I am on sabbatical in Vietnam right now, and today the country celebrates independence day. (On September 2, 1945, Ho Chi Minh gave his declaration of independence speech.… [read]

A HashMap has a better performance than a LinkedHashMap because a LinkedHashMap needs the expense of maintaining the linked list. The LinkedHashMap implements a normal hashtable,… [read]

Track your bugs efficiently using this open source products. Bug tracking system is a must for any project.… [read]

A brief but complete description how you can use OpenOffice.org to create PDF templates with fields that can then be filled with the iText PDF library. [read]

Both MongoDB and CouchDB are document-oriented datastores. They both work with JSON documents. They both are usually thrown into the NoSQL bucket. They’re both hip.… [read]

I'm bored of reinventing the wheel. Everytime I need a state machine to ensure my states traverse only valid transitions, I find myself either not bothering,… [read]

JBehave 3.0 was released yesterday (finally!!). I’m thrilled to have donated the Multi-tennant Spring Security example (which has been updated to JBehave 3).… [read]

Grazer continues his series on "Things I Love About IntelliJ IDEA" and discusses some of the features that he feels are on the more exciting side. [read]

The latest innovation in the Eclipse space that I'd like to share with you is Code Recommenders. Already available as a plugin for Eclipse, Code Recommenders provides intelligent code completion.… [read]

Background: I am java programmer with about 10 years knowledge in the area of java development. Mainly web programming with Frameworks like Struts, Struts2, Spring-MVC,… [read]

http://www.slideshare.net/dpunit/apache-wicket-a-comprehensive-introduction-presentation [read]

A distinguishing feature of the Groovy programming language is its builders. A Groovy builder lets you imbed hierarchical structures directly into your code.… [read]

Like Annotations, Generics are also a runtime metadata that you can process at the run time. Here you can see how to traverse the runtime information to get this information. [read]

<!-- google_ad_client = "pub-4444290871954368"; /* 300x250,… [read]

After four months in beta, the first release candidate of the open source database, PostgreSQL, is ready for download.  PostgreSQL 9.… [read]

Welcome to the roundup of blog posts and pages that mentioned Sonar last month… 5 Java powered open source tools for your team By Alex Collins,… [read]

Since Oracle acquired BEA, the company is the among the flock of Java Virtual Machine vendors. The JRockit Virtual Machine is touted to be one of the fastest virtual machines.… [read]

There’s a wide sense of lament since Oracle has taken over Sun and their intellectual property, including MySQL, Java, Solaris and their hardware sales business.… [read]

If you were wondering why I wasn’t updating this blog very often (or at all) during the last few months, I have an excuse: I was too busy writing a book! Finally, Alfresco 3 Web Services,… [read]

Problem While deploying JSF 2.0 web application to Tomcat 6.0.26, hits the “JSP version of the container is older than 2.1” exception and failed to start the Tomcat server.… [read]

In my previous post Concurrency 101 I touched on some of the key terms that often comes up when dealing with multi-core concurrency.… [read]

The Following intro is from a SpringSource Team Blog posting about Grails... "In the SpringSource training course for Groovy & Grails,… [read]

For the last ~1.5 years I have been working with IVR applications.… [read]

A fascinating look at the way that Google controls the pre-load (i.e. handset makers) side of Android via 8 different touch points. From the post-load (i.e.… [read]

‘Developer mindshare’... what’s that, and why would Oracle care?” [read]

Is Android really open?… [read]

ACID is hard to scale. But isn't NoSQL/NoACID the lazy way around the problem? Why not solve the ACID scalability problem instead of just going NoSQL? It's a hard problem to solve,… [read]

For the last ~1.5 years I have been working with IVR applications.… [read]

Walk-in Drive @ Mahindra Satyam Venue Details Walk-in : 28th Aug 2010 & 29th Aug 2010 <?… [read]

Israel Gat, Erik Huddleston and Stephen Chin present how Inovis realized a higher product throughput by using three Kanban practices – Stakeholder-based Investment Themes and Business Case Management,… [read]

By now, you probably know that Diaspora is a (as yet unpublished) social network where you own and control your private information.… [read]

http://java.dzone.com/clean_code_videos?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed:+javalobby/frontpage+(Javalobby+/+Java+Zone)&utm_content=Google+Reader [read]

When it comes to the Oracle lawsuit against Google regarding Android, many sites and news outlets say that “Android applications are written in Java”. [read]

This is the newest installment in my continuing series on Amazon spams (which I'm a fan of; see here, here, here, here, here). Although I have been receiving Amazon spams all the time,… [read]

This tutorial will walk through how to implement a CRUD (Create, Read, Update, Delete) DataGrid using ExtJS, Spring MVC 3 and Hibernate 3.5. What do we usually want to do with data?… [read]

