Summarized notes on user stories (@ programming made easy) Agile Programming “If a user story includes an implementation detail then it isn’t a user story” — Tweet by Steve Bishop User Stories should be: User-Focused, Vertically Sliced, Describe Value, INVEST (Acronym for): Independent, Negotiable, Value, Estimable( Complexity not Time), Small…

Ruby symbols & strings Strings are used for the Data while the Symbols are used as Identifiers. Symbols One of the most common uses of the symbols is to represent methods and instance variable names. :symbol_name #syntax hash = {a: 1, b: 2, c: 3} #can be used as hash keys A symbol is immutable, increases the speed, and has unique object id.. (reference) Symbols are not a pointer to values, they are values themselves