Notes on numerically solving diffusion equations.

Read more   2018/1/7 14:46 PM posted in  Numerical

Notes on reverse SSH tunnel: Connect to servers behind NATs and firewalls through publicly available middle server

In some cases, the servers you use in office/school may be behind some NAT or firewall so that you can not access these servers from the external internet. This can be inconvenient sometimes. A simple walkaround of this problem is reverse SSH tunneling. For all Unix like systems(e.g. Linux, MacOS), this just works fine.

Read more   2018/1/7 2:36 AM posted in  Hacker's

Slack webhooks for dummies: a beginer's guide to making your own slack bots using Python

Read more   2018/1/7 2:32 AM posted in  Hacker's

Some notes on the use of "sed" command for text processing automation

Read more   2018/1/7 2:30 AM posted in  Hacker's

Markdown syntax guide full version

Read more   2018/1/7 2:8 AM posted in  Hacker's