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Java 8 : What do developers think?

Since Java 8 releasement countdown is starting, Java developers seem certainly ready to get involved. According to a survey in Typesafe, 65% of developers who participated answered that they will be migrating to Java 8 in a 24 months plan, and from them 30% will try to migrate over the next 6 months. 73% of developers who participated are currently ...

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How to create MySQL DataSource in WebLogic Server

One cool thing about using an application server is that it allows you to create DataSource outside of your application and it can manage it along with thread pool and transaction manager etc. With WebLogic Server, it comes with quite a few built in JDBC drivers such as Oracle Database and MySQL etc ready for your use. Here I will ...

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Logging or debugging

Debugging is lame. You should debug log. If your code is structured you do not need debug logging. These are two opinions from the two ends of the line. I am, as usually, standing in the middle, and I will tell you why. First of all, there is no principal difference between debugging versus logging. They are just two different ...

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Java 8 Friday Goodies: Easy-as-Pie Local Caching

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 a couple of times about some nice Java 8 goodies, and now we feel it’s time to start a new blog series, the… Java 8 Friday Every Friday, ...

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How To Succeed in Software Without a CS Degree

This week I was approached by two individuals seeking advice on finding employment in a programming capacity, yet both lacked the traditional standard requirement for entry-level positions – the BS in CS (‘BSCS’). I get asked about entering the industry often, and each scenario has a unique wrinkle. The most recent candidates were a fresh Ivy League liberal arts grad ...

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Websockets with Spring 4

spring-interview-questions-answers

I am throwing the entire kitchen sink into a small web application that I am developing as part of this post – Spring Boot, Spring Integration, RabbitMQ and finally the topic of the post, the Websocket support in Spring MVC with Spring 4. Real-time quake listing application The final app will list the earthquake occurrences around the world and is ...

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IDE vs. Editor

Are you using an IDE, or an editor? Are you a “hardcore” programmer, or you are one of those sissy modern developers that use IDEs? Have you personalized your emacs or vim to make you 200% more productive? Or do you think that emacs is useless, at least for Java. Either way, it’s an interesting topic to discuss – what ...

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How to Eliminate Bugs Through High Cohesion

Intuition tells us that methods like these ones suffer from a distinct code smell:                     CompilationTask getTask( Writer out, JavaFileManager fileManager, DiagnosticListener<? super JavaFileObject> diagnosticListener, Iterable<String> options, Iterable<String> classes, Iterable<? extends JavaFileObject> compilationUnits ); Why is that so? Let’s delve into this intuition. Here is an example from the JavaCompiler Javadoc: ...

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