How to Read my notes

First of all, these notes are made primarily for me.
In case you want to read my notes, you need to understand that
1. there are lots of my thoughts and ideas involved, and
2. it's always better to check the official document. I myself, also try to do so if possible. I usually reference blogs when I didn't understand completely after reading official documents. The referenced blogs are there to help me.
If you have any question, objection, found mistakes or errors, please be a good samaritian and let me know.
Enjoy!