Data Munging Kata at SWK Berlin

Transcript

1. Data Munging Kata 25 Jan @ idealo
2. Previously on Software Craftsmanship Berlin Last Kata Elephant Carpaccio This Time Data Munging Kata
3. Go Functional Collections a sequence of elements on which one or more operations can be performed Collection transformations - higher order functions intermediate: filter, sort, map -- return stream terminal : match , count, reduce -- return non-stream @ilkezilci
4. Intermediate Stream Operations filter. return only those elements which return true when the function is applied in a stream map. apply a function on each element in a stream to map them to new elements @ilkezilci
5. Terminal Stream Operations reduce. combines all elements of the stream into a single result collect. constructs a collection of the elements of the stream @ilkezilci
6. Data Munging Kata - Part One output the day number (Dy) with the smallest temperature spread (MxT - MnT) http://codekata.com/data/04/weather.dat https://github.com/swkBerlin/kata-bootstraps @ilkezilci
7. Data Munging Kata - Part Two output the name of the team with the smallest difference in ‘for’ and ‘against’ goals http://codekata.com/data/04/football.dat https://github.com/swkBerlin/kata-bootstraps @ilkezilci
8. Share solutions https://github.com/swkBerlin/data-munging-kata/tree/master