Visualize fraudulent transactions via CEP with Kafka, Flink, SQL, D3.js and Mapbox.

Visualizing fraudulent transactions via heatmaps using Mapbox GL JS

I am not too proud to admit it — I like writing code in javascript. I’m a novice, but along with Python it’s my go-to language given a task at hand needing completion.

ObservableHQ.com describes itself as “Observable is a magic notebook for exploring data and thinking with code.” — and I tend to agree. Put another way…