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Apache Storm: How to configure KafkaBolt with Flux

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Flux in a mini framework that can help us define and deploy a Storm topology. Flux has various wrappers that help you define the required stream(s) and initialize your Bolts and Spouts (using constructor with or without arguments and call custom configuration methods automatically via reflection). What you only need to use Flux is to add it as dependency in ...

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What is Spring Boot and why it is a preferred framework for creating Micro Services

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Why create Micro Services using Spring Boot? Spring boot is a well known preferred framework in Java landscape for creating Micro Services . Using Spring boot framework, Java applications can be created very easily without much efforts. We will see now some of  the features of Spring boot framework which makes it ideal contender for creating Micro Services. 1.Let’s first see ...

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How to Migrate to Microservices

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Want to read more on the process of migrating to microservices? Read the full eBook on “How to Build (and Scale) with Microservices” here! Today, modern enterprise is rushing head first into an always-on, digital-centric, mobile world. Organizations that fail to modify their approach to technology will be left by the wayside as others incorporate highly flexible and scalable architectures ...

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FizzBuzz Kata With Java Streams

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After only a couple of weeks of Judo practice, my son got bored. He complained that he wasn’t learning anything, because he kept doing the same thing over and over. It’s not just young children that confuse learning and doing new things. For instance, how many software developers go through the trouble of deliberate practice by performing katas or attending dojos? It may seem ...

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Deploying WildFly Swarm Applications To Heroku

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WildFly Swarm applications can be deployed to Heroku, simply by adding a few files to the deployment. In this post, I’ll show the changes that are needed to be made to a WildFly Swarm application and how to then deploy the application to Heroku. I’ll show how to deploy my Fruits example WildFly Swarm application to Heroku. The source for ...

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How to put the JBoss HR Employee Rewards project into the Cloud

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We have been discussing why application developers can’t ignore their stack anymore in the  App Dev Cloud Stack series. We talked about the various layers from the bottom up, but have yet to provide you with any application development tooling beyond the Red Hat  Container Development Kit (CDK). All you have so far is an easy to install project called the ...

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Solving Problems with the Right Technology: Hadoop and RDBMS

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In some circles today there is a sort of ‘Hadoop vs. RDBMS’ debate ongoing. Often the discussion casts Hadoop as the obvious heir apparent in the data processing world, with RDBMS cast as your father’s Oldsmobile. This debate is somewhat misdirected and the discussion could lead organizations away from the strategy they really should be following, namely a strategy of ...

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In Your Face! Figuring Out Apple’s Face Detection API

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I am making a native iOS app that has face detection. Apple has an awesome image detection API that can find faces, barcodes, and even rectangular shapes in images or video frames. The API came out with iOS 5.0, but I thought that an updated example with Swift 2.2 and Xcode 7.3 would hopefully help people out. The code, located ...

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Seting up https for your REST API with Boxfuse

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In my last post I showed how easy it was to get your REST API based on Spring Boot framework up and running on AWS with the help of Boxfuse. The next step is making use of SSL for the communication with the API. By using SSL we make sure our data is save during the transport between our REST ...

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