Detailed Supporting Technology Questions

Why would you use SCSS instead of CSS?
  SCSS is cleaner, you can specify elements very specifically and whether they're contained in other elements
  Easier to make a more uniform styling for an app
  Nesting
  SCSS is a bonus, css still works
  You can assign variables and use those throughout your style
  You can import files and make a mixin to make groups of CSS declarations that you want to reuse throughout your site

Why would you use JSON instead of HTML?
  JSON is nuts and bolts, easier for a computer to read the info
  Better for APIs

What is the difference between JQuery and Javascript?
  JQuery is a library or framework built on top of Javascript


Big Picture Questions

What do you think about Angular and Ember? Which one seems better to you?
  These are MVC javascript frameworks
  Backbone is not MVC, the simplist thing you can call a js framework, but you have to bring a lot of your own js knowledge
  Angular and Ember are more structured -- Ember does a lot, but you have to follow the rules
  Not object-oriented
  Differences: Angular is more common
    Ember was developed by Matz

Have you used any NoSQL databases? Do you think they're useful when developing Rails apps?
  NoSQL is more for enterprise apps
  Postgres, mysql, sqlite (comes with rails)
  NoSQL is useful when you already know the exact questions you're going to ask your database