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I built a scenario for a hybrid machine learning infrastructure leveraging Apache Kafka as scalable central nervous system. The public cloud is used for training analytic models at extreme scale (e.g. using TensorFlow and TPUs on Google Cloud Platform (GCP) via Google ML Engine. The predictions (i.e. model inference) are executed on premise at the edge in a local Kafka ...

The JDK 11 Early Access Builds include preview functionality related to JEP 330 (“Launch Single File Source Code Programs”). I have written about JEP 330 before in posts “Shebang Coming to Java?” and “JEP 329 and JEP 330 Proposed for JDK 11“, I get to take this feature out for a spin in this post thanks to the JDK 11 ...

Learn how to create a sensor project in this guest post by Peter Wahr, an IoT expert. The development of a sensor is broken down into six steps. Here’s a simple overview: Firstly, you will set up the basic structure of a console application. Then, you will configure the hardware and learn to sample sensor values and maintain a useful ...

I’m a big fan of Java’s enum. It seemed like we waited forever to get it, but when we did finally get it (J2SE 5), the enum was so much better than that provided by C and C++ that it seemed to me “well worth the wait.” As good as the Java enum is, it’s not without issues. In particular, ...

It’s been a while since my last post but I’m finally back! Since I am still on my project, I will be writing about using Corda again. This time, rather than focusing on Corda, we’ll look at using Spring with Corda. More specifically, Spring WebFlux. Why do this? One, because we can. Two, because it allows us to stream events ...

The new version of the HTTP protocol, HTTP/2 lets the server to push content to the client before the client requests the particular content. There are many other modifications in the protocol if we compare the previous version 1.1 with the new version 2, but in this article, I will focus on the push functionality. I will discuss briefly how ...

Tuple is very powerful construct in programming language, it allows to create sequence of finite elements. Elements in tuple can be of different type and very easy to declare like (“something”,1,new Date()) Nice thing about tuple is you have to only decided on data type of element not the name. Computer science has 2 hard problem : Cache invalidation and ...

I have a big update for JMetro this time. Version 3.8 brings the following new Fluent Design (FDS) inspired styles (dark and light) and updates: New Radio Button style; New style for Check Box; New style for Menus; Updated style for Context Menu; New style for Choice Box. JMetro new version details I decided to, for now, switch focus off on ...

This Blog post will look at some proverbial operations on List data structure and make some comparison between Java 8/9 and Groovy syntax. So firstly, the data structure.  It’s just a simple Rugby player who has name and a rating. Java class RugbyPlayer { private String name; private Integer rating; RugbyPlayer(String name, Integer rating) { this.name = name; this.rating = ...