Infinispan is an open source data grid platform, providing a highly scalable, low-latency in-memory key/value store which can act as a cloud-ready NoSQL database. 4.1.0.… [read]

Infoworld are reporting that Google has pulled out of presenting sessions at JavaOne. Which is probably not that big of a surprise considering Oracle decided to sue Google last month.… [read]

I thought for some reason this code was in FlowCover. It’s not, so here it is. The following routine, if added below -startAnimation: will cause the tiles to scroll to the specified tile,… [read]

As if web framework religious discussions weren’t annoying enough, one thing that I always think is missing from such debates is context regarding the type of application being developed.… [read]

The Following intro is from a SpringSource Team Blog posting about Grails... "In the SpringSource training course for Groovy & Grails, we highlight that Grails stands on the shoulders of giant.… [read]

Nuxeo introduces fise - an open source RESTful semantic engine to which NUXEO has made contributions.… [read]

After four months in beta, the first release candidate of the open source database, PostgreSQL, is ready for download.�� PostgreSQL 9.… [read]

This review is based on an MEAP version of the book, which means that it is a work in progress and not all of the chapters are available yet. So, my remarks might not be relevant to the final version.… [read]

I stumbled on the Mozilla Foundation’s Drumbeat project recently: Drumbeat gathers smart, creative people like you around big ideas,… [read]

If you wanted to check out some of the talks at the recent 2010 JVM Language Summit most of the sessions are now available to watch on the Oracle Media Network: Gathering the Threads -- JVM… [read]

Coming to your area: the 2010 Red Hat Road Tour. What makes this tour interesting? It's a half-day professional business conference about IT infrastructure: focusing on cloud computing,… [read]

I'm happy to report that I've been given company approval to port the relevant components of our Flex data binding library back to Eclipse Data Binding.… [read]

Does an in depth analysis of the lawsuit.… [read]

IceCube is a complete integrated environment for the simple authoring and publishing of complex and fully interactive 3D animations enriched by customizable and dynamic 2D interfaces.… [read]

The installer of version 1.6.10 (and 1.6.8) of TortoiseSVN has a bug that leads to an incomplete update.… [read]

Despite multiple articles on the importance of semantic messaging for services interoperability, there is very little practical guidance on using the industry specific common information models.… [read]

Spring has become a highly popular framework for the development of web applications, thanks to a compelling support for web features, both at its core and within extensions modules.… [read]

If Hibernate has been blocking your wicket app (or the other way around), check your web.xml [read]

Apparently computers are here to make life easier, but that’s news to us – all too often we find people executing the same boring repetitive sequence of commands to get a job done,… [read]

Drools Guvnor supports editable BPMN2 process in the browser via Oryx. Oryx is a web-based editor for modeling business processes hosted at Google Code. Oryx is also backed by Signavio,… [read]

There is a tendency to reach the debugger for every error that you run, but in most cases, it is the exception (and the exception stack) that provides enough to solve the problem in 99% of the cases. [read]

The first beta for the next version of JBoss' Weld is here. It has been approximately six months since JBoss released Weld 1.0.1, which added support for running on Google AppEngine.… [read]

This article introduces the steps involved in making a web application for Google App Engine platform that uses Google’s persistence and security infrastructure.… [read]

One of the kids in my kids' school has applied for a grant to buy a bus and convert it to run on biodiesel. Please support this endeavor by going to http://pep.si/9UBUgZ and voting. Vote every day!… [read]

Drools 5.1 has been released. The main focus for this release has been around improved consumerability for users with declarative services based on Spring,… [read]

This blog deals about why and how to use OSGi in web applications [read]

In my previous post on “OSGi Compliance”, I discussed the idea of making libraries ready for OSGi without depending on OSGi directly.… [read]

Entry posted to my new blog. [read]

As part of the GWT team's ongoing effort to address the needs of the Maven community, the Google Plugin for Eclipse (GPE) team is working to improve interoperability with Maven in future releases.… [read]

Today’s post highlights the design of SweetSallies.com. With a soothing background palette of teal and light aquamarine, and splashes of olive brown for the texts,… [read]

Typing on the command line isn’t easy. First, it takes a lot of time to learn how all the commands work, but then even after that you need to be very precise with your file and directory names,… [read]

One of the greatest frustrations for anyone who develops an HTML editor is the constant supply of people who are convinced they want to use BR tags instead of P tags.… [read]

Explore the benefits of JSON and XML in Android applications JavaScript - XML - Data Formats - Markup Languages - … [read]

According to Dictionary.com, a community is: 1. a social group of any size whose members reside in a specific locality, share government, and often have a common cultural and historical heritage. 2.… [read]

An introduction to clojure.test is easy, but it doesn't take long before you feel like you need a mocking framework. As far as I know, you have 3 options.… [read]

Monitoring big, distributed Java landscapes helps tremendously to keep complex applications under control. But many administrators spare the effort to set up monitoring: No time.… [read]

