Category Archives: Development

Apache Flink – Class Not found [org/apache/flink/streaming/api/scala/DataStream]

Apache Flink – Class Not found [org/apache/flink/streaming/api/scala/DataStream]

Apache Flink – Class Not found [org/apache/flink/streaming/api/scala/DataStream] If you are developing a Flink app following examples on the web, you can most likely encounter the following error: Generally, the problem is resolved by correctly setting the source folder in a scala project in IntelliJ but the weird thing is that it is happening for a… Continue reading »

Angular Material Toggle Buttons Group with Binding

Angular Material Toggle Buttons Group with Binding In this post we are going to create an Angular App to use Button toggle groups from Angular material. We are going to do data binding of these buttons and generate the buttons using a list in the code behind in the component class. Let’s first create a… Continue reading »

Kafka Streams – Resetting Application State

Kafka Streams – Resetting Application State I the previous post, we discussed that we might need to reprocess data during development during application development. Since Kafka Streams ensures the application state, it doesn’t pull and reprocess data. In this case, you might find yourself keep waiting for the join operations to get triggered, but to… Continue reading »