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Redis sort with Jedis

In this post we will talk about the Redis SORT command. Redis provides the SORT command that we can use to retrieve or store sorted values from a LIST, SET or ZSET. The simplest form ...
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Java 8 Friday Goodies: Lambdas and Sorting

At Data Geekery, we love Java. And as we’re really into jOOQ’s fluent API and query DSL, we’re absolutely thrilled about what Java 8 will bring to our ecosystem. We have blogged ...
spring-interview-questions-answers

Optimising Your ApplicationContext

There’s a problem with Spring, it’s been there for some time and I’ve come across it in a number of projects. It’s nothing to do with Spring, or the Guys at Spring, it’s down ...
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ObjectStreamClass: Peeking at a Java Object’s Serialization

ObjectStreamClass can be a useful class to analyze the serialization characteristics of a serialized class loaded in the JVM. This post looks at some of the information this class provides ...
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5 tools for Java developers

A way to improve the Java code we write is to work with the best tools. So, let’s check out the 5 most used tools that IDR Solutions suggests to help Java Developers write better ...
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Access private fields in unit tests

First of all, let me say out louder, you need to design your code to be testable, so you test your private fields through your public methods. But, (“buts” are the reasons ...
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Selecting level of detail returned by varying the content type, part II

In my previous entry, we looked at using the feature of MOXy to control the level of data output for a particular entity. This post looks at an abstraction provided by Jersey 2.x that ...
spring-interview-questions-answers

Migrating Spring MVC RESTful web services to Spring 4

1   Introduction Spring 4 brings several improvements for MVC applications. In this post I will focus on restful web services and try these improvements by taking a project implemented ...
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Hardware Transactional Memory in Java, or why synchronized will be cool again

Overview Hardware Transaction Memory has the potential to allow multiple threads to speculatively access the same data structure at the same time and let the cache coherence protocol ...
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Java: Work out the serialVersionUID of a class

Earlier in the week I wanted to work out the serialVersionUID of a serializable class so that I could override its toString method without breaking everything. I came across Frank Kim’s ...
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