Java
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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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Java Spark RDD reduce() Examples – sum, min and max operations
A quick guide to explore the Spark RDD reduce() method in java programming to find sum, min and max values…
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Rest API Documentation and Client Generation with OpenAPI
Microservices architecture helps in building an application as a suite of multiple fine-grained smaller services. Each of these services run…
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The Subs Bench
a.k.a. “How do I subclass a list element declared in my interface?” As covered by the rather awesome Ram on…
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Spring Endpoint to handle Json Patch and Json Merge Patch
In a previous blog post I went over the basics of Json Patch and Json Merge Patch and how a…
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Providing useful API error messages with Spring Boot
For API users it is quite important an API provides useful error messages. Otherwise, it can be hard to figure…
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Apache Arrow on the JVM: Streaming Reads
Previously we wrote Arrow Data to a Stream. Now we shall read those data from a stream. Just like on…
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Chasing Java’s release train, from 8 to 16. Part 2: The race to the next LTS release
In the first part we thoroughly went through the massive amount of features delivered in scope of JDK-9. Nevertheless, this…
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Go (Con)Figure
Another post about Lightweight Config, a library I’ve recently built from the ground up, after creating various versions of it…
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