Session 3 + Arrays, iterating
name can be a variable, a Constant, (an @instance variable, a @@class variable, $global) http://rubylearning.com/satishtalim/ruby_names.html
adding numbers string interpolation
(methods puts)
sinatra: returns last expression in the block to the web browser, url matching, getting param from url, string interpolation deploying?
SESSION2
conditionals sinatra templates? (only showing values) form submissions? (with validations?) - example of a function?? FOAAS ?? / text-based game
SESSION3
collections & iterating providing the contents of a file? similar to sinatra3?
SESSION4
hashes - explaining params, building an api?