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Carol McDonald

 

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This post will help you get started using Apache Spark DataFrames with Scala on the MapR Sandbox. The new Spark DataFrames API is designed to make big data processing on tabular data easier. A...

This tutorial will help you get started with Standalone Spark applications on the MapR Sandbox.
...

Recommendation engines help narrow your choices to those that best meet your particular needs. In this post, we’re going to take a closer look at how all the different components of a...

SQL will become one of the most prolific use cases in the Hadoop ecosystem, according to Forrester Research. Apache Drill is an open source SQL query engine for big data exploration. REST services...

This Pet Catalog app explains a web application that
uses Wicket, JPA, GlassFish and MySQL.

The Top 10 Web Application security vulnerabilities

OWASP...

This and the next series of blog entries will highlight the href="http://www.owasp.org/index.php/Category:OWASP_Top_Ten_Project">Top
10 most critical web application security...

Here is a review of some concurrency tips from Joshua Bloch, Brian
Goetz and others.


JPA Performance, Don't Ignore the Database

Database Schema

Good Database...

jpaconcurrency

JPA Caching

JPA Level 1 caching

JPA...

This Pet Catalog app explains a web application that
uses JSF 2.0, Java EE 6, GlassFish and MySQL. I took this
example  ...



jpaconcurrency

Optimistic Concurrency


JSF 2.0, JPA, GlassFish and MySQL

JSF 2.0, JPA,...




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Developing RESTful Web Services with JAX-RS, Netbeans, Glassfish
and MySQL

Yesterday I gave a talk at a the ...



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mysqlwebinar

Groovy and Grails...



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mysqlwebinar

Developing MySQL-...




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This is the fourth article in a series of articles on GlassFish and MySQL.
In Part 4, you'll learn how to create a RESTful web service for the web
application. You'll also examine a...




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dojo1

RESTful Web Services Pet...



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dojo1

Dojo REST Comet Hands On...



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dojo1

Dojo REST Comet...



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dojo1

Dojo 1.2 Presentation...




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