Tag: #performance
How to find a memory bloat in your Rails app before it happens
How to detect a possible memory bloat in Rails before it starts being a problem
Building complex reports for your own DVD rental shop using PostgreSQL window functions
How to use window functions in PostgreSQL: rank, dense_rank, row_number, sum and lag
How to GraphQL with Ruby, Rails, Active Record, and no N+1
Pulling the trigger: How to update counter caches in your Rails app without Active Record callbacks