47 Degrees
47 Degrees
Reactive, scalable software solutions. 47 Degrees is a global consulting and development firm specializing in functional programming and related technologies including Scala, Spark, Akka, Kafka, and Play Framework.
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Establishing Orbit with Shapeless - Beginner
Featuring Dave Gurnell
In this talk we'll discuss some compelling use cases of shapeless, a library for generic programming in Scala. Example will include: deriving type class instances, generating metadata based on types, and eliminating wildcards. We'll cover key pieces of theory along the way, including...
shapeless scala scalax -
Method reification and type-safety in a CQRS world - Intermediate
Featuring Renato Cavalcanti
CQRS applications brings some new challenges for statically typed language lovers since a considerable amount of the modeling effort goes to the definition of Commands and Events as separated entities without direct connection with the main domain model classes.
scala scalax cqrs data type -
What should every programmer know about hardware - Intermediate
Featuring Dmitry Petrashko
Finding and fixing performance bugs in real-world software is a tricky task. It involves exploration and experimentation. During this talk, you will discover several performance issues found while working on Dotty as well as tools used to diagnose those issues.
dotty scala scalax performance testing hotspot -
JsonPath: Type safe query DSL using optics - Advanced
Featuring Julien Truffaut
JSON is a very common serialisation format used to transfer or store data. Most JSON libraries offer an API to manipulate JSON documents but it often involves mutation and/or lack type safety. Argonaut and Circe - two major JSON scala libraries - recently got a new DSL which focus on clarity and...
json dsl api scala scalax lens optic functional-programming -
Doodle: Visualisation in Scala - Beginner
Featuring Noel Welsh
In this talk, Noel will share more on Doodle, a Scala library for data visualisation that renders in the browser, to files, and on the desktop.
big-data data visualisation scala scalax scalajs -
Functional Stream-Processing Systems based on Kafka on Scalaz-Streams - Advanced
Featuring Jann Mueller
Sphonic provides a number of fraud prevention services, both transaction-based (credit card applications, identity verification) and case-based (anti money laundering, analytics). After a number of iterations we have arrived at a simple and well-functioning architecture, a "sweet spot"...
stream kafka scalaz scala scalax workflows apache -
Practical Eff monad for microservices - Advanced
Featuring Eric Torreborre
"These crazy FP concepts are very interesting but how do I apply them to my job at XYZ?" Indeed, it is one thing to learn what a "catamorphism" or a "natural transformation" is, and another one to use it in our daily programming. In this talk you will learn how to...
scala eff monad scalax microservices typelevel cats scalaz -
Push Your State to the Edge
Featuring Rhys Sharrem
This talk will aim to bridge the gap for beginner functional programmers as to how to introduce functional programming into a code base. The idea is to insert a functional core, and push all state to the edges.
scala scalax functional-programming -
How I learned to stop worrying and love the frontend - Intermediate
Featuring Otto Chrons
Scala.js brought Scala to web frontend development, relieving developers from many of the idiosyncrasies of JavaScript. As library support for Scala.js keeps maturing, it is becoming a very solid environment for real full-stack web development.
scala scalax scalajs android ios web mobile user-interface -
Using NLP to find named authors in mailing forums
Featuring Trym Møller
Natural Language Processing (NLP) and Machine Learning (ML) are hot topics in this season even though they have been around since the 1950'. NLP has come to attention because the amount of textual data available on-line is massive and users need software to handle it. There are multiple...
nlp scala scalax machine-learning stanford ner
