It wasn't mission critical but my very first production programming project (n.b. I'm not a programmer and never had any classical training or education as one)

It wasn't mission critical but my very first production programming project (n.b. I'm not a programmer and never had any classical training or education as one) was an abomination. I'd like to think the realisation of how bad it was, despite it just about working, was a call to arms to up my game a little. I ended up learning a lot about data structures, writing understandable code and comment, when not to write code, all that OOP stuff and things like STI, Generics (still not sure what they are), testing (TDD AND BDD!!! Yea, Cucumber!) and a plethora of other useful things. I'm still not a programmer.