https://towardsdatascience.com/embedding-machine-learning-models-to-web-apps-part-1-6ab7b55ee428

https://www.manning.com/books/exploring-data-with-python

https://www.citusdata.com/blog/2018/06/01/fun-with-sql-window-functions-in-postgresql/

https://lispcast.com/avoid-naming-at-all-costs/