I want to find an optimal method to process very large ordered lists of integers eg. biglist = [45, 34, 2, 78, 7, 9, 10, 33, 78, 51, 99, 24, 88, ... N] where N > 1m
For example, I have a data frame with data across categories and subcategories and I want to be able to get row with maximum value in a particular column etc.
conn_request, weights = zip(*[ ((conn, request), request[2]) for conn in unchoked_conns for request in conn.peer_requests
I have some text manipulation to do, here开发者_运维问答\'s a for loop that does it: for p in paras[:]:
I have to append elements to a list only if the current iterated element is not already in the list. >>> l = [1, 2]
Is it possible to do LC like in python and other languages bu开发者_Python百科t only using BASH constructs?
Before I say a word, let me thank the community for being the authoritative location for my programming queries as of recent. And pretend those compliments weren\'t expressed using words. Anyway, the
I am trying to create a dictionary from a csv file. The first column of the csv file contains unique keys and the second column contains values. Each row of the csv file represents a uniqu开发者_如何学
Input is a string, the idea is to count the letters A-z only, and print them alphabeticall开发者_如何转开发y with the count of appearances.
Working through Learn You a Haskell For Great Good, in the chapter on higher-order functions the author walks through an implementation of a few different library functions. When coming to t开发者_运维