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Enterprise Java
Changing The Way We Use JPA
I’ve been updating some training materials recently, and thinking about better ways of teaching and talking about JPA. One of…
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Enterprise Java
Reduce Repetitive Code in Spring MVC Controllers
After spending some time doing sustained engineering (a.k.a. maintaining legacy code), I ventured to reduce repetitive code in Spring MVC…
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Enterprise Java
Spring with Rails’ jQuery UJS
I’ve always wanted to try to see if I could use Rails’ jQuery UJS in a Spring Boot project. The…
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Core Java
Revisions and Immutability
Here’s a brief post. I’m not sure how to start it. It’s one of those “why didn’t I think of…
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Enterprise Java
Caching in Spring Boot with Spring Security
In this post, I’d like to share a lesson learned by one of the teams at O&B. They were using…
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Enterprise Java
Dealing with Domain Objects in Spring MVC
I was recently surprised by how one code base had public default constructors (i.e. zero-arguments constructors) in all their domain…
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Core Java
JasperReports: The Tricky Parts
If you have been programming in Java long enough, chances are you needed to generate reports for business users. In…
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Enterprise Java
DataSource Routing with Spring @Transactional
I was inspired by Carl Papa’s use of aspects with the Spring Framework to determine the DataSource to use (either…
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Core Java
Apache Spark RDD and Java Streams
A few months ago, I was fortunate enough to participate in a few PoCs (proof-of-concepts) that used Apache Spark. There,…
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