Rue Gilt Groupe Tech Blog

Scala Short Take: Will it Fold?

A tale of procedural code made functional

Background

For a reason that’s not important, we wanted to generate all versions of a multiword string (we’re Rue Gilt, so it’s a retail brand…

Quick Take: Scala Chops for Apache Spark

More functional Spark using Scala idioms

How Rue La La Bulk Loads into DynamoDB

How we scale DynamoDB for bulk writes

Rich Data Science APIs at Rue La La

How we store and retrieve large volume Data Science data at Rue La La

The main story

Large-Scale Data Science APIs at Rue La La

Cloud native and web scale

Android CI With AWS CodeBuild

A journey from Jenkins, server-based CI to the cloud

What about Go? Can it Functional?

Go isn’t a functional language like Scala, but it has functions that are first-class types. Let’s see what we can do with it. You can still enjoy this post with exactly…

Functional Java in Legacy Code at Rue

Let’s continue where we left off last time. We’re going to implement a Java version of the sudoku-board validator so we can get a good feel for how Java 8 works. Then we’ll be able to evaluate it as a tool for improving our legacy codebase at Rue. Sometimes we get…

How to Functional in Java

We’ll show you how to get started using Java 8’s functional programming features. When you’re done, you’ll be able to read and write Java code that looks like

private static <T> Map<T, Long> occurrences(final Stream<T> in) {
    return…