interview questions

canditate questions

1. why does this role exist? new project? replacing someone?
2. how can i kick ass at this job?

interview questions:

rails

• what are the 7 controller actions you get when generating a scaffold?

  index, show, new, create, edit, update, destroy

what generator would you use if you want all the routes generated but none of the controller actions? > rails g resource

general

• do you know what the n+1 bug is?

  lazy-loading of a collection can cause n+1 db queries when you ask for child objects in a loop fix with eager-loading using includes: Article.includes(:authors)