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End of ERP as we know it?

A friend of mine on Facebook drew my attention to this blog post, ‘End of ERP’ by Tien Tzuo on Forbes.com. With the professional lives of millions tied to ERP in some ...
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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"> <html ...
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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, ...
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Infrastructure, Technical Debt, and Automated Test Framework

I’ve had several conversations in email and with clients recently that have all been about this question: “What do we do about our infrastructure?” Either the project or the program ...
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What Refactoring is, and what it isn’t

Sometimes a programmer will come to me and explain that they don’t like the design of something and that “we’re gonna need to do a whole bunch of refactoring” to make it right. ...
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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 ...
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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 ...
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Humour Time: Programming Puns

Though not strictly puns, I tried to make them sort-of funny: – What are you doing on this bench with a bank slip and a marker? – Benchmarking our transactions. What’s ...
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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. ...
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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 ...
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