There is a bit of a dual relationship between testing and refactoring. On one hand, good test coverage allows you to refactor with confidence: the tests tell you whether or not you broke things. On the other hand, if the refactoring you want to execute has a large impact on the test suite, you're held back in two ways: the extra work required to rework the tests, and the possibility of introducing bugs in the tests while reworking them, which reduces your refactoring confidence.

The goal of this series is to introduce programming patterns and practices to developers who have little to no familiarity with them. This series does not intend to dive into the intricacies of each pattern / practice, but to give a brief overview that will (hopefully) inspire developers to learn more about them.

A side by side display of the various blend modes that are available within JavaFX.

After trying for weeks to integrate Flex and BlazeDS into Grails, in vain, I’ve decided to come back to vanilla Spring/Hibernate for Conference Guide server. And I took the opportunity to upgrade my todolist sample application, the one featured in the article published both on this blog and on the Adobe Developer Connection.

Gradle is a build system to build software projects. Gradle supports convention over configuration, build-in takss and dependency support. We write a build script in Groovy (!) to define our Gradle build. This means we can use all available Groovy (and Java) stuff we want, like control structures, classes and methods. In this post we see how we can use Gradle to build a very simple mixed Java and Groovy projec

Rayures is a plugin for Stripes that I've been working on to integrate Velocity along with several conveniences to make developing with Stripes even more enjoyable. The plugin is still a work-in-progress, but it's decent enough for a test-drive and I'd sure appreciate some feedback, so check it out and let me know what you think.

IP Address 0-255.0-255.0-255.0-255 , validate with regular expression

Google search trends and Job trends for some software technologies.

You should precompile your JSP's. If you didn't know how to do this before ... you no longer have that excuse.

Sometimes you want to lock down your webapp some more without changing the code. With the Tuckey UrlRewriteFilter and some creativity, you now have some new tricks.

Example to show how to validate image file extension with regular expression

This is a follow up post regarding some of the issues of using the JavaFX Production Suite. Specifically dealing with the way the tool generates coordinates and a request for good cloning support in JavaFX.

Google created Easy tools for developing JavaScript code.

On behalf of the IzPack project development team, I am pleased to announce the immediate availability of IzPack 4.3.2 which can be downloaded from our official website at http://izpack.org/.

Good times from Adobe Max 2009!

The Health Center provides live information and recommendations about classes being loaded, the virtual machine environment, garbage collection, locking, and profiling. This article introduces you to the Health Center and shows an example of how it can be used to check the impact of a source code change in a Web application.

Proxisoft has released the Netrifex platform for web service enabling existing Java applications. Add SOAP and REST endpoints at runtime. No source code modifications required. Netrifex Instantly Adds Web Services to Existing Java SE and Java EE Applications, Enabling Rapid and Low Cost Deployment of Web Services Across the Enterprise

This article follows the previous one concerning the really useful and undocumented features of Junit. One that is really interesting is @Rule.