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python Programming Glossary: tupleWhat is a metaclass in Python? http://stackoverflow.com/questions/100003/what-is-a-metaclass-in-python in Python type works this way type name of the class tuple of the parent class for inheritance can be empty dictionary..
How to generate all permutations of a list in Python http://stackoverflow.com/questions/104420/how-to-generate-all-permutations-of-a-list-in-python DB DC # permutations range 3 012 021 102 120 201 210 pool tuple iterable n len pool r n if r is None else r if r n return indices.. r if r n return indices range n cycles range n n r 1 yield tuple pool i for i in indices r while n for i in reversed range r.. j cycles i indices i indices j indices j indices i yield tuple pool i for i in indices r break else return And another based..
Which Python memory profiler is recommended? [closed] http://stackoverflow.com/questions/110259/which-python-memory-profiler-is-recommended 2140412 26 2140412 26 str 1 38397 29 1309020 16 3449432 42 tuple 2 530 0 739856 9 4189288 50 dict no owner You can also find..
A Transpose/Unzip Function in Python (inverse of zip) http://stackoverflow.com/questions/19339/a-transpose-unzip-function-in-python-inverse-of-zip Function in Python inverse of zip I have a list of 2 item tuples and I'd like to convert them to 2 lists where the first contains.. to 2 lists where the first contains the first item in each tuple and the second list holds the second item. For example original.. are passed to zip directly after being converted to a tuple so there's no need to worry about the number of arguments getting..
What do *args and **kwargs mean? [duplicate] http://stackoverflow.com/questions/287085/what-do-args-and-kwargs-mean the Python documentation from what it seems it passes in a tuple of arguments. def foo hello args print hello for each in args..
*args and **kwargs? [duplicate] http://stackoverflow.com/questions/3394835/args-and-kwargs c cat As you can see in this case it takes the list or tuple of items and matches them to the arguments in the function...
Python string formatting: % vs. .format http://stackoverflow.com/questions/5082452/python-string-formatting-vs-format thing about is also how it can either take a variable or a tuple. You'd think the following would always work hi there s name.. there s name # supply the single argument as a single item tuple which is just ugly. .format doesn't have those issues. Also..
Python: Sort a dictionary by value http://stackoverflow.com/questions/613183/python-sort-a-dictionary-by-value there a simpler solution. python list dictionary sorting tuples share improve this question It is not possible to sort.. are inherently orderless but other types such as lists and tuples are not. So you need a sorted representation which will be.. representation which will be a list ”probably a list of tuples. For instance import operator x 1 2 3 4 4 3 2 1 0 0 sorted_x..
What's the difference between list and tuples in Python? http://stackoverflow.com/questions/626759/whats-the-difference-between-list-and-tuples-in-python the difference between list and tuples in Python What's the difference What are the advantages disadvantages.. the difference What are the advantages disadvantages of tuples lists python list tuples share improve this question Apart.. the advantages disadvantages of tuples lists python list tuples share improve this question Apart from tuples being immutable..
Python's use of __new__ and __init__? http://stackoverflow.com/questions/674304/pythons-use-of-new-and-init subclassing an immutable type like str int unicode or tuple. From http mail.python.org pipermail tutor 2008 April 061426.html..
Rolling or sliding window iterator in Python http://stackoverflow.com/questions/6822725/rolling-or-sliding-window-iterator-in-python s s0 s1 ...s n 1 s1 s2 ... sn ... it iter seq result tuple islice it n if len result n yield result for elem in it result..
http://stackoverflow.com/questions/10867882/tuple-unpacking-in-for-loops unpacking in for loops I stumbled across the following code..
Is it possible something like lvalue of perl or setf of lisp in python? http://stackoverflow.com/questions/11748780/is-it-possible-something-like-lvalue-of-perl-or-setf-of-lisp-in-python a 1 2 3 4 a 0 3 98 99 # a will become 98 99 3 4 # Tuple assignment x y z 10 20 30 Note also that in Python there is..
Simple example of how to use ast.NodeVisitor? http://stackoverflow.com/questions/1515357/simple-example-of-how-to-use-ast-nodevisitor Load Index Name Load Store Add Subscript Name Load Index Tuple Name Load Name Load Load Load But suppose we didn't care for.. Subscript Name Index Name Store Add Subscript Name Index Tuple Name Name or suppose we also wanted to see the actual names.. Name d Index Name x Store Add Subscript Name v Index Tuple Name y Name x Load Load But NodeVisitor is a class because this..
What is the fastest (to access) struct-like object in Python? http://stackoverflow.com/questions/2646157/what-is-the-fastest-to-access-struct-like-object-in-python timeit z c 'c' from __main__ import c 0.11588272541098377 Tuple with three values using a constant key timeit z d 2 from __main__.. timeit z e 2 from __main__ import e 0.086038238242508669 Tuple with three values using a local key timeit z d key from __main__..
http://stackoverflow.com/questions/3061761/numpy-array-dimensions share improve this question It is .shape ndarray. shape Tuple of array dimensions. Thus a.shape 2 2 share improve this answer..
What are differences between List, Dictionary and Tuple in Python? [duplicate] http://stackoverflow.com/questions/3649841/what-are-differences-between-list-dictionary-and-tuple-in-python are differences between List Dictionary and Tuple in Python duplicate This question already has an answer here.. between a list and a tuple. To quote Nikow's answer Tuples have structure lists have order. A dictionary is a key value..
Choosing between different switch-case replacements in Python - dictionary or if-elif-else? http://stackoverflow.com/questions/594442/choosing-between-different-switch-case-replacements-in-python-dictionary-or-if such as Using a dictionary Many variants Using a Tuple Using a function decorator http code.activestate.com recipes.. just tricky code that can achieve similar results. Using a Tuple. This is just dictionary without the mapping. This requires..
Why is parenthesis in print voluntary in Python 2.7? http://stackoverflow.com/questions/6182964/why-is-parenthesis-in-print-voluntary-in-python-2-7 like lambda x print x Note that expr does not create a Tuple it results in expr but does. This likely results in the confusion.. it treats the 's in a special manner and does not create a Tuple. This special treatment of the print statement enables it to..
“Slicing” in Python Expressions documentation http://stackoverflow.com/questions/752602/slicing-in-python-expressions-documentation 0xb7e9bc4c Ellipsis example t ... type 'ellipsis' Ellipsis Tuple with ellipsis and slice t ... 1 type 'tuple' Ellipsis slice..
Multiple Tuple to Two-Pair Tuple in Python? http://stackoverflow.com/questions/756550/multiple-tuple-to-two-pair-tuple-in-python Tuple to Two Pair Tuple in Python What is the nicest way of splitting.. Tuple to Two Pair Tuple in Python What is the nicest way of splitting this tuple 'a'..
Convert RGBA PNG to RGB with PIL http://stackoverflow.com/questions/9166400/convert-rgba-png-to-rgb-with-pil 284318 Keyword Arguments image PIL RGBA Image object color Tuple r g b default 255 255 255 x np.array image r g b a np.rollaxis.. image. Keyword Arguments image PIL RGBA Image object color Tuple r g b default 255 255 255 back Image.new 'RGBA' size image.size.. 284318 Keyword Arguments image PIL RGBA Image object color Tuple r g b default 255 255 255 def blend_value back front a return..
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