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Project Student: Maintenance Webapp (read-only)

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This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer, Persistence with Spring Data, Sharding Integration Test Data, Webservice Integration and JPA Criteria Queries. When I started this project I had four goals. In no particular order they were to:             learn about jQuery and other ...

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Sustainable peace with database changes into a Java environment

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Sustainable peace for us is remove uncertainty. In this case over database changes the idea Active Record Migrations of Ruby was welcomed. And what does migration means for us?. Well, it is a convenient way to alter our database schema overtime in a consistent and easy way that removes a lot of uncertainty about database changes in our software development ...

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Using jOOQ with Spring: Configuration

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I have had my share of performance problems caused by ORMs. Although I have to admit that most of these problems were really caused by yours truly, I have started to think that using ORMs in read-only operations is not worth it. I started to look for alternative ways to implement these operations. That is how I ran into jOOQ ...

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Project Student: JPA Criteria Queries

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This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey, Business Layer, Persistence with Spring Data, Sharding Integration Test Data and Webservice Integration. We’ve covered basic CRUD operations but that doesn’t take us very far. Spring Data makes it easy to include basic searches but it’s important to have other standard options. One ...

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Java 8 Friday Goodies: The New New I/O APIs

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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. We have blogged a couple of times about some nice Java 8 goodies, and now we feel it’s time to start a new blog series, the… Java 8 Friday Every Friday, ...

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Praying in the Church of Silicon Valley

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I got invited to participate in a pre-demo-day review of an Accelerator class. It seems that these days in the Church of Silicon Valley (the one true way to innovate) the hot stuff are hackathons and accelerators. Hackathons are multi-day gatherings of entrepreneur wanna-bes and some folks that judge the results of a couple of days of hacking and ideas. ...

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MongoDB and the fine art of data modelling

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Introduction This is the third part of our MongoDB time series tutorial, and this post will emphasize the importance of data modelling. You might want to check the first part of this series, to get familiar with our virtual project requirements and the second part talking about common optimization techniques. When you first start using MongoDB, you’ll immediately notice it’s ...

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Running multiple ActiveMQ instances on one machine

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A few weeks ago I started making use of Apache ActiveMQ again as the JMS provider with my Mule ESB solution. Since it had been a few years that I used ActiveMQ I thought it would be nice to check out some of the (new) features like the failover transport and other clustering features. To be able to test these ...

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Java and Scala event calendars for 2014

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With Java 8 right around the corner and Scala picking up so much steam, 2014 is going to be a super interesting year for developers. With so much going on, and so many events and meetups bringing together developers from all walks of life – from one man startups to the Googles and IBMs, we thought putting it all together ...

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