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python Programming Glossary: unordered

Items in JSON object are out of order using “json.dumps”?

http://stackoverflow.com/questions/10844064/items-in-json-object-are-out-of-order-using-json-dumps

question As others have mentioned the underlying dict is unordered. However there are OrderedDict objects in python. They're built.. self o now using this we get import OrderedDict unordered id 123 name a_name timezone tz ordered OrderedDict.OrderedDict.. a_name timezone tz e OrderedJsonEncoder print e.encode unordered timezone tz id 123 name a_name print e.encode ordered id 123..

'order' of unordered Python sets

http://stackoverflow.com/questions/12165200/order-of-unordered-python-sets

of unordered Python sets Question from a noob me I understand that sets.. from a noob me I understand that sets in Python are unordered but I'm curious about the 'order' they're displayed in as it..

Fastest way to list all primes below N in python

http://stackoverflow.com/questions/2068372/fastest-way-to-list-all-primes-below-n-in-python

even faster EDIT This code has a flaw Since numbers is an unordered set there is no guarantee that numbers.pop will remove the lowest..

counting combinations and permutations efficiently

http://stackoverflow.com/questions/2096573/counting-combinations-and-permutations-efficiently

range n r 1 n 1 def ncr n r Calculate the number of unordered combinations of r items taken from a population of size n. ncr..

Dimension Reduction in Categorical Data with missing values

http://stackoverflow.com/questions/2837850/dimension-reduction-in-categorical-data-with-missing-values

the independent variables are categorical both ordered and unordered and around thirty percent of the records have missing values..

writing header in csv python with DictWriter

http://stackoverflow.com/questions/2982023/writing-header-in-csv-python-with-dictwriter

argument is required because Python dicts are inherently unordered. Below is an example of how you'd write the header and data..

Items ordering in Python dictionary

http://stackoverflow.com/questions/3127945/items-ordering-in-python-dictionary

share improve this question Dictionaries are unordered containers if you want to preserve order you can use collections.OrderedDict..

Python: sort function breaks in the presence of nan

http://stackoverflow.com/questions/4240050/python-sort-function-breaks-in-the-presence-of-nan

NOT true for floating point values and less than NaN is unordered it is not equal to greater than or less than anything including..

Any way to properly pretty-print ordered dictionaries in Python?

http://stackoverflow.com/questions/4301069/any-way-to-properly-pretty-print-ordered-dictionaries-in-python

here have a way to make it print nicely like the old unordered dictionaries I could probably figure something out possibly..

Why is python ordering my dictionary like so?

http://stackoverflow.com/questions/526125/why-is-python-ordering-my-dictionary-like-so

y x population id description I know that a dictionary is unordered but it comes out the same every time and I've no idea why. .. this question The real question should be œwhy not an unordered dictionary is most probably implemented as a hash table in fact..

Preserve order of attributes when modifying with minidom

http://stackoverflow.com/questions/662624/preserve-order-of-attributes-when-modifying-with-minidom

minidom no the datatype used to store attributes is an unordered dictionary. pxdom can do it though it is considerably slower...

Python group by array a, and summarize array b - Performance

http://stackoverflow.com/questions/7538382/python-group-by-array-a-and-summarize-array-b-performance

by array a and summarize array b Performance Given two unordered arrays of same lengths a and b a 7 3 5 7 5 7 b 0.2 0.1 0.3 0.1..

SimpleJson handling of same named entities

http://stackoverflow.com/questions/7825261/simplejson-handling-of-same-named-entities

4627 that defines application json says An object is an unordered collection of zero or more name value pairs And The names within..

How to efficiently compare two unordered lists (not sets) in Python?

http://stackoverflow.com/questions/7828867/how-to-efficiently-compare-two-unordered-lists-not-sets-in-python

to efficiently compare two unordered lists not sets in Python a 1 2 3 1 2 3 b 3 2 1 3 2 1 a b should..

python dictionary sort by key

http://stackoverflow.com/questions/9001509/python-dictionary-sort-by-key

improve this question Standard Python dictionaries are unordered. Even if you sorted the key value pairs you wouldn't be able..

python set changes element order?

http://stackoverflow.com/questions/9792664/python-set-changes-element-order

python set share improve this question A set is an unordered data structure. Don't use a set but rather collections.OrderedDict..