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Testing Quartz Cron expressions

Declaring complex Cron expressions is still giving me some headaches, especially when some more advanced constructs are used. After all, can you tell when the following trigger will ...
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Logging Hibernate SQL

There are two well-known ways to log Hibernate SQL in Grails; one is to add logSql = true in DataSource.groovy (either in the top-level block for all environments or per-environment)             dataSource ...
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JavaOne 2012: Scala Tricks

The first session I attended after lunch was Venkat Subramaniam‘s ‘Scala Tricks,’ held in the Hilton Golden Gate 3/4/5 conference room area. This is the first session ...
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JavaOne 2012: What’s New in Scala 2.10

After getting lunch, I went to Hilton Golden Gate 6/7/8 to see Martin Odersky‘s (Typesafe) presentation ‘What’s New in Scala 2.10.’ It is always an opportunity to ...
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Getting started with Scala and Scalatra – Part IV

Welcome to the last part of this series of tutorials on scala and scalatra. In this part we’ll look at how you can use Akka to handle your requests using an asynchronous dispatcher, ...
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JavaOne 2012: What’s New in Groovy 2.0

Guillaume Laforge’s (SpringSource/VMware/@glaforge) ‘What’s New in Groovy 2.0′ presentation was in the same conference room (Hilton Golden Gate 6/7/8) as Martin ...
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JavaOne 2012: A Walk Through of Groovy’s AST Transformations

I made the very short walk from Hilton Plaza A/B back to Hilton Golden Gate 3/4/5 to see the presentation ‘Walk through Groovy’s AST Transformations.’ Groovy‘s ...
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RateLimiter – discovering Google Guava

RateLimiter class was recently added to Guava libraries (since 13.0) and it is already among my favourite tools. Have a look what the JavaDoc says: Let’s start from ...
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Stuff I Learned from Grails Consulting

I don’t do much Grails consulting since I work for the Engineering group, and we have an excellent group of support engineers that usually work directly with clients. I do occasionally ...
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Test Driven Traps, part 1

Have you ever been in a situation, where a simple change of code, broke a few hundred tests? Have you ever had the idea that tests slow you down, inhibit your creativity, make you afraid ...
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