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python Programming Glossary: result_listPythonic Way to Create Union of All Values Contained in Multiple Lists http://stackoverflow.com/questions/2151517/pythonic-way-to-create-union-of-all-values-contained-in-multiple-lists # split attribute values by whitespace into lists result_lists list item.getContent .split for item in xml_attribute_nodes.. # find all unique values unique_results for result_list in result_lists for result in result_list if result in unique_results.. # find all unique values unique_results for result_list in result_lists for result in result_list if result in unique_results continue..
http://stackoverflow.com/questions/4098131/matplotlib-update-a-plot list for d in vlgaBuffSorted result d 'event' .append d result_list result.values f Figure graph1 f.add_subplot 211 graph2 f.add_subplot.. 211 graph2 f.add_subplot 212 sharex graph1 for item in result_list tL vgsL vdsL isubL for dict in item tL.append dict 'time' vgsL.append..
Split a list into nested lists on a value http://stackoverflow.com/questions/4322705/split-a-list-into-nested-lists-on-a-value else lists.append else lists 1 .append elem return lists result_list reduce reduce_fun seq # Maybe remove trailing empty list if.. seq # Maybe remove trailing empty list if remove_empty and result_list 1 result_list.pop return result_list cases kabie emile emile_improved.. trailing empty list if remove_empty and result_list 1 result_list.pop return result_list cases kabie emile emile_improved ssplit..
permutations with unique values http://stackoverflow.com/questions/6284396/permutations-with-unique-values listunique 0 u u 1 def perm_unique_helper listunique result_list d if d 0 yield tuple result_list else for i in listunique if.. listunique result_list d if d 0 yield tuple result_list else for i in listunique if i.occurrences 0 result_list d i.value.. result_list else for i in listunique if i.occurrences 0 result_list d i.value i.occurrences 1 for g in perm_unique_helper listunique..
What's the most Pythonic way to identify consecutive duplicates in a list? http://stackoverflow.com/questions/6352425/whats-the-most-pythonic-way-to-identify-consecutive-duplicates-in-a-list way of doing this with a for loop a temp and a counter result_list current source_list 0 count 0 for value in source_list if value.. 0 for value in source_list if value current count 1 else result_list.append current count current value count 1 result_list.append.. result_list.append current count current value count 1 result_list.append current count But I really like python's functional programming..
Python multiprocessing.Pool: when to use apply, apply_async or map? http://stackoverflow.com/questions/8533318/python-multiprocessing-pool-when-to-use-apply-apply-async-or-map as mp import time def foo_pool x time.sleep 2 return x x result_list def log_result result # This is called whenever foo_pool i returns.. # This is called whenever foo_pool i returns a result. # result_list is modified only by the main process not the pool workers. result_list.append.. is modified only by the main process not the pool workers. result_list.append result def apply_async_with_callback pool mp.Pool for..
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