Processing real-time data with Storm, Kafka and ElasticSearch – Part 5

1. Introduction This series of articles shows how one can process real time stream data using a number of technologies. The input data stream is flight data arriving real-time from a sensor (either one you can buy from Amazon or more advanced ones like civilian or military radars). To avoid the...

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Demystifying Java SE Level for Jakarta EE

As I mentioned in Hashtag Jakarta EE #76, the Jakarta EE Platform project is in the process of determining the Java SE requirements for Jakarta EE 10. In this post, I try to shed some light on the implications of the various options currently up for a vote. What do these options actually mean for:...

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Express.js Cookies Tutorial

Hello in this tutorial, we will understand Cookies and implement them in an Express.js application. 1. Introduction Cookies are a piece of any information sent from the server and are stored in the client’s browser. This information helps to track the client’s action and the browser sent it back to...

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The Docker and Kubernetes Certification Training Bundle

Study Up On Today’s Top Cloud Deployment Technologies & Prepare to Earn Important Certifications Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 92% off on The Docker and Kubernetes Certification Training Bundle. Get it now with only...

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REST API in Express.js

Hello in this tutorial, we will build a REST API in a Node.js environment running on an Express.js server. 1. Introduction RESTful API stands for the standard web service interface used by the applications to communicate with each other. This API conforms to the REST architectural style and...

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Static website generation with Java, Maven and JBake

Did you notice? Last week, we migrated the entire www.optaplanner.org website (1399 files) to build with Java and Maven, instead of Ruby and Rake. On the face of it, nothing changed. But in the sources, for our team of Java developers, it is a game changer. Our java team can now contribute to the...

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Java 8 IntStream With Working Examples

A quick guide to understand primitive int representation of Stream as interface IntStream to support integer operations and with the useful examples. 1. Overview In this tutorial, We’ll learn how to use the IntStream in java 8 and it uses with example programs. For int primitives, the Java...

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Java Convert File Contents to String

A quick guide on how to convert the file contents to String using Java Files api and with example programs. 1. Overview In this tutorial, you’ll learn how to convert File contents to String in java. If you are new to java 8, please read the how to read the file in java 8? we have ...

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BigQuery Storage API: Get Started and Comparisons

BigQuery provides us with the Storage API for fast access using an rpc-based protocal. With this option you can receive the data in a binary serialized format. The alternative ways to retrieve BigQuery Data is through the Rest API and a Bulk export. Bulk Data export is a good solution to export big...

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Changing The Way We Use JPA

I’ve been updating some training materials recently, and thinking about better ways of teaching and talking about JPA. One of the things I’ve been thinking about is how we have typically used JPA, and how that should change given the pains I’ve experienced (and observed). JPA is often seen as a set...

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