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How and Why is Unsafe used in Java?

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Overview sun.misc.Unsafe has been in Java from at least as far back as Java 1.4 (2004). In Java 9, Unsafe will be hidden along with many other, for-internal-use classes. to improve the maintainability of the JVM. While it is still unclear exactly what will replace Unsafe, and I suspect it will be more than one thing which replaces it, it raises the ...

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Lightweight Integration with Java EE and Camel

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Enterprise Java has different flavors and perspectives. Starting at the plain platform technology, which is well known as Java EE over to different frameworks and integration aspects and finally use-cases which involve data-centric user interfaces or specific visualizations. The most prominent problem which isn’t solved by Java EE itself is “integration”. There are plenty of products out there from well ...

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Why Technical Resumes Need a Profile (because we’re dumb)

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There is significant variation in résumé format across candidates. Name and contact information is always on top, but on any given day a recruiter might see the next section as Education, Skills, Experience, or even (gasp) an Objective. Career length influences which section comes first. Entry-level candidates usually choose Education, while veteran candidates gravitate towards experience and accomplishments. Unfortunately, going from a glance at contact information to dissecting intimate ...

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Use Cases for Elasticsearch: Analytics

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In the last post in this series we have seen how we can use Logstash, Elasticsearch and Kibana for doing logfile analytics. This week we will look at the general capabilities for doing analytics on any data using Elasticsearch and Kibana. Use Case We have already seen that Elasticsearch can be used to store large amounts of data. Instead of ...

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Updates on CDI 2.0

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CDI 2.0 is the next version of Contexts and Dependency Injection for the Java EE Platform and a candidate for inclusion in Java EE 8. It is being worked upon since September 2014 and moving pretty rapidly !                 Major goals for CDI 2.0 Alignment with Java SE 8 (of course!) Support for ...

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Really Too Bad that Java 8 Doesn’t Have Iterable.stream()

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This is one of the more interesting recent Stack Overflow questions: Why does Iterable not provide stream() and parallelStream() methods? At first, it might seem intuitive to make it straight-forward to convert an Iterable into a Stream, because the two are really more or less the same thing for 90% of all use-cases. Granted, the expert group had a strong ...

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The New Agile – Certifications

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Last time we looked at how things came to be. How things converged around a group of software developers in a ski resort: There were actual experiments in the field with reported successes. There was a funnel for communication to spread those ideas. And now there was a joint vision and a name. The agile manifesto would still remain a ...

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Creating a REST API with Spring Boot and MongoDB

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This year I greeted Christmas in a different fashion: I was a part of the Java Advent Calendar. Let’s boot up for Christmas: Spring Boot is an opinionated framework that simplifies the development of Spring applications. It frees us from the slavery of complex configuration files and helps us to create standalone Spring applications that don’t need an external servlet ...

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The Inconvenient Truth About Dynamic vs. Static Typing

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Sometimes there are these moments of truth. They happen completely unexpectedly, such as when I read this tweet: Good discussion of Facebook Flow – http://t.co/5KTKakDB0w — David J. Pearce (@whileydave) November 23, 2014 David is the author of the lesser-known but not at all lesser-interesting Whiley programming language, a language that has a lot of static type checking built in ...

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