Javalobby | The heart of the Java developer community

David Salter12/23/11
3482 views
1 replies

Creating Calendar Based Timers in Java EE 6

Java EE 6 allows developers to create application timers that are initialized when either a Stateless Session Bean, a Singleton Bean or a Message Driven Bean are deployed to the application server. To indicate that a method on any of these beans is to be...

Jason Baldridge12/23/11
3493 views
0 replies

First steps in Scala for beginning programmers, Part 2

This is the second in a planned series of tutorials on programming in Scala for first-time programmers, with specific reference to my Fall 2011 course Introduction to Computational Linguistics. You can see the other tutorials here on this blog; they are...

Mike Ensor12/23/11
5833 views
0 replies

Maven + JavaScript Unit Test: Running in a Continuous Integration Environment

So you're still interested in unit testing JavaScript (good). This post is an extension of my much more indepth first posting on how to unit test JavaScript using JS Test Driver. Please check it out here. Recap Last PostingIn the last posting we...

Zac Wolfe12/22/11
2637 views
2 replies

A class for adding "standard" hierarchical selection behavior to your CheckboxTreeViewer

We've all seen this in numerous applications: checking a node in a checkbox tree widget selects all descendants and grays out all ancestors. Similarly, unchecking a node recursively executes the same logic in reverse.

Mitch Pronschinske12/22/11
5398 views
1 replies

LinkedIn Open Sources IndexTank - A Search System Kinda Like Solr

Big news for the world of open source search. IndexTank, a real-time search and indexing system recently acquired by LinkedIn, has just been officially open sourced under the Apache 2.0 license. LinkedIn promised to open source the technology after they...

Mitch Pronschinske12/22/11
6295 views
1 replies

Apache Mahout - 2 Demonstrations

Lucid Imagination recently hosted the first San Francisco Apache Mahout User Meeting on November 29th 2011. The 3 hours session was packed with talks by Grant Ingersoll from Lucid Imagination and Ted Dunning of MapR Technologies followed by networking,...

Brian O' Neill12/22/11
4949 views
2 replies

Virgil: a GUI and REST layer for Cassandra

Love Cassandra? Love REST?Wish you could have both at the same time?Now you can.After much discussion, I'm happy to announce the birth of a new project, Virgil. The project will provide a GUI and a services layer on top of Cassandra, exposing data and...

Mitch Pronschinske12/22/11
5321 views
2 replies

How Operations Can Support Continuous Deployment

Learn about how you can harness monitoring, escalation, and capacity planning to implement continuous deployment in your organization.Continuous deployment has...

David Salter12/22/11
8529 views
4 replies

Using GlassFish from Eclipse

When I think of developing apps using GlassFish, I usually think of using NetBeans for the development. As you'd expect however, Oracle provides some good tooling to allow you to develop against GlassFish from within Eclipse - even to the point of...

Tomasz Nurkiewicz12/22/11
4545 views
2 replies

Enabling JMX in Hibernate, Ehcache, Quartz, DBPC and Spring

A collection of short how-to's for enabling JMX in several popular Java technologies.Continuing our journey with JMX (see: ...JMX for human beings) we will learn how to enable JMX support (typically statistics and monitoring capabilities) in some popular...

Singaram Subramanian12/22/11
6345 views
1 replies

NoSQL at Twitter: Why / How they use Scribe, Hadoop/Pig, HBase, Cassandra, and FlockDB for data analytics?

Here’s some interesting NoSQL stuff guys.

Jens Schauder12/22/11
2368 views
6 replies

Sketch and Test

I try to do TDD as much as I can. But sometimes (for example last Friday) I don’t know how to get started. This happens when I don’t have a plan of how the code should look in the end, possibly because don’t completely understand part of the problem....

Jelle Victoor12/22/11
3401 views
3 replies

How I Was Convinced to Try Scala

The passion of the Scala community has been the key factor that has endeared many developers to the rising JVM language.For over a full year now, I’ve been looking into Scala. I have heard many people talk about it passionately and it just got me...

Mitch Pronschinske12/21/11
3996 views
2 replies

Ask DZ: How do you like YOUR Java?

Many of the veterans on Javalobby have been working in Java environments for years and years. I'm sure many people have widely varying opinions about the development and deployment processes that they use. An interesting post titled "How I like my...

Mats Lindh12/21/11
3003 views
0 replies

Solr: Missing Geographic Distance in Response When Using 'fl=_dist_:geodist()'

A question that arose recently at the Freenode Solr IRC channel was about _dist_:geodist() failing to include a field named _dist_ in the response – a field which would contain the return value from geodist(), which would be the distance from the source...