9 Reasons Why There Are No Foreign Keys in Your Database (Referential Integrity Checks) (dataedo.com)
Be good at one thing, not average at everything (dev.to)"Start small, think big. Don’t worry about too many things at once. Take a handful of simple things to begin with, and then progress to more complex ones."
Forget counter cache for many-to-many associations in Rails (Example) (coderwall.com)Counter Cache in Many-Many Associations
How my friends and I grew our side project into a $17,000/month business (medium.freecodecamp.org)Don’t look to be the next Facebook. Try to solve a real problem instead.