python Programming Glossary: bisect

http://stackoverflow.com/questions/12128948/python-random-lines-from-subfolders

and read these from your files import random import bisect tasks list range total_lines task_indices random.sample tasks.. # find the closest file index file_index offsets bisect.bisect offsets index 1 path file_indices file_index curr_line.. # find the closest file index file_index offsets bisect.bisect offsets index 1 path file_indices file_index curr_line file_index..

Weighted random sample in python

http://stackoverflow.com/questions/13047806/weighted-random-sample-in-python

based on random.sample and O log n __getitem__ import bisect import random from collections import Counter Sequence def weighted_sample.. not 0 i len self raise IndexError i return self.population bisect.bisect self.cumweights i Example total Counter for _ in range.. len self raise IndexError i return self.population bisect.bisect self.cumweights i Example total Counter for _ in range 1000..

Key-ordered dict in python

http://stackoverflow.com/questions/1319763/key-ordered-dict-in-python

dict and a list of keys keeping the last one ordered with bisect and insert. Any better idea python data structures collections..

Django: python manage.py runserver gives RuntimeError: maximum recursion depth exceeded in cmp

http://stackoverflow.com/questions/16259729/django-python-manage-py-runserver-gives-runtimeerror-maximum-recursion-depth-e

options.py line 179 in add_field self.local_fields.insert bisect self.local_fields field field File System Library Frameworks..

Binary Search in Python

http://stackoverflow.com/questions/212358/binary-search-in-python

found and 'False' 1 None etc. if not I found the functions bisect_left right in the bisect module but they still return a position.. etc. if not I found the functions bisect_left right in the bisect module but they still return a position even if the item is.. or not don't want to insert anything . I thought of using bisect_left and then checking if the item at that position is equal..

Python's standard library - is there a module for balanced binary tree?

http://stackoverflow.com/questions/2298165/pythons-standard-library-is-there-a-module-for-balanced-binary-tree

is all you need and your data are already sorted the bisect module provides a binary search algorithm for lists. Mike DeSimone..

Return a list of imported Python modules used in a script?

http://stackoverflow.com/questions/2572582/return-a-list-of-imported-python-modules-used-in-a-script

operator array select _heapq _threading_local abc _bisect posixpath _random os2emxpath tempfile errno pprint binascii.. copy bdb types strop _functools keyword thread StringIO bisect pickle signal traceback difflib marshal linecache itertools..

Memory Efficient Alternatives to Python Dictionaries

http://stackoverflow.com/questions/327223/memory-efficient-alternatives-to-python-dictionaries

written the code to look up values from this structure use bisect as mentioned below or implemented the fancier compressed structures.. space separated concatenation of words searched using the bisect module should be worth trying for a start. This saves space..

Python binary search-like function to find first number in sorted list greater than a specific value

http://stackoverflow.com/questions/3556496/python-binary-search-like-function-to-find-first-number-in-sorted-list-greater-t

search share improve this question Have you tried the bisect module def find_ge a key '''Find smallest item greater than.. If multiple keys are equal return the leftmost. ''' i bisect_left a key if i len a raise ValueError 'No item found with key..

Textually diffing JSON

http://stackoverflow.com/questions/4599456/textually-diffing-json

USA import os import sys import time import difflib from bisect import bisect __all__ 'PatienceSequenceMatcher' 'unified_diff'.. import sys import time import difflib from bisect import bisect __all__ 'PatienceSequenceMatcher' 'unified_diff' 'unified_diff_files'.. k apos and k len stacks 1 or stacks k 1 apos k 1 else k bisect stacks apos if k 0 backpointers bpos lasts k 1 if k len stacks..

In Python, how do you find the index of the first value greater than a threshold in a sorted list?

http://stackoverflow.com/questions/7281760/in-python-how-do-you-find-the-index-of-the-first-value-greater-than-a-threshold

experienced SOers can help Thanks python algorithm search bisection share improve this question Have a look at bisect . import.. bisection share improve this question Have a look at bisect . import bisect l 1 4 9 16 25 36 49 64 81 100 bisect.bisect.. improve this question Have a look at bisect . import bisect l 1 4 9 16 25 36 49 64 81 100 bisect.bisect l 55 # returns 7..

Hash a Range of Values

http://stackoverflow.com/questions/9043172/hash-a-range-of-values

that's O log N not O 1 with something along the lines of a bisection search through a sorted list. The easiest way to do this.. list. The easiest way to do this in Python is with the bisect standard module http docs.python.org library bisect.html . Note.. the bisect standard module http docs.python.org library bisect.html . Note in particular the example in section 8.5.2 there..