Links for March 26th through March 28th

Links for May 25th through May 26th

Daily del.icio.us for December 2nd through December 7th

Daily del.icio.us for March 24th through March 27th

  • JPivot – Home – JPivot is a JSP custom tag library that renders an OLAP table and let users perform typical OLAP navigations like slice and dice, drill down and roll up. It uses Mondrian as its OLAP Server. JPivot also supports XMLA datasource access.
  • olap4j: Open Java API for OLAP – olap4j is designed to be a common API for any OLAP server, so you can write an application on one OLAP server and easily switch it to another. And built on that API, there will be a growing collection of tools and components
  • Mistaeks I Hav Made: Mapping Inheritance Cleanly with XStream – This works with multiple subclasses and with SingleValueConverters. As long as you can determine the concrete type to be unmarshalled from the contents of the marshalled element, you can use this technique to elide the class attribute and get cleaner XML.
  • Amazon Web Services: No Open Cloud Manifesto for us | Between the Lines | ZDNet.com – Amazon will join Microsoft as two big cloud computing players not signing on to the Open Cloud Manifesto.

    The manifesto, which has raised a ruckus following a Microsoft blog post, is set to be released Monday with IBM as the ringleader. Given the hubbub it was only natural to wonder where Amazon Web Services, one of the premier cloud computing players stood

  • MapReduce programming with Apache Hadoop – JavaWorld – Google and its MapReduce framework may rule the roost when it comes to massive-scale data processing, but there's still plenty of that goodness to go around. This article gets you started with Hadoop, the open source MapReduce implementation for processing large data sets
  • RSS to PDF Newspaper – This is a free software project to let people create printable PDFs from content found on the web. It is a free alternative to HP's Tabbloid service. It is being developed as part of the Five Filters project to promote alternative, non-corporate media.
  • Oracle: If RHEL were free, we wouldn’t compete | The Open Road – CNET News – Now we find out that it's not a question of support at all, but rather that Oracle simply wants Linux to be free. Why? Because that makes its overpriced software seem cheaper.

    At least Oracle is being honest now. Coekaerts' argument is cheeky, but it makes strategic sense for Oracle. It just makes no financial sense for Red Hat.

  • Ubuntu promises DIY Amazon cloud • The Register – The Jaunty Jackalope edition of Ubuntu, version 9.04, due in April, will let you take existing Amazon Machine Images (AMIs) from Amazon's Elastic Compute Cloud (EC2) and run them on your own Ubuntu servers.
  • Book Review: Pragmatic Thinking & Learning – Andy Hunt, co-author of several titles in the Pragmatic Programmers series, has turned his pragmatic prism on our brains. His new book, Pragmatic Thinking and Learning: Refactoring Your Wetware, is a delight to read, provided you understand the vocabulary of agile development. It could be a perfect gift for your favorite geek this holiday season.
  • jaxb: A JAXB Tutorial – Wolfgang Laun has created an outstanding tutorial. Wolfgang’s tutorial is possibly the most comprehensive (and most current) information on every aspect of JAXB. I highly recommend it both as a getting started guide and a reference.

Daily del.icio.us for December 27th through December 30th

  • La terraza de Aravaca: Lessons learned using GWT, Axis and JPA simultaneously – Here you have some lessons learned that should be taken into account when working with the Google Web Toolkit, Axis and any of the JPA implementations out there
  • PDF embed code generator – This code generator can generate two kinds of PDF embedding code: pure standards-compliant HTML markup, or JavaScript-based PDFObject code. The generator also makes it easy to customize your embed code using Adobe's optional PDF Open parameters.
  • JSP – Create Custom Tags for Beginners | Techie Zone – JSP Tags acts as a plugin to your JSP pages. These are basically Java Classes that get executed when jsp page get rendered by server and browser. JSP comes with in build Tags like jsp:include, jsp:forward, but they are not sufficient to cater to the Web World. To overcome this problem you can design tags based on your business requirement. This article will guide you how we can create an custom tags for JSP.
  • Design Pattern Interview Questions Part (3) – C#, ASP.Net, VB.Net – To give you a practical understanding i have put all these design patterns in a video format and uploaded on http://www.questpond.com/FreeDesign1.htm . You can visit http://www.questpond.com/ and download the complete architecture interview questions PDF which covers SOA , UML , Design patterns , Togaf , OOPs etc.
  • Memoization in Java Using Dynamic Proxy Classes | O’Reilly Media – Memoizing a function adds a transparent caching wrapper to the function, so that function values that have already been calculated are returned from a cache rather than being recomputed each time. Memoization can provide significant performance gains for computing-intensive calls. It is also a reusable solution to adding caching to arbitrary routines.
  • YUI Theater — Douglas Crockford: "Ajax Performance" » Yahoo! User Interface Blog – Douglas Crockford returns to YUI Theater with another chapter in his evolving lecture series. This session, “Ajax Performance,” debunks common misconceptions about the relationship between JavaScript and performance and gives engineers a core focus for improving the performance of web apps
  • giver – Google Code – Giver is a simple file sharing desktop application. Other people running Giver on your network are automatically discovered and you can send files to them by simply dragging the files to their photo or icon shown in Giver. There is no knowledge or set up needed beyond what the person looks like or their name to use Giver.
  • Google, WalMart, and MyBarackObama.com: The Power of the Real Time Enterprise – O’Reilly Radar – What do Google, WalMart, and MyBarackObama.com have in common, besides their extraordinary success? They are organizations that are infused with IT in such a way that it leads to a qualitative change in their entire business
  • Fast and ‘free’ beats steady and paid on MySQL • The Register – It appears that since being acquired by Sun Microsystems, MySQL's process has been slowed by a 30,000-person bureaucracy, and the open source community has the patience of a six year old.
  • InfoQ: Architecting for Green Computing – In an article entitled “Green Maturity Model for Virtualization”, Kevin Francis and Peter Richardson explain how to use virtualization to reduce energy consumption. They see 4 types of computing: Local, Logical, Data Center and Cloud Computing, the last offering the most advanced form of virtualization and therefore representing the greenest computing

