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Finding a substring within a list in Python [duplicate]
...ut consider this example:
import timeit
mylist = ['abc123'] + ['xyz123']*1000
sub = 'abc'
timeit.timeit('[s for s in mylist if sub in s]', setup='from __main__ import mylist, sub', number=100000)
# for me 7.949463844299316 with Python 2.7, 8.568840944994008 with Python 3.4
timeit.timeit('next((s ...
Arduino 101 实验04 - 温湿度传感器，做一块环境看板 · App Inventor 2 中文网
... 搜索 Arduino 101 实验04 - 温湿度传感器，做一块环境看板
实验04：温湿度环境看板
这个实验做完你会得到什么
一、器材清单
二、接线
...
App Inventor 2 高频定时器教程 - 实现10ms级精确定时 · App Inventor 2 中文网
... App Inventor 2 高频定时器教程 - 实现10ms级精确定时
问题描述
Clock组件精度
TimerInterval最小值
为什么无法精确10ms？
实测数据
最高频率采样方案
...
How can I display a list view in an Android Alert Dialog?
...
Adam Varhegyi
13.6k3030 gold badges101101 silver badges190190 bronze badges
answered Apr 2 '13 at 11:29
karan singh rajpootkaran singh r...
JavaScript function similar to Python range()
...ay:
range(4) returns [0, 1, 2, 3],
range(3,6) returns [3, 4, 5],
range(0,10,2) returns [0, 2, 4, 6, 8],
range(10,0,-1) returns [10, 9, 8, 7, 6, 5, 4, 3, 2, 1],
range(8,2,-2) returns [8, 6, 4],
range(8,2) returns [],
range(8,2,2) returns [],
range(1,5,-1) returns [],
range(1,5,-2) returns [],
and...
Chrome, Javascript, window.open in new tab
...rowser instance, instead of a new tab:
window.open('page.php', '', 'width=1000');
The following would qualify as a user-initiated event, even though it calls another function:
function o(){
window.open('page.php');
}
$('button').addEvent('click', o);
The following would not qualify as a user...
How to tell if a tag failed to load
...iodeus - James MacFarlaneDiodeus - James MacFarlane
105k2929 gold badges144144 silver badges171171 bronze badges
...
How to call C from Swift?
...
106
Yes, you can of course interact with Apples C libraries. Here is explained how.
Basically, th...
Multi-line regex support in Vim
... been doing (.|\n)*
– ojrac
May 25 '10 at 1:23
2
What does the forward slash in the :h /\_. do? I...