Directory Tree
.
|---- Android // Android Platform, both apps and native framework
|---- proramming_lang
| |---- jvm_lang // JVM Platform: Java, kotlin, scala, etc.
| |---- scripting_lang // Scripts: Shell, Perl, Python, etc.
| `---- web // Web Dev
|---- tools
| |---- cheatsheet // cheat sheets
| |---- manual // manual books
| |---- specs // standard specs
| `---- vsc // version control system
|---- LICENSE
`---- README.md