big O poster

http://bigocheatsheet.com/

Blind typing training online - typingclub.com GOOD RESOURCE

https://www.typingclub.com

typing games:
http://www.typingstudy.com/

MIT Open Courseware - GREAT COURSE RESOURCE!!!!

Publicly available MIT lectures (videos, notes, assignments)

https://ocw.mit.edu/courses/electrical-engineering-and-computer-science

very good book series Syncfusion Succinctly

https://www.syncfusion.com/resources/techportal/ebooks
https://www.syncfusion.com/resources/techportal/details/ebooks/Reactjs_Succinctly

List of recommended youtube channels from ycombinator

https://news.ycombinator.com/item?id=12702651