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 and clients have emerged as popular technologies on the Internet. Apache HBase is a hugely popular Hadoop NoSQL database.
Backbone.js gives structure to web applications by providing models with key-value binding and custom events, collections with a rich API of enumer
What is FindBugs?
This Pet Catalog app explains a web application that
uses Wicket, JPA, GlassFish and MySQL.
Number 3 in the Top 10 most critical web application security vulnerabilities identified by the Open Web Application Security
OWASP Top 10 number 2: Injection Flaws
This and the next series of blog entries will highlight the
10 most critical web application security vulnerabilities
identified by the Open
Web Application Security Project (OWASP).
Here is a review of some concurrency tips from Joshua Bloch, Brian
Goetz and others.
JPA Performance, Don't Ignore the Database
Good Database schema design is important for performance.
JPA Level 1 caching
JPA has 2 levels of caching. The first level of caching is the persistence context.