CA intermediate ssl certificate

 https://www.thesslstore.com/blog/root-certificates-intermediate/

https://aboutssl.org/install-ssl-certificate-on-lighttpd-server/

斐波那契數列 Dynamic Programming

 

斐波那契數列 

Dynamic Programming

https://ithelp.ithome.com.tw/articles/10271832

Mutual Information Python

 

https://www.codeleading.com/article/31721058116/

1. from sklearn import metrics as mr
2. from scipy.misc import imread
3. import numpy as np
5. img1 = imread('1.jpg')
6. img2 = imread('2.jpg')
8. img2 = np.resize(img2, (img1.shape[0], img1.shape[1], img1.shape[2]))
10. img1 = np.reshape(img1, -1)
11. img2 = np.reshape(img2, -1)
12. print(img2.shape)
13. print(img1.shape)
14. mutual_infor = mr.mutual_info_score(img1, img2)
16. print(mutual_infor)

Python metrics.mutual_info_score方法代碼示例

https://vimsky.com/zh-tw/examples/detail/python-method-sklearn.metrics.mutual_info_score.html

linux c function

 https://dylan237.github.io/linux-basic.html

alias rm

  alias rm='DIR=/tmp/trash/rm`date +%F%T`;mkdir $DIR;mv -t $DIR'

nRF52840

 https://www.nordicsemi.com/Products/nRF52840

Win11 螢幕蓋上 省電

 powercfg -h off

 

recvmsg和sendmsg函数

SCM_RIGHTS

https://blog.csdn.net/u014209688/article/details/71311973

http://blog.chinaunix.net/uid-20937170-id-4247670.html

 

AF_INET域与AF_UNIX域socket通信原理对比

https://blog.csdn.net/sandware/article/details/40923491

Load average

 Load average 

https://zhuanlan.zhihu.com/p/75975041 

Linux Load Averages：什么是平均负载？

https://link.zhihu.com/?target=http%3A//www.brendangregg.com/blog/2017-08-08/linux-load-averages.html