O'Reilly now has an entire learning path on Kotlin for data science https://www.safaribooksonline.com/learning-paths/learning-path-production-ready/9781491998229/

https://medium.com/@dumazy/writing-dsls-in-kotlin-part-2-cd9dcd0c4715 Second part of Writing DSLs in Kotlin. I've included an example how a DSL can to simplify GsonBuilder. Feel free to comment in a thread or on the Medium article

New part of Kotlin Programmer Dictionary: Implicit receiver vs explicit receiver by @igor.wojda https://blog.kotlin-academy.com/programmer-dictionary-implicit-receiver-vs-explicit-receiver-da638de31f3c

Anybody else doing Advent of Code?

https://try.kotlinlang.org/ has a folder for Advent of Code (which is awesome!) I'll probably work through some there.

javalin 1.2.0 is out, with support for custom jetty handlers: https://javalin.io/news/2017/12/02/javalin-1.2.0-released.html

My new article about important lessons from my first multiplatform Kotlin project. Now with clients in Android, React and TornadoFX but soon other clients will be implemented too 😄 https://medium.com/@marcinmoskala/lessons-from-my-first-multiplatform-kotlin-project-d4e311f15874

An embedded nosql database library in kotlin

My 3rd article that completes receiver "miniseries" is ready. Check it out at Kotlin Academy: https://blog.kotlin-academy.com/programmer-dictionary-extension-receiver-vs-dispatch-receiver-cd154e57e277

December Headline: Kotlin and C candidates for programming language of the year The programming languages Kotlin and C seems to be the only candidates to become programming language of the year 2017. TIOBE will announce the winner of this award next month. Thanks to the boost of small software devices and the increase of low level software in the automotive industry, the C programming language gained a lot of popularity in 2017. C is one of the oldest programming language alive. Its main competitor for the award, Kotlin, is relatively new. It was released in 2011 by JetBrains. Kotlin is a language that can run on a Java VM and has become popular because it has been accepted as an official Android language.

I published a library which helps you automatically dispose RxJava 2 streams on Android using Lifecycle events. https://github.com/kizitonwose/android-disposebag

Scoping Retrofit calls to Activity/Fragment in Android https://livinglifetechway.com/scoping-retrofit-calls-to-activity-fragment-in-android/

Next part of Kotlin programmer dictionary: Receiver type vs Receiver object https://medium.com/p/programmer-dictionary-receiver-type-vs-receiver-object-575d2705ddd9

If you want to see how to use simple DI framework with Ktor. https://www.ekito.fr/people/koin-met-ktor/