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1 — Scala Exercises @raulraja @47deg V2
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What is it?
A browser tool to learn Scala and its coolest libs
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A bit of History
> @rafaparadela JS POC for the @47deg labs
> V1 Went Live on March 2nd, 2015
> Focused on porting Scala Koans to the web
> Social component
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V1 Limitations
> Serverless
> "Evaluation" constrained to exact string matches
> Can't track user progress across devices
> Can't parse or evaluate more complex exercises
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V1 Stats
> 63K sessions
> 40% Returning
> 180 PRs
> 50 Contributors
> 1 section completed per visit
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WHAT'S NEW IN
V2?
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Libs at a glance
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Overall Progress
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Lib Progress
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Write Exercises with Code!
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Write Exercises with Code!
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Write Exercises with Code!
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Write Exercises with Code!
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Write Exercises with Code!
Real evaluation of exercises
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Contributors are properly credited
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Exercises Compiler Architecture
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Technologies
> Client [ScalaJS, Cats]
> Server [Play, Cats, Doobie]
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Client Architecture
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Backend Architecture
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Backend Architecture
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Backend Architecture
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Backend Architecture
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Backend Architecture
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Free Monads!
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Free Monadas Libres!
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Warning! V2 is under Heavy Development!
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Actively working on...
> Improved evaluation / Fork evaluation (Finch)
> Support for block style exercises (Ex : Implement a
type class)
> Docs, contribution guide...
> Splitting into multiple repositories
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What would be coming next?
> Allow Github organizations ?
> Support other Exercises Format
> Top level domain / org
> It really is entirely up to you!
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Thanks!
@raulraja
@47deg
> Github : https://github.com/47deg/scala-exercises
> Deck: https://github.com/47deg/scala-exercises-v2-
deck
> V1: http://scala-exercises.47deg.com
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