KJF questions

• Find all records that were created on a specific day of the week
• Ruby sort based on predefined list
• Rails 3 and fields_for with activemodel (tableless) object
• Find all posts with more than a defined number of comments
• ActiveRecord syntax for finding all items with an average rating of x or greater when using a join
• Linking new users signed in via Facebook connect to existing accounts
• Find all objects with broken association
• Dynamic CMS like routes in ruby on rails
• Force html table into single stacked column using only css and no javascript
• Rails page caching and flash messages

KJF answers