Our thoughts, knowledge, insights and opinions

Introduction to Machine Learning with Spark and MLlib (DataFrame API)

An introduction to the Scala Spark MLlib (DataFrame API) Machine Learning library.

by Marcin Gorczyński
October 12, 2017
Tags : Scala Spark Machine Learning

JWT Authentication in a React-Redux app

Are you currently working on JWT authentication in React and Redux App? Don't you know how to handle it? In this article we will cover a sign in process step by step.

by Kamil Wojewski
September 14, 2017
Tags : Javascript React Frontend

Exploring Tagless Final pattern for extensive and readable Scala code

In this post we will be exploring a more advanced pattern from functional programming - Tagless Final. Our goal will be to show how we can use it make our programs on one hand simpler, on another easy to extend

by Patryk Jażdżewski
August 10, 2017
Tags : Scala Functional Programming

Using Akka HTTP with Sangria as GraphQL backend

In this article you will learn how to set up GraphQL backend server with Akka HTTP and Sangria. We will also discuss common use cases, like integration with Slick and how to manage many-to-many relations.

by Mariusz Nosiński
August 3, 2017
Tags : Scala Akka Http GraphQL Sangria Slick

How to review the code and not destroy the universe

The good, the bad and the ugly of code reviews

by Maciej Burda
July 27, 2017
Tags : Code Review Working