Here is a page for sharing what we learned (the hard way) with future classes.

Ideas for pages - Turn it into a link if you have something to add!

Ruby

• Symbols
• Blocks
• (Array of length 0) != (nil). We had this problem when checking to see if there was an Activerecord element matching certain conditions by doing a find query and trying to check the result.

Rails

• Routes
• Rspecs
• Should this be plural or singular?
• Migrations
• urlhelper
• FormHelper
• HABTM & has many :through
• params passing between controller, views