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python Programming Glossary: liner“Adding” Dictionaries in Python? [duplicate] http://stackoverflow.com/questions/1031199/adding-dictionaries-in-python 200 'aardvark' 3000 Knowing Python there must be a one liner to get this done it doesn't really have to be one line... ...
Python prime generator in one-line http://stackoverflow.com/questions/10639861/python-prime-generator-in-one-line http stackoverflow.com a 9302299 711085 to be a one liner originally it was not the real Sieve but now it is... probably..... is the root of all evil we can still cram it into a one liner if we desperately wanted to. But first... Normal sieve N 100.. 5 7 11 13 17 19 23 29 Proceed to cringe in horror the one liner expanded oddly beautiful because you could almost directly translate..
Python: Elegantly merge dictionaries with sum() of values [duplicate] http://stackoverflow.com/questions/11290092/python-elegantly-merge-dictionaries-with-sum-of-values thanks to astynax Also If you desperately want an one liner you can replace updateInPlace by lambda x y x.update y or x..
Python: Change values in dict of nested dicts using items in a list http://stackoverflow.com/questions/11918852/python-change-values-in-dict-of-nested-dicts-using-items-in-a-list list comprehension share improve this question One liner keys newkey newvalue list_address 2 list_address 2 reduce dict.__getitem__..
Pythonic way of iterating over 3D array http://stackoverflow.com/questions/1316068/pythonic-way-of-iterating-over-3d-array I just found it very easy to read the data in with a one liner using numpy.fromfile . Is there any more Pythonic way to iterate..
Python most common element in a list http://stackoverflow.com/questions/1518522/python-most-common-element-in-a-list the grain of scalability Finally for those who prefer oneliners to clarity and performance a bonus 1 liner version with suitably.. who prefer oneliners to clarity and performance a bonus 1 liner version with suitably mangled names . from itertools import.. . from itertools import groupby as g def most_common_oneliner L return max g sorted L key lambda x v len list v L.index x..
Convert sqlalchemy row object to python dict http://stackoverflow.com/questions/1958219/convert-sqlalchemy-row-object-to-python-dict is too long and not suited for some tastes here is a one liner python 2.7 row2dict lambda r c.name getattr r c.name for c in..
access ElementTree node parent node http://stackoverflow.com/questions/2170610/access-elementtree-node-parent-node here to achieve the desired effect. The following one liner is suggested from the linked to post to create a child to parent..
The Python yield keyword explained http://stackoverflow.com/questions/231767/the-python-yield-keyword-explained two generators Group values in a nested list with a one liner Map Zip without creating another list Then just import itertools..
What is the best way to get the first item from an iterable matching a condition? http://stackoverflow.com/questions/2361426/what-is-the-best-way-to-get-the-first-item-from-an-iterable-matching-a-condition i i 3 4 However I can't think of a good built in one liner to let me do this and I don't particularly want to copy this..
http://stackoverflow.com/questions/2870466/python-histogram-one-liner histogram one liner There are many ways to write a Python program that computes.. there. Please beat me with a better more readable one liner python histogram reduce counting share improve this question..
writing header in csv python with DictWriter http://stackoverflow.com/questions/2982023/writing-header-in-csv-python-with-dictwriter in a comment you can condense header writing to a one liner e.g. with open outfile 'wb' as fou dw csv.DictWriter fou delimiter..
http://stackoverflow.com/questions/3490738/how-to-sum-dict-elements share improve this question A little ugly but a one liner dictf reduce lambda x y dict k v y k for k v in x.iteritems..
check if all elements in a list are identical http://stackoverflow.com/questions/3844801/check-if-all-elements-in-a-list-are-identical for rest in iterator except StopIteration return True One liner def checkEqual2 iterator return len set iterator 1 Also one.. checkEqual2 iterator return len set iterator 1 Also one liner def checkEqual3 lst return lst 1 lst 1 The difference between..
Javascript equivalent of Python's zip function http://stackoverflow.com/questions/4856717/javascript-equivalent-of-pythons-zip-function question Sorry I'm a year late... This is actually a one liner function zip arrays return arrays 0 .map function _ i return..
Making a flat list out of list of lists in Python [duplicate] http://stackoverflow.com/questions/952914/making-a-flat-list-out-of-list-of-lists-in-python can do that in a for loop but maybe there is some cool one liner I tried it with reduce but I get an error. Code l 1 2 3 4 5..
Why does '.sort()' cause the list to be 'None' in Python? http://stackoverflow.com/questions/9777122/why-does-sort-cause-the-list-to-be-none-in-python . It can easily and more efficiently be written as a one liner max len Ancestors T x for x in OrdLeaves T max operates in linear..
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