ALT # Ruby/Rails anti-patterns series # Pattern 19 # Embracing RESTfulness

ALT dependency injection example: # Ruby/Rails anti-patterns series # Pattern 18 # Dependency injection class SalesReport def report @reporter = Reporter.new(@sales) # Logic to generate report end end # change to class SalesReport def initialize(reporter) @reporter = reporter end def report # Logic to generate report end end

ALT # Shortcut for sprintf name = "world" "Hello %s" % name # "Hello world" "PI: %.2f" % Math::PI # "PI: 3.14"

ALT # Shortcut for Array#join ["First", "Second", "Third"].join(", ") # "First, Second, Third" ["First", "Second", "Third"] * ", " # "First, Second, Third"

ALT testing private methods

ALT Async the long-running blocking code