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A Lesser-Known Java 8 Feature: Generalized Target-Type Inference

Going through the list of Java 8 features, Generalized Target-Type Inference struck me as a particularly interesting, lesser-known gem. It looks as though the Java language designers ...
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How Many People Can You Manage as a Manager?

In my first management role, I “managed” one person.  My managee didn’t need much management. He guided me into how to manage him more than I managed him. He saved me from making ...
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Spring Data MongoDB cascade save on DBRef objects

Spring Data MongoDB by default does not support cascade operations on referenced objects with @DBRef annotations as reference says: The mapping framework does not handle cascading saves. ...
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Exploit better the results of Pmd, Findbugs and CheckStyle.

Many Java static analysis tools exist right there, each one focus on a specific area and has its advantages, we can enumerate:                  Pmd ...
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Add Apache Camel and Spring as jboss modules in WildFly

These days I am playing with Wildfly and Apache Camel and Spring. A simple way to communicate between EARs / WARs is using direct-vm component of Camel. There are many ways to achieve ...
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Thoughts on Blueprint and Declarative Services: Dependency injection or Dependency management

I’ve been using the OSGi Blueprint for a couple of years now and I have been happy with it. Blueprint is the obvious choice inside Apache Karaf and since it was a solution that ...
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Architecting a Multi-tenant Application

A multi-tenant application is an application where a single running instance serves many customers. An alternative to multi-tenancy is managed services, where one running instance is ...
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Crashing your JVM

Thorough testing can be harmful as we discovered recently. Extending our test coverage led us to a several-hours debugging session caused by just one line of code. What made the debugging ...
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Building and testing a websocket server with undertow

The upcoming version of JBoss Application Server will no longer use Tomcat as integrated webserver, but will replace it with undertow. The architecture of undertow is based on handlers ...
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Auditing Entities in Spring Data MongoDB

Spring Data MongoDB 1.2.0 silently introduced new feature: support for basic auditing. Because you will not find too much about it in official reference in this post I will show what ...
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