In this presentation, Neil Buesing demonstrates various joining and windowing of Kafka Streams, and showcases the lastest KSQL features. This includes joins without KTables and user-defined functions. Neil is the Director, real-time data for Object .. READ MORE
Introduction There is a lot going on with Kafka Streams. Understanding it takes time, and it always seems there is more you could learn. In this article, I will utilize Kafka Core and Streams for .. READ MORE
Introduction I am fully invested living within docker containers. Utilizing containers makes switching between versions of various applications easy. However, leveraging tools within that container can be frustrating; as many standard commands are missing. For .. READ MORE
With annotated based configurations, I have seen this common mistake which will cause multiple instances of a singleton being created. When you have two beans and one bean needs the other, it is easy to .. READ MORE
Inline initialization of maps in Java has been a sign of weakness in the Java language. This approach has given me the most concise way to initialize maps, while meeting all of my goals. Goals: .. READ MORE
Introduction This article shows how to use Mockito’s doAnswer() and thenAnswer() to test hard to reach code usually written within a GWT application. The technique of calling anonymous inner classes from test code applies to .. READ MORE
Introduction A year ago, I did my first official Grails project. Since it was a short term project, I felt I had to start with both feet in; working on the actual business requirements for .. READ MORE
The core of GWT framework for async communication to the server is through the async callback interface. Its interface is rather simple, but unfortunately, as with a lot GWT development the simplicity is lost with .. READ MORE
Mocking has become a key component to writing effective unit-tests. It is a very useful strategy to write focused tests. Mocking frameworks make it easy to write test, but they have their limitations. Both Mockito .. READ MORE
While writing unit tests is now common, there is still a struggle for writing effective unit tests. When it comes to an ORM persistence tier framework, a variety of solutions exist. This article will discuss .. READ MORE