python-itertools

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Combinatorial optimisation of a distance metric

I have a set of trajectories, made up of points along the trajectory, and with the coordinates associated with each point. I store these in a 3d array ( traj开发者_StackOverflow社区ectory, point, para[详细]

2022-12-30 09:29 分类：问答
Is there a neater way to get the first occurrence of something?

开发者_运维技巧I have a list which contains a number of things: lista = [\'a\', \'b\', \'foo\', \'c\', \'d\', \'e\', \'bar\'][详细]

2022-12-29 05:59 分类：问答
efficient list mapping in python

I have the following input: input = [(dog, dog, cat, mouse), (cat, ruby, python, mouse)] and trying to have the following ou开发者_StackOverflow中文版tput:[详细]

2022-12-28 23:48 分类：问答
How can I use python itertools.groupby() to group a list of strings by their first character?

I have a list of strings similar to this list: tags = (\'apples\', \'apricots\', \'oranges\', \'pears\', \'peaches\')[详细]

2022-12-24 11:34 分类：问答
What is the best approach to use different CFLAGS for the same source files?

i need to build the same source tree twice, 1 - with normal cflags to build the project binary 2 - with cflags plus -fPIC to build a开发者_JAVA百科 static library that would be some sort of SDK to d[详细]

2022-12-24 08:34 分类：问答
How to give extra arguments for the Python itertools.ifilter function?

In python I have the following function:开发者_运维百科 def is_a_nice_element(element, parameter):[详细]

2022-12-23 19:31 分类：问答
公主的天桥 Princess' Runway？

000本歌曲为纯开发者_开发知识库音乐，请您欣赏。[详细]

2022-12-23 13:20 分类：问答
Working with itertools.product and lists in python 3

I\'m trying to create a possible list of codons given a protein sequence. Basically, the script i\'m trying to create will process a given string input and outputs a possible combinations of another[详细]

2022-12-20 22:30 分类：问答
PyObjC + Xcode 3.2 + Non-Apple Python

I want to get started trying to develop a few simple applications with PyObjC. I installed PyObjC and the Xcode templates. I know that PyObjC itself works, since I\'ve run this script successfully. Wh[详细]

2022-12-19 19:39 分类：问答
where is the 'itertools' file

import itertools print itertools#ok the code is ok but i can\'t find the itertools file. who can tell me where is the \'itertools file\'[详细]

2022-12-16 01:01 分类：问答