Testing Web Applications Running on Localhost With an iPhone

I recently switched from an Android phone to an iPhone and discovered that it is so much easier to test my web application running on localhost on my MacBook with my new phone.

Universal JavaScript Apps with React Router 4

Using React Router on both the server and client side

How to get rid of “Can’t perform a React state update on an unmounted component” OR Why it is important to cleanup…

Into the Great Unknown — Migrating from Mocha to Jest

A Tale of Adventure, Ambition and JavaScript…

Resiliency and Disaster Recovery with Kafka

Multi-Region Kafka Setup Using MirrorMaker 2.0

Declarative Concurrency with Reactor

Using Reactive Programming to write concurrent readable code

Checkstyle on Changed Files with Gradle

Running quality checks on modified files in pull requests

Building a home feed using Kafka Streams and Elasticsearch

How we personalize Germany’s biggest…