Daily del.icio.us for August 11th through August 15th

  • LocalCooling – Free Power Management Tool to Optimize Energy Savings – LocalCooling is a 100% FREE power management tool, from Uniblue Research Labs, that allows users to optimize their energy savings in minutes and as a result reduce greenhouse gas emissions.
  • Type-safe Builder Pattern in Java « Michid’s Weblog – Recently I read this rather fascinating post about a Type-safe Builder Pattern in Scala. When Heinz Kabutz mentioned the builder pattern in his latest issues of the The Java Specialists’ Newsletter I decided to try to come up with a type safe version for Java.
  • leejeok: Setup Java, Tomcat, MySQL on Ubuntu (JSP Hosting) – This tutorial will lead you to setup a simple JSP hosting on Ubuntu machine. You may want to consider this as a basic setup to host any of your web application which developed using Java – JSP or Servlet, Tomcat and MySQL
  • InfoQ: Spring 2.5: New Features in Spring MVC – This article is the second part of a three-part series exploring annotations introduced in Spring 2.5. It covers annotations support in the Web layer. The final article will highlight additional features available for integration and testing.
  • jetlang – Message based concurrency for Java – Jetlang provides a high performance java threading library. The library is based upon Retlang. The library is a complement to the java.util.concurrent package introduced in 1.5. The library should be used for message based concurrency similar to event based actors in Scala. The library does not provide remote messaging capabilities. It is designed specifically for high performance in-memory messaging.
  • keyczar: Toolkit for safe and simple cryptography – Google Code – Keyczar is an open source cryptographic toolkit designed to make it easier and safer for devlopers to use cryptography in their applications. Keyczar supports authentication and encryption with both symmetric and asymmetric keys
  • Linux.com :: Using free software for HTTP load testing – A good way to see how your Web applications and server will behave under high load is by testing them with a simulated load. We tested several free software tools that do such testing to see which work best for what kinds of sites.
  • Op-Ed Columnist – Eight Strikes and You’re Out – Op-Ed – NYTimes.com – Senator McCain did not show up for the crucial vote on July 30, and the renewable energy bill was defeated for the eighth time. In fact, John McCain has a perfect record on this renewable energy legislation. He has missed all eight votes over the last year
  • IntelliJ IDEA Blog » Blog Archive » IntelliJ IDEA 7.0.4 Takes Off – Good news, everyone! We’re happy to announce the release of IntelliJ IDEA 7.0.4! Though this is a regular maintenance release, we have some cool stuff (besides performance improvements and bug-fixes — things you can typically find in any maintenance release) up our sleeve for you: Reworked Ruby, JRuby and Rails support, Way better smart Maven integration, Version control with Subversion 1.5
  • Hadoop: When grownups do open source | The Register – Despite being a canon of Java engineering, Hadoop is actually pretty useful, if you've got a problem it can solve.

Daily del.icio.us for February 27th through March 3rd

  • Microsoft to offer hosted versions of SharePoint and Exchange to SMBs – Yahoo! News – Microsoft has opened up its hosted version of SharePoint and Exchange to SMBs as it tries to take advantage of the demand for software as a service.
  • Feeling tired? Exercise a little – WASHINGTON (Reuters) – Couch potatoes who complain they are tired all the time have an easy solution — a little light exercise. Regular, low-intensity workouts such as a leisurely stroll can boost energy levels by 20 percent and decrease fatigue by…
  • Flex 3:Feature Introductions: OLAPDataGrid – Adobe Labs – Leveraging the capabilities of AdvancedDataGrid, OLAPDataGrid provides a customizable and configurable UI which is capable of consuming the result set of a multidimensional query and displaying it in a cross-tab fashion.
  • BlazeDS – BlazeDS – Confluence – BlazeDS is an open source set of libraries which can be added to Java-based web applications to enable a more simple and efficient means of communicating between Flex and Java. BlazeDS includes an RPC style remoting library and a realtime messaging system
  • InfoQ: Flex 3.0: Update From Adobe’s James Ward – With the production release of Flex 3, InfoQ sat down with Adobe’s James Ward to find out more about Flex 3. Last year, Ward gave InfoQ readers an overview of Flex 3 and discounted a number of Flex misconceptions.
  • Flex cookbook beta – Building Flex Applications with JSPs – Flex can make requests to your existing JSPs using the HTTPService object. These requests can work with any JSPs. A Flex application contains all of the view logic so the JSPs should not return HTML but rather just serialized data
  • Flex cookbook beta – Multiple Column Sorting using the AdvancedDataGrid control – AdvancedDataGrid supports multiple column sorting and the sort indicators and interaction can vary based on the value of the sortExpertMode property.
  • Gears and AIR: The Open Source Difference on Dion Almaer’s Blog – Gears and AIR are very different, and although there is an overlap, they are complementary too. I would love to see some convergence in the future where Gears and AIR APIs join together. That would be a win win for everyone in my opinion. I would also lov
  • WWTelescope – The WorldWide Telescope (WWT) is a rich visualization environment that functions as a virtual telescope, bringing together imagery from the best ground and space telescopes in the world for a seamless, guided exploration of the universe. WorldWide Telesco
  • Vijay Mandava’s Blog: WLS 10.3 Tech Preview supports SCA – Since WebLogic 10.3 Tech Preview includes an SCA runtime customers now have multiple technology choices to build their business logic — POJO, EJB, Spring or SCA. By including the SCA runtime on WLS, customers can take advantage of the RASP functionality