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Introduction to Errai Framework

Errai is a framework developed and maintained by Red Hat in an attempt to combine the good aspects of the GWT and JEE worlds. According to Red Hat, Errai is a GWT-based framework for building rich web applications using next-generation web technologies. Behind this simple statement there is a radically different way of developing with GWT, and in the following ...

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Software Solutions Foundations with Agile Development

Today’s software engineering world has changed significantly since a decade ago. Software product development is accelerating, and expectations for releasing products quickly are getting stronger every day. All this time-to-market creeping is causing real stress on the time that is left for developing code. And because of these changes, writing code alone just isn’t going to cut it anymore. In ...

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[MEGA DEAL] The Big Data Bundle (94% off)

64.5 Hours of Hadoop, MapReduce, Spark & More to Prepare You For One of Today’s Fastest-Growing IT Careers Hey fellow geeks, This week, on our JCG Deals store, we have another extreme offer. We are offering a massive 94% off on The Big Data Bundle. Get it now with only $45, instead of the original price of $781. Learn By ...

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Docker for Java Developers: Docker over command line

In this section of the tutorial we are going to master the Swiss army knife of Docker, its command line tool of the same name docker and its best friend docker-compose. To give these tools some credit, each of them supports myriads of different command line arguments and options so discussing all of them would make this section literally endless. ...

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[CASE STUDY] Cisco Secures the Cloud with AppDynamics

Discover faster, more efficient performance monitoring with an enterprise APM product learning from your apps. Take the AppDynamics APM Guided Tour! Cisco Systems is the worldwide leader in designing, manufacturing, and selling Internet Protocol-based networking and associated services. It provides a broad line of products for transporting data, voice, and video within buildings and across campuses. Cisco’s Security Cloud Operations spans multiple product offerings ...

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How to use Voice to control IoT devices using Android

In this post, we will describe how to use voice to control IoT devices. In other words, in this article, we will use our voice to send a set of commands to an IoT device. During this post, we will build a voice-activated IoT project. This is an interesting topic because this project uses a different way to interact with ...

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How to Implement Enterprise User Management with Java Single Sign-On SAML Support (and Stay Alive)

How we added Single Sign-On SAML support and debugged it in production Teams may have tens of services and applications they use to complete their tasks. Each service requires them to sign up and remember complicated passwords, when eventually the internal owners of each service have to manually handle login credentials and account settings. That’s where SAML comes in, aiming ...

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MVC, Delivery Mechanism and Domain Model

Model-View-Controller (or MVC for short) is one of the most misunderstood design patterns in software design. MVC has its origins in the SmallTalk community in the late 70s but it was only in 1988 that it was expressed as general concept in an articleby Glenn E. Krasner and Stephen T. Pope for The Journal of Object Technology. The main idea behind MVC was to ...

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Low-risk Monolith to Microservice Evolution Part I

As part of a two-day microservices workshop I’m putting together, I’ve been thinking a lot about how to explain monolith-application decomposition and what a transition to microservices might look like. This is a small subset of that material, but I want to share with you to get feedback (in the workshop we go into more detail about whether you should ...

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