some interesting websites:
- UCB EECS
- MIT OCW
- libgen
- Stack Overflow
- codeforces
- drawio
- coursera
- fpga4fun
- HDLBits
- wolframalpha
- cpp reference
- computer history museum
- regex visualization
- learn git
- riscv quick doc
- bithacks
- Linux x86 Program Start Up
- lazyfoo (Chinese ver)
- freevga
- nesdev
- rust book chinese ver
- COMPILER, ASSEMBLER, LINKER AND LOADER: A BRIEF STORY
- SDL API
- SDL reference
- libsdl
- rust course
- rust tour
- rust play
- annas-archive