How to SSH to a VirtualBox guest externally through a host

https://stackoverflow.com/questions/5906441/how-to-ssh-to-a-virtualbox-guest-externally-through-a-host

 

VirtualBox lab: Port Forwarding 

python rq

http://blog.stefsy.com/task-queues/

http://www.boredhackerblog.info/2017/01/python-rq-example.html

http://python-rq.org/

https://www.fullstackpython.com/redis-queue-rq.html

https://superuser.com/questions/504892/how-do-i-restart-redis-that-i-installed-with-brew

基于 spiped 建立一个安全的 Redis 集群

Redis Security

SSH keys

 https://help.github.com/articles/generating-a-new-ssh-key-and-adding-it-to-the-ssh-agent/

https://wiki.archlinux.org/index.php/SSH_keys_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)


http://roclinux.cn/?p=2551

Python GIS

Comp.Graphics.Algorithms Frequently Asked Questions

http://web.archive.org/web/20110410051750/http://www.exaflop.org/docs/cgafaq/

https://github.com/Toblerity/Fiona

https://github.com/Toblerity/Shapely

tkinter和matplotlib在mac下的一个问题

http://blog.csdn.net/vincent2610/article/details/68062034
在mac python中，将matplotlib嵌入Tkinter时出现错误

解决方法

import matplotlib
matplotlib.use("TkAgg")

在import matplotlib后紧接着的下一行写上matplotlib.use("TkAgg") 

注意是紧接着的下一行，

并且保证这两句写在import matplotlib.pyplot as plt的前面 

LaTeX/Mathematics

https://en.wikibooks.org/wiki/LaTeX/Mathematics

Python正则表达式

搞不懂