexing like x 4 100 5 10 1 None is normal indexing and will return..
http://stackoverflow.com/questions/4628290/pairs-from-single-list that should mean that the implementation of lists list indexing and list slicing in Python is very efficient. It's a result..
Generator Expressions vs. List Comprehension http://stackoverflow.com/questions/47789/generator-expressions-vs-list-comprehension in get_some_stuff print gen 2 # generators don't support indexing or slicing print 5 6 gen # generators can't be added to lists..
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