How to implement Request Reply Pattern [read]

It deals with identifying and freeing the memory of java application that are not used for a long time. There are two type garbage collection techniques, namely explicit and implicit methods. [read]

Working with root is either great fun or extremely dangerous, depending on how much you like the feeling of supreme executive power.… [read]

Problem In Eclipse IDE, while deploying a JSF 2.0 web application to Tomcat 6.0.26, hits the following exception and failed to start the Tomcat server. P.S Both jsf-api-2.1.0-b03.jar and jsf-impl-2.1.… [read]

In Agile, everyone agrees on the concept that continuous improvement is a good thing. In Scrum and also in most Kanban practices we even have a ceremony to support this, namely The Retrospective.… [read]

Does anyone else miss the old style Windows 3.1 directory list boxes? I find the new Windows 95 directory tree view controls pretty cumbersome to navigate around.… [read]

Klaros-Testmanagement is an Ajax-based web application to support test managers in controlling and managing the entire testing process in software development projects.… [read]

Ross Mason discusses enterprise mashups, what they are and how to use them by applying a number of patterns, such as FeedFactory, Super Search, and Pipeline,… [read]

Objects can also be expanded in relation to polymorphism since every subclass is also it’s own upper class.… [read]

I hold in august two presentations at the .Net User Group Bern together with René Leupold.  In both presentations the topic was object relational mapping in the .Net world.… [read]

Problem While deploying JSF 2.0 web application to Tomcat 6.0.26, hits the jstl class not found error. java.lang.NoClassDefFoundError: javax/servlet/jsp/jstl/core/Config ... Caused by: java.lang.… [read]

It happens from time-to-time and for a variety of reasons that one might want to have a back-up of a Subversion repository. This includes the normal back-up reasons for disaster recovery,… [read]

Explore the benefits of JSON and XML in Android applications JavaScript - XML - Data Formats - Markup Languages - … [read]

I am on sabbatical in Vietnam right now, and today the country celebrates independence day. (On September 2, 1945, Ho Chi Minh gave his declaration of independence speech.… [read]

The final release of the JSR 271 Mobile Information Device Profile 3 (MIDP 3.0) specification was done on December 9 2009. Unlike the earlier specifications, Oracle,… [read]

Ken Schwaber is the co-creator of Scrum with Jeff Sutherland. This is Part 2 of a multi-part interview with Ken, covering Scrum credentialing and testing, Scrum coaching,… [read]

This is mostly a test post to verify that this blog actually works again. I’ve made the switch from hosting it on a dedicated Linux machine to wordpress.… [read]

While storing information in memory is great, there comes a time your users will have to shut your application down.… [read]

While debugging you can see the call stack at any time you wish by pressing Alt+7. But what to see the callstack when your executable is running without a debugger?… [read]

LILO stands for Linux Loader. The contents of the /etc/lilo.conf file (in RedHat Linux 6) decide what LILO does during booting. [...] [read]

Luigi Arlotta concludes his series ‘A PHP Tutorial for Beginners’ with a discussion on Arrays. He also [...] [read]

Android-sms is an open source project which aims to create an Android application that automatically backs up SMS messages to Gmail. For using this Android application,… [read]

Is Android really open?… [read]

For some time now, we’ve had requests from the community to have a central point where people could have access to Screencasts and other Video related material that we provide. In response to that,… [read]

<!-- google_ad_client = "pub-4444290871954368"; /* 300x250, created 8/27/10 */ google_ad_slot = "0769129633"; google_ad_width = 300; google_ad_height = 250; //--> --<!… [read]

Here's a video of Ernest Lötter from ISS International (world leader in microseismological services and software for monitoring of mines) in Stellenbosch,… [read]

Blogger dosen't have a "popular posts" widget, and since I am using Google Analytics and there is a popluar posts metric, i decided to roll my own and host it using App Engine.… [read]

ACID is hard to scale. But isn't NoSQL/NoACID the lazy way around the problem? Why not solve the ACID scalability problem instead of just going NoSQL? It's a hard problem to solve,… [read]

Based on feedback from many of you, we are changing the way we handle Jive maintenance releases. These changes will provide you with higher quality maintenance releases on a more predictable timeline.… [read]

Entry posted to my new blog. [read]

Klaros-Testmanagement is an Ajax-based web application to support test managers in controlling and managing the entire testing process in software development projects.… [read]

Do you like IntelliJ IDEA? Do you enjoy attending developer conferences? Do you live in the UK? We’re not asking that without a reason.… [read]

If you have a directory that contains ten subdirectories and you want to delete three of them,… [read]

Nuxeo introduces fise - an open source RESTful semantic engine to which NUXEO has made contributions.… [read]

More examples [read]

New code. Now join with a delimiter or not. [read]

More examples [read]