This site has been closed because of A-801.
If you'd like see notes on programming and computing, you can check mmap.page (for English notes) and mmap.page/dapi/ (for Chinese notes).
Permission to use, copy, modify, and/or distribute this site for any purpose with or without fee is hereby granted.
This site is provided "as is" without express or implied warranty.
The hosting service provider (GitHub Pages) probably collects server logs,
but I do not have access to them.
Site source is available
and feedback is welcome.