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Unpacking a list / tuple of pairs into two lists / tuples [duplicate]
...list = ('1','a'),('2','b'),('3','c'),('4','d')
>>> list1, list2 = zip(*source_list)
>>> list1
('1', '2', '3', '4')
>>> list2
('a', 'b', 'c', 'd')
Edit: Note that zip(*iterable) is its own inverse:
>>> list(source_list) == zip(*zip(*source_list))
True
When unp...
What is the difference between tar and zip? [closed]
What is the difference between tar and zip? What are the use cases for each?
1 Answer
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PHP 安装 ZIP 扩展 - 更多技术 - 清泛网 - 专注C/C++及内核技术
PHP 安装 ZIP 扩展php_zip_extension一、安装libzipcd usr local srcwget https: libzip org download libzip-1 3 2 tar gztar zxf libzip-1 3 2 tar gzcd libzip-1 3 2 configuremake && make install如 一、安装libzip
cd /usr/local/src
wget https://libzip.org/download/libzip-1.3.2.tar.gz
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How to check if running in Cygwin, Mac or Linux?
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(SCO) UnixWare UnixWare
IBM AIX AIX
IBM i with QSH OS400
HP-UX HP-UX
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Iterating over every two elements in a list
...se() (or grouped()) implementation.
For Python 2:
from itertools import izip
def pairwise(iterable):
"s -> (s0, s1), (s2, s3), (s4, s5), ..."
a = iter(iterable)
return izip(a, a)
for x, y in pairwise(l):
print "%d + %d = %d" % (x, y, x + y)
Or, more generally:
from itertools...
how to return index of a sorted list? [duplicate]
...d do:
L = [2,3,1,4,5]
from operator import itemgetter
indices, L_sorted = zip(*sorted(enumerate(L), key=itemgetter(1)))
list(L_sorted)
>>> [1, 2, 3, 4, 5]
list(indices)
>>> [2, 0, 1, 3, 4]
Or, for Python <2.4 (no itemgetter or sorted):
temp = [(v,i) for i,v in enumerate(L)]
...
创业公司如何实施敏捷开发 - 资讯 - 清泛网 - 专注C/C++及内核技术
...始我们两个开发，这个时候只要两个人就能够很好的合作把产品开发出来，不需要什么模式。随着人员的扩充，团队间如何协作按时按质按量完成任务就需要好好思考下了。
尝试一，传统软件开发模式。整个过程为 需求分析、...
How to extract the n-th elements from a list of tuples?
...
This also works:
zip(*elements)[1]
(I am mainly posting this, to prove to myself that I have groked zip...)
See it in action:
>>> help(zip)
Help on built-in function zip in module builtin:
zip(...)
zip(seq1 [, seq2...
Socket send函数和recv函数详解以及利用select()函数来进行指定时间的阻塞 ...
... 是否正在发送s的发送缓冲中的数据，如果是就等待协议把数据发送完，如果协议还没有开始发送s的发送缓冲中的数据或者s的发送缓冲中没有数据，那么 send就比较s的发送缓冲区的剩余空间和len，如果len大于剩余空间大小send就...
Add SUM of values of two LISTS into new LIST
...
The zip function is useful here, used with a list comprehension.
[x + y for x, y in zip(first, second)]
If you have a list of lists (instead of just two lists):
lists_of_lists = [[1, 2, 3], [4, 5, 6]]
[sum(x) for x in zip(*li...