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Lazy JSF Primefaces Datatable Pagination – Part 2

The page code is very simple and there is no complication. Check the “index.xhtml” code: <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <htm ...
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Why Math.round(0.499999999999999917) rounds to 1 on Java 6

Overview There are two types of error representation error and arithmetic rounding error which are common in floating point calculations. These two error combine in this simple example, Math.round(0.499999999999999917) rounds to ...
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Quartz scheduler plugins – hidden treasure

Although briefly described in the official documentation, I believe Quartz plugins aren’t known enough, looking at how useful they are. Essentially plugins in Quartz are convenient classes wrapping registration of underlyi ...
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Lazy JSF Primefaces Datatable Pagination – Part 1

Today we will do JSF datatable pagination with a Lazy List with a view scoped managed bean. What all those words/expressions mean? There are several JSF frameworks today that provide datatables with a ready pagination, columns so ...
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JAXB and Unmapped Properties

JAXB (JSR-222) is configuration by exception, meaning that there is a default mapping applied to domain objects. This means that sometimes you need to explicitly exclude a field/property. In this post I’ll discuss how this ...
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Java 7 #8: NIO.2 File Channels on the test bench

Another blog post about new JDK 7 features. This time I am writing about the new AnsynchronousFileChannel class. I am analyzing the new JDK 7 features in depth for a couple of weeks now and I have decided to number my posts conse ...
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JSF 2, PrimeFaces 3, Spring 3 & Hibernate 4 Integration Project

This article shows how to integrate JSF2, PrimeFaces3, Spring3 and Hibernate4 Technologies. It provides a general project template for Java developers. Also if Spring is not used for Business and Data Access layer, JSF – Prime ...
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ADF: Using UI Categories with Dynamic form

JDev 11g R2 has new interesting feature “UI Categories”. It allows us to group VO’s attributes declaratively at the view object definition level. For example, “UI Categories” tab for my VEmployees vi ...
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Beyond JUnit – Testing Frameworks alternatives

JUnit is the defacto Java unit testing framework, but there’s a couple of new (and not so new) frameworks out there for web development that might be of interest. Questions you might want to ask yourself prior to adoption: ...
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5 Ways to Contribute to GlassFish without being a Programming Genius

Andy Lester posted the original guide about 14 Ways to Contribute to Open Source without Being a Programming Genius or a Rock Star back in March and I really liked the idea. And this is why I decided to adopt this post a bit and t ...
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