DiffList: Difference lists in Elixir Polymorphism in Elixir

Export data to XLSX with Phoenix 1.2

A little post about how to export data to XLSX in Phoenix application: https://medium.com/@SergeyChechaev/elixir-phoenix-everyday-tips-create-xlsx-66cd70268eb4#.c54c5yrhu

ElixirWeekly: The Elixir Community Newsletter, covering community news you easily miss, shared on ElixirStatus and the web, in one email every Thursday.