Air pollution is a major problem in many cities around the globe. Some people in Stuttgart, Germany have developed cheap smog sensors that people can install on their balconies and other convenient places and then report data to a central site. I have written about that on OpenSource.com. The data is sent to a central server, from where it is visualized on a map. At the time of writing the above article, there was no way of seeing how the value has changed over time. Meanwhile, there is a visualization of the last 24 hours available on the map.
Continue reading “Visualizing Smog Sensor Data with the help of Vert.x, Prometheus, and Grafana”
This is the second session, which I gave at Red Hat Summit; this was an exploration of what is behind the reactive trend. Software is fiction, every season we have a new collection, we all have to follow this and right now, it’s reactive.
Continue reading “Reactive Programming with Vert.x”
I’m thrilled to announce the availability of a mini-book about Eclipse Vert.x. This book focuses on the development of reactive microservices in Java and covers reactive systems and reactive programming.
Writing a book, even for a mini-book is a tough task. While writing code and writing a book are very different experiences, you can apply the same process and good practice. I would like to list a couple of tips I’ve used to make the writing a bit easier.
For any of you planning to attend Devoxx Belgium during the week of 7 November, Red Hatters will be delivering 13 sessions, labs and BoFs and so you’ll definitely want to attend one or more of them when you’re there. Here’s the list in chronological order. Enjoy!
(By the way – if you’re, I’ll be there too so please stop by the Red Hat booth to say “hello”.)