Monthly Archives: January 2011

Showing unused TestNG tests

We use TestNG for our system tests. One of the slight problems is that if a new test is written, but not added to the testng.xml file, it won’t be run. I like to monitor our testing progress, so I … Continue reading

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Hibernate aliases

My colleague Raj was recently updating a Hibernate criteria query which made use of aliases. He wanted to add a criterion that a value in a linked table must be null, so the most obvious change to make was to … Continue reading

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Cool Groovy features 3 – ConfigSlurper

In Java configuration properties can only be key-value pairs e.g. Wouldn’t it be nice to be able to group configuration properties? This is exactly what you can do in Groovy using the ConfigSlurper class. It allows you to write config … Continue reading

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Using group by without an aggregate function

It is interesting to find that in MySQL, you can write the following: This doesn’t really make sense, since the purpose of “group by” is to group records when you are using an aggregate function, such as sum. e.g. If … Continue reading

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Coffeescript – improved javascript

An interesting attempt to create a more powerful syntax for javascript:  

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Groovy – real life example

In my job we often have spreadsheets of data that we want to quickly turn into SQL scripts. (Yes, I know there are plenty of ways of importing spreadsheets into databases, but our DBAs want SQL scripts!) This is fairly … Continue reading

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Spring MVC versus Struts

This question is often asked, but tends to be answered by people who have a strong allegiance to Spring and tend to give a massive list of advantages, which often boil down to a much smaller list of actual advantages. … Continue reading

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