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Web Applications

Sun Microsystems is a silver sponsor of The 2007 Rich Web Experience. This conference is targeted for web designers, software architects, programmers, developers, and technical managers interested in learning about the hot areas in Web. JavaScript, Ajax, CSS, RIA, Design and much more content related to Web will be covered in 6 parallel tracks in 50 sessions by over 35 speakers. Venue:...
on Sep 5, 2007
As a newbie to Rails, "Gem" and "Plugin" terminology was slightly confusing to me. Specifically I saw the terms being used interchangeably sometimes. This TOTD highlights the difference between Ruby Gem and Rails Plugin. Ruby Gem and Plugin are both packaging systems - the main difference is the scope in which they are effective. The common differences are highlighted in...
on Sep 4, 2007
In a recent interview, David Heinemeier Hansson (creator of Rails) talks about the upcoming Rails Conf Europe, future of Rails, JRuby and other things. Here are some quotes ... On JRuby and Rails JRuby is a great way to open the conversation with enterprises by saying, You don't have to throw out all this "junk" you've accumulated over the years, Ruby is just an incremental...
on Sep 1, 2007
The jMaki tutorial from SWDP explained the different approaches to load your own data into a jMaki widget. The jMaki widget models have formalized since then and so the code there no longer works. This TOTD explains how a combo box widget in a JSP page gets it data from a bean. This TOTD uses NetBeans IDE configured with jMaki plugin and GlassFish. Create a new Web application project using...
on Aug 30, 2007
Doris pointed out that one of my earlier post is not working any more. That entry explained the steps to create a Web application, deployed on GlassFish V2, and contained a jMaki-wrapped Yahoo Data Table widget pulling data from JavaDB using the JPA. The main reason for this is because jMaki data models have evolved since I wrote the original entry and are now formalized. Here is the delta...
on Aug 27, 2007
ActiveRecord-JDBC 0.5 is now available. As mentioned earlier, one of the main features in this release is simplified database configuration for JRuby-on-Rails applications. From the release notes: It is no longer necessary to specify :driver and :url configuration parameters for the mysql,  postgresql, oracle, derby, hsqldb, and h2 adapters. This means that if you deploy a Rails...
on Aug 27, 2007
jMaki is a light-weight framework for build Web 2.0 applications. It provides support for multiple languages - Java (1, 2, 3, 4, 5, 6) , PHP, Ruby (1, 2), Phobos (1). The numbers in parentheses indicate the entries that I've created showing jMaki support for that language. As evident, I've not created a single entry for PHP yet. This entry is going to change that :) This entry shows how to...
on Aug 24, 2007
Quercus is Caucho Technology's 100% Java implementation of PHP 5. Ludo described the steps to deploy PHP web applications on GlassFish. Caucho has released a new version of Quercus since then. This blog entry is an update to the steps described earlier. First, PHP-enable GlassFish. Unjar quercus-3.1.1.war and copy the JAR files in "WEB-INF/lib" directory to "GLASSFISH_HOME...
on Aug 24, 2007
In a previous screencast, I showed how to develop a Rails application fetching data from the MySQL database and deploy it in GlassFish. GlassFish comes pre-bundled with JavaDB. Based upon a user request, this TOTD shows to use JavaDB database instead of MySQL. Here are the steps required to replace MySQL database configuration with JavaDB. You can either mix these steps with the existing...
on Aug 20, 2007
Here are few pointers to get you started on Ruby-on-Rails in GlassFish and NetBeans: GlassFish JRuby wiki NetBeans Ruby wiki Ruby Demos and Tutorials JRuby posts from TheAquarium Planet NetBeans (aggregated feed for everything related to NetBeans) Technorati: ruby jruby glassfish netbeans rubyonrails ror
on Aug 17, 2007
In a previous screencast, I showed how a Rails application can be deployed as WAR file on GlassFish V2. In GlassFish V3, the Grizzly connector by-passes the need to bundle a Rails application as WAR. Instead it directly invokes JRuby interpreter and deploys a Rails application without any modification. This blog entry describes the exact steps to deploy your first JRuby application in...
on Aug 13, 2007
As reported earlier, Sun Microsystems and Joyent co-sponsored a free JRuby on Rails: Power plus simplicity Hackday. This event happened yesterday at Axis Cafe, San Francisco and the room was completely sold out. I reached the venue around 2:30pm and was pleasantly surprised to see an almost full room. Stephen (from Sun) kick started the event by introducing the speakers. The event started with a...
on Aug 9, 2007
UPDATE: Simplified steps for GlassFish V2 are available here and for V3 here. Earlier in a three-part series (part1, part2, part3) I showed how a JRuby application can be deployed on GlassFish. This screencast consolidates all the entries together and shows how such an application can be developed and deployed using NetBeans Ruby IDE. Enjoy it here! The screencast is divided in...
on Aug 8, 2007
Get ready for an interactive afternoon of coding and discussion on JRuby and GlassFish on Aug 8th in San Francisco, CA. In this free event, JRuby on Rails: Power plus simplicity, learn how to code and deploy a JRuby on Rails application that harnesses the expansive collection of first-rate Java libraries. The complete agenda is available here. Here are the pre-requisites...
on Aug 7, 2007
This second screencast of the Creating Mashups with jMaki Series show how jMaki allows to embed and interact with map widgets in your application. This screencast shows how to creates two mashups - the first one is where a city location is keyed from name and displayed in map widgets from two different toolkits, and the second one shows how to extract data from Craig's List...
on Aug 6, 2007
SAVE THE DATE: Aug 23, 2007, 9:00am to 12:00pm This event is the first ever public jMaki User Group meeting at Sun Microsystems Santa Clara Campus. This is your chance to hear the latest and greatest in jMaki. The talks will have a variety of demos from drag/drop in NetBeans and Eclipse IDE and deployment on GlassFish to complex mashups. A quick introduction to jMaki is here. This is a FREE...
on Aug 3, 2007
As reported earlier jMaki and GlassFish, along with a host of other Sun-led open source technologies (NetBeans, OpenJDK, OpenDS, Project Indiana, etc.), were present at OSCON 2007 last week. I spent my entire 2 days at the jMaki booth which had a consistent stream of visitors on both the days. In case you are interested, here is what I presented: What is jMaki ? Running...
on Jul 31, 2007
A jMaki widget in a page can communicate with: Other widgets on the same page using publish/subscribe mechanism Services in the application domain using service="data.jsp". Services outside the application domain using proxy (xhp). This blog entry explains how external services can be accessed by jMaki widgets. This image shows a Web application with multiple pages (Page1...
on Jul 27, 2007
What is jMaki ? If you have been following my blog, then you know it already. But a picture is worth a thousand words so here it is. One-liner: jMaki is a light-weight framework for building Web 2.0 applications. The "j" is for JavaScript and "Maki" means to wrap in Japanese. The logo is a Kanji symbol that means to wrap. Three key points about jMaki: Toolkits - It allows...
on Jul 26, 2007
I updated the running log filter to the one given below. This allows me to generate the total running mileage of all the weeks. The changes are highlighted in this color: jmaki.namespace(&quot;jmaki.filters&quot;);<br><br>myDays= [&quot;Monday&quot;,&quot;Tuesday&quot;,&quot;Wednesday&quot;,&quot;Thursday&quot;,&quot;Friday&quot;,&...
on Jul 25, 2007