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..
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