Nowadays no need to memorise the projects or code itself. Simply search online for solutions on quality websites e.g: stackoverflow.com
however avoid automatically generated AI blog posts as usually untested in the real world so can waste a lot of your time.

The good news is that learning to code from scratch like in the old days is no longer required as you can get much of it automated for you as a starting point e.g
GitHub Co Pilot
ChatGPT Coding in canvas