
Kundera – a JPA 2.0 (Java Persistence API) based ORM library was originally developed for Cassandra database. A support for Hbase was later added to...
0 replies - 3061 views - 11/13/12 by Amresh Singh in Articles

Hope you are having fun so far, but our application has serious performance defect. After measuring response times of the RandomOrgRandom class we...
0 replies - 1371 views - 11/11/12 by Tomasz Nurkiewicz in Articles

This post will take a slight detour from implementing the patterns found in Data-Intensive Processing with MapReduce to discuss something equally...
0 replies - 3333 views - 11/09/12 by Bill Bejeck in Articles

In the previous part we implemented our first actor and sent message to it. Unfortunately actor was incapable of returning any result of processing this...
0 replies - 2293 views - 11/08/12 by Tomasz Nurkiewicz in Articles

Before we proceed with the cloning concept let’s refresh our
basics with the object creation concept. When...
2 replies - 2030 views - 11/08/12 by Mainak Goswami in Articles

The Dependency Structure Matrix (DSM) is a very powerful and fancy tool to explore your project dependencies. In this article, based on chapter 7 of Sonar in...
0 replies - 3846 views - 11/08/12 by Patroklos Papapetrou in Articles

Polyglot persistence has been in the news since some time now. Kicked off by the famous Fowler post from end 2011 I see more an more nice ideas coming up....
1 replies - 4650 views - 11/06/12 by Markus Eisele in Articles

Note: This tutorial is by Nick Dimiduk and Amandeep Khurana, authors of HBase in Action
Geographic Information Systems (GIS) is an interesting area of...
0 replies - 3988 views - 11/04/12 by Eric Gregory in Articles

In graph theory and network science, a “supernode” is a vertex with a disproportionately high number of incident edges. While supernodes are rare in...
0 replies - 3422 views - 11/03/12 by Marko Rodriguez in Articles

ProblemYou're rendering data that increases exponentially, and wish to display a chart with a log-scale axis.Exponential data:Logarithmic scale rendering of...
0 replies - 2971 views - 11/02/12 by Gary Sieling in Articles

Java EE Servlet tutorial : Adding create, update and delete to the bookstore listing.
This tutorial is part of Java EE Tutorial covering JSP_2.2, and...
0 replies - 3703 views - 11/01/12 by Bill Digman in Articles

Editor's Note: This post was originally written by Peter Neubauer at the Neo4j Blog. Welcome everyone to the first Milestone of the...
0 replies - 2539 views - 10/31/12 by Andreas Kollegger in Articles

Introduction
Jawwa ZK Gritter is an open source library that can be used to add
Growl-like notifications to ZK apps. The library...
0 replies - 2949 views - 10/31/12 by Joonas Javanainen in Articles

Introduction
In part 1
I showed how server push and threads can be used to execute background
tasks in a ZK application. However, the simple example had a...
0 replies - 2501 views - 10/30/12 by Joonas Javanainen in Articles

Whether you’re combining data from two different data sources, have multiple purchases from the same customer or just entered the same data in a web form...
0 replies - 3272 views - 10/30/12 by Baxter Denney in Articles