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Get started with reactive programming with creative Coderland tutorials

Get started with reactive programming with creative Coderland tutorials

The Reactica roller coaster is the latest addition to Coderland, our fictitious amusement park for developers. It illustrates the power of reactive computing, an important architecture for working with groups of microservices that use asynchronous data to work with each other.

In this scenario, we need to build a web app to display the constantly updated wait time for the coaster.

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How to build a Raspberry Pi photo booth

How to build a Raspberry Pi photo booth

The Coderland booth at the recent Red Hat Summit was all about serverless computing as implemented in the Compile Driver. If you haven’t gone through that example (you really should), that code creates a souvenir photo by superimposing the Coderland logo, a date stamp, and a message on top of an image from a webcam. We thought it would be fun to build a Raspberry Pi version for the booth so we could offer attendees a free souvenir. Here’s a look at the finished product:

Front of the photo booth

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