The video I posted is a talk by someone who wrote and published a textbook in LateX with Julia. They did this with the julia code being run as the book is compiled.
Also this topic has been discussed here: What do you use to embed Julia code in LaTeX?
This is also excellent if you with to produce talk slides with julia code embeded: GitHub - mossr/julia-tufte-beamer: Tufte-style beamer template with Julia integration