python Programming Glossary: nlargest

http://stackoverflow.com/questions/12581437/python-random-sample-with-a-generator

The code I used to time the methods from heapq import nlargest import random import timeit def iterSample iterable samplesize.. iterable samplesize return x for _ x in nlargest samplesize random.random x for x in iterable def iter_sample_fast..

How should I understand the output of dis.dis?

http://stackoverflow.com/questions/12673074/how-should-i-understand-the-output-of-dis-dis

default Aug 13 2012 22 28 10 import dis dis.dis 'heapq.nlargest d 3 ' 1 0 LOAD_NAME 0 heapq 3 LOAD_ATTR 1 nlargest 6 LOAD_NAME.. 'heapq.nlargest d 3 ' 1 0 LOAD_NAME 0 heapq 3 LOAD_ATTR 1 nlargest 6 LOAD_NAME 2 d 9 LOAD_CONST 0 3 12 CALL_FUNCTION 2 15 RETURN_VALUE.. Aug 13 2012 18 25 43 import dis dis.dis compile 'heapq.nlargest d 3 ' ' none ' 'eval' 1 0 LOAD_NAME 0 heapq 3 LOAD_ATTR 1 nlargest..

how to efficiently get the k bigger elements of a list in python

http://stackoverflow.com/questions/2243542/how-to-efficiently-get-the-k-bigger-elements-of-a-list-in-python

performance python share improve this question Use nlargest from heapq module from heapq import nlargest lst 9 1 6 4 2 8.. Use nlargest from heapq module from heapq import nlargest lst 9 1 6 4 2 8 3 7 5 nlargest 3 lst # Gives 9 8 7 You can also.. module from heapq import nlargest lst 9 1 6 4 2 8 3 7 5 nlargest 3 lst # Gives 9 8 7 You can also give a key to nlargest in case..

Filter max 20 values from a list of integers

http://stackoverflow.com/questions/9757289/filter-max-20-values-from-a-list-of-integers

list max share improve this question There's heapq.nlargest maxvalues heapq.nlargest 20 lst From the doc heapq.nlargest.. this question There's heapq.nlargest maxvalues heapq.nlargest 20 lst From the doc heapq.nlargest n iterable key None Return.. maxvalues heapq.nlargest 20 lst From the doc heapq.nlargest n iterable key None Return a list with the n largest elements..