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How to smooth a curve in the right way?
...ort numpy as np
import matplotlib.pyplot as plt
x = np.linspace(0,2*np.pi,100)
y = np.sin(x) + np.random.random(100) * 0.2
yhat = savitzky_golay(y, 51, 3) # window size 51, polynomial order 3
plt.plot(x,y)
plt.plot(x,yhat, color='red')
plt.show()
UPDATE: It has come to my attention that the co...
javascript find and remove object in array based on key value
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Warning - Build path specifies execution environment J2SE-1.4
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SQL JOIN - WHERE clause vs. ON clause
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How to calculate the number of days between two dates? [duplicate]
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const oneDay = 24 * 60 * 60 * 1000; // hours*minutes*seconds*milliseconds
const firstDate = new ...
Circular list iterator in Python
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Use itertools.cycle, that's its exact purpose:
from itertools import cycle
lst = ['a', 'b', ...
Correct way to convert size in bytes to KB, MB, GB in JavaScript
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Why is there no xrange function in Python3?
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Some performance measurements, using timeit instead of trying to do it manually with time.
Fi...
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常用Linux命令详解（持续更新） - 更多技术 - 清泛网 - 专注C/C++及内核技术
...netstat等。一、注销，关机，重启，新建用户、删除用户
1. 注销系统的命令
logout 、exit
这两个命令都可以用来退出当前所登录的服务器，若想再次进入服务器需要重新输入用户名和密码
2．关机或重新启动的命令
shutdown
用来...