Intro to background Jobs

Background jobs are used a lot in production. At first, the concept may seem complex or unclear why we are using it. So without a lengthy introduction let’s jump into action with a simple example.

Common Hash issue

Did you get RuntimeError: can't add a new key into hash during iteration error?

Rename an ActiveRecord model

Choosing a good name for a class or a variable isn’t easy at all and sometimes there is a requirement to rename existing tables and models to match the updated product audience.