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Domain-Driven Design Revisited

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Recently I read a book titled Domain-Driven Design by Eric Evans. This wasn’t the first time I read this book but this time I realized that I had been totally wrong about domain-driven design. I thought that the domain model consists of entities and value objects. In fact, I was obsessed with moving the domain logic to entities and value ...

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Five Funny Moments in Developer History

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I’ve been working in development environments my whole career, over 30 years. I started out sharing an office that actually had a door on it; yes, that was a really long time ago. I’ve gone from offices to cubes to open spaces. I’ve worked on really large teams, very small teams, and lots of medium-sized teams. I’ve also used waterfall, ...

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JAX-RS 2.0 : Custom Content Handling

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I tried to think of a better title, but failed to come up with one ! Please bear with me……. The JAX-RS 2.0 specification allows us to seamlessly marshal/unmarshal JAXB objects to/from HTTP request/response bodies. Simply put, we can just work with the domain objects without being worried about the low level XML serialization within JAX-RS based solutions. Before we begin, ...

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How to Begin Learning and Applying LaTeX

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I recently started working with LaTeX based on a colleague‘s recommendation. To be honest, it was a little steeper learning curve installing it and initially learning it than I’ve become used to when installing and using new software development products and I hope in this post to provide some basic tips to help others who want to investigate this “document ...

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Java 8 Date Time API Tutorial : LocalDateTime

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This blogpost is a part of tutorial series on Date Time API introduced in Java 8. In this blogpost I will go over some of the methods available in LocalDateTime class. LocalDateTime is an immutable, thread safe object which represents date-time without a time-zone in the ISO-8601 calendar system, such as 2014-03-30T02:51:21. It is normally represented in year-month-day-hour-minute-second and provides accuracy ...

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Add Java 8 support to Eclipse Kepler

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Want to add Java 8 support to Kepler? Java 8 has not yet landed in our standard download packages. But you can add it to your existing Eclipse Kepler package. I’ve got three different Eclipse installations running Java 8: A brand new Kepler SR2 installation of the Eclipse IDE for Java Developers; A slightly used Kepler SR1 installation of the ...

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10 Top Technology Trends that will shape Business Application Architecture

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Business applications tend to be transformed by technologies that disrupt traditional notions of process flexibility, insight, delivery speed, ownership, and support costs. Forrester is a global research and advisory firm, that helps the world’s top companies turn the complexity of change into business advantage. According to a Forrester research, there are ten key trends, presented below in short, which will ...

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Java 8 Friday: Optional Will Remain an Option in Java

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At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. Java 8 Friday Every Friday, we’re showing you a couple of nice new tutorial-style Java 8 features, which take advantage of lambda expressions, extension methods, and other great stuff. You’ll find ...

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Every Great Product Owner Needs a Great ScrumMaster

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Summary The product owner and the ScrumMaster are two separate agile roles that complement each other. To do a great job, product owners need a strong ScrumMaster at their side. Unfortunately, I find that there is often a lack of ScrumMasters who can support the product owner. Sometimes there is confusion between the roles, or there is no ScrumMaster at ...

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