Spring MVC – HTTP message converter

Quite often you need to provide users with the same data, but in different forms, like JSON, PDF, XLS, etc.…

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JDBC – Emulating a sequence

Probably each of us encountered this problem at least once in the programmer’s life – how to emulate a database…

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Serialization Proxy Pattern example

There are books, which change your life immensely. One of such books is “Effective Java” by Joshua Bloch. Below you…

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JPA – Querydsl Projections

In my last post: JPA – Basic Projections – I’ve mentioned about two basic possibilities of building JPA Projections. This…

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JPA – Should I become a laziness extremist?

When you spoke with the Developers about mapping objects to relational databases, they very often complain about poor JPA performance,…

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JPA – Hibernate – Type mapping on package level

When we are finally mature enough to use some custom types mapping in JPA, we usually stuck with some provider…

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Spring’s Web MVC – Redirect to the Memory Leak

They say that one rock can cause an avalanche. Lately, one of my Colleagues, Marcin Radoszewski, gave me such a…

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Customize PMD in Eclipse with your own rules

PMD is very nice Java code scanner which helps you avoid potential programming problems. It can be easily extended to…

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JSON – Jackson to the rescue

Sometimes you have to fetch some data from the server in JavaScript, JSON is pretty good choice for this task.…

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