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Using @NamedEntityGraph to load JPA entities more selectively in N+1 scenarios

The N+1 problem is a common issue when working with ORM solutions. It happens when you set the fetchType for some @OneToMany relation to lazy, in order to load the child entities only ...
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Spring 4: CGLIB-based proxy classes with no default constructor

In Spring, if the class of a target object that is to be proxied doesn’t implement any interfaces, then a CGLIB-based proxy will be created. Prior to Spring 4, CGLIB-based proxy classes ...
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Do You Encourage People to Bring You Problems?

One of the familiar tensions in management is how you encourage or discourage people from bringing you problems. One of my clients had a favorite saying, “Don’t bring me problems. ...
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Locking and Logging

Plumbr has been known as the tool to tackle memory leaks. As little as two months ago we released GC optimization features. But we have not been sitting idle after this – for months ...
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Java EE7 and Maven project for newbies – part 7

Resuming from the previous parts Part #1, Part #2, Part #3, Part #4, Part #5 , Part #6 In the previous post (num 6) we discovered how we can unit test our JPA2 domain model, using ...
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Behavior-Driven RESTful APIs

In the RESTBucks example, the authors present a useful state diagram that describes the actions a client can perform against the service. Where does such an application state diagram ...
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Hibernate and UUID identifiers

Introduction In my previous post I talked about UUID surrogate keys and the use cases when there are more appropriate than the more common auto-incrementing identifiers. A UUID database ...
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Graduate School: ”Do… Or Do Not. There Is No Try” – Yoda

I recently completed my Master of Science in Computer Science.  There were both good and bad experiences about graduate school while working full time, and I wanted to share them to ...
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Software Defined Everything

The other day Taxis in London where on strike because Uber was setting up shop in London. Do you know a lot of people that still send paper letters? Book holiday flights via a travel ...
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Agile VS Real Life

The Agile Manifesto tells us that: “We have come to value “Individuals and Interaction over Processes and Tools” Reality tells us otherwise. Want to do unit testing? ...
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