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python Programming Glossary: collections

Python list doesn't reflect variable change

http://stackoverflow.com/questions/12080552/python-list-doesnt-reflect-variable-change

in python such as dict set tuple etc. are simply collections of threads too. Some of these can have their threads swapped..

Convert Python dict to object?

http://stackoverflow.com/questions/1305532/convert-python-dict-to-object

the namedtuple data structure suits your needs from collections import namedtuple MyStruct namedtuple 'MyStruct' 'a b d' s MyStruct..

Differences between isinstance() and type() in python

http://stackoverflow.com/questions/1549801/differences-between-isinstance-and-type-in-python

see here . In both versions standard library module collections that's the 3.1 version for the very similar 2.6 version see..

python: list vs tuple, when to use each?

http://stackoverflow.com/questions/1708510/python-list-vs-tuple-when-to-use-each

also a strong culture of tuples being for heterogenous collections similar to what you'd use struct s for in C and lists being.. you'd use struct s for in C and lists being for homogenous collections similar to what you'd use arrays for. But I've never quite squared..

In Python, how do I determine if an object is iterable?

http://stackoverflow.com/questions/1952464/in-python-how-do-i-determine-if-an-object-is-iterable

except TypeError print my_object 'is not iterable' The collections module provides some abstract base classes which allow to ask.. they provide particular functionality for example import collections if isinstance e collections.Iterable # e is iterable share..

Python - Is a dictionary slow to find frequency of each character?

http://stackoverflow.com/questions/2522152/python-is-a-dictionary-slow-to-find-frequency-of-each-character

the fastest method UPDATE there is no increase in speed if collections and integers are used. It is because the algorithm is already.. is possible. For example results for 1MB text without collections real 0m0.695s with collections real 0m0.625s python algorithm.. for 1MB text without collections real 0m0.695s with collections real 0m0.625s python algorithm probability frequency share..

What are “named tuples” in Python?

http://stackoverflow.com/questions/2970608/what-are-named-tuples-in-python

pt2 1 2 Using a named tuple it becomes more readable from collections import namedtuple Point namedtuple 'Point' 'x y' pt1 Point 1.0..

Stop reading process output in Python without hang?

http://stackoverflow.com/questions/4417962/stop-reading-process-output-in-python-without-hang

the required number of the last lines in a queue import collections import subprocess import time import threading def read_output.. lines of the process output number_of_lines 200 q collections.deque maxlen number_of_lines # atomic .append t threading.Thread.. subprocess module. Based on @Alex Martelli's answer import collections import signal import subprocess class Alarm Exception pass def..

Best way to check if a list is empty

http://stackoverflow.com/questions/53513/best-way-to-check-if-a-list-is-empty

following a How do I check to see if a is empty python collections list tuples share improve this question if not a print List..

Python @property versus getters and setters

http://stackoverflow.com/questions/6618002/python-property-versus-getters-and-setters

python dictionary sort by key

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

order in which the elements have been inserted In 1 import collections In 2 d 2 3 1 89 4 5 3 0 In 3 od collections.OrderedDict sorted.. In 1 import collections In 2 d 2 3 1 89 4 5 3 0 In 3 od collections.OrderedDict sorted d.items In 4 od Out 4 OrderedDict 1 89 2..

Python: simple list merging based on intersections

http://stackoverflow.com/questions/9110837/python-simple-list-merging-based-on-intersections

networkx.connected_components g # agf's optimized from collections import deque def merge_agf_optimized lists sets deque set lst..