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How to convert a string to utf-8 in Python
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How to get HTTP Response Code using Selenium WebDriver
...response":{"headers":{"Accept-Ranges":"bytes","Keep-Alive":"timeout=4, max=100","Cache-Control":"max-age=300","Server":"Apache/2.2.22 (Ubuntu)","Connection":"Keep-Alive","Content-Encoding":"gzip","Vary":"Accept-Encoding","Expires":"Tue, 11 Oct 2016 14:13:47 GMT","Content-Length":"1957","Date":"Tue, ...
Compute a confidence interval from sample data
...mean.
This assumes the sample size is big enough (let's say more than ~100 points) in order to use the standard normal distribution rather than the student's t distribution to compute the z value.
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MQTT物联网协议完全实践指南 · App Inventor 2 中文网
...tem to TemperatureValues value
// 限制数据点数量（保留最近100个点）
if length of TemperatureTimestamps > 100 then
remove list item at position 1 from TemperatureTimestamps
remove list item at position 1 from TemperatureValues
end if
// 更新图表显...
Get a random boolean in python?
...tter
$ python -m timeit -s "import random" "random.choice([True, False])"
1000000 loops, best of 3: 0.904 usec per loop
$ python -m timeit -s "import random" "random.choice((True, False))"
1000000 loops, best of 3: 0.846 usec per loop
$ python -m timeit -s "import random" "random.getrandbits(1)"
1...
Rename a git submodule
...ble release, for at least some... hours ;) github.com/git/git/releases/tag/v1.8.5
– VonC
Nov 29 '13 at 6:16
I had to b...
Why does GCC generate such radically different assembly for nearly the same C code?
...ng:
for(ra=0;ra<20;ra++) dummy(ra);
It produced somewhere between 60-100 lines of assembler. It unrolled the loop. I didn't count the lines, if you think about it, it has to add, copy the result to the input to the function call, make the function call, three operations minimum. so dependin...
Remove all occurrences of a value from a list?
...
Consider x = [1] * 10000 + [2] * 1000. The loop body executes 1000 times and .remove() has to skip 10000 elements every time it's invoked. That smells like O(n*n) to me but is no proof. I think the proof would be to assume that the number of 2s...
CSS Progress Circle [closed]
...e ones I have been able to found show animated circles that go to the full 100%.
4 Answers
...
When to use IMG vs. CSS background-image?
...t;</div>
...and CSS:
#headerImage {
width: 200px;
height: 100px;
background: url(Images/headerImage.png) no-repeat;
}
A few days later, you change the location of the image. All you have to do is update the CSS:
#headerImage {
width: 200px;
height: 100px;
backgrou...