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Archived Developer Articles
09 Aug 2010
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"Learning Oracle GlassFish Server for Tomcat Users": Oracle White Paper [23345]
GlassFish: More than Just a Web Container

Developers currently working in Apache Tomcat could profit from reading the Oracle white paper "Learning Oracle GlassFish Server for Tomcat Users," which highlights the GlassFish features such as support for clustering, persistence, and messaging that, along with still others, are not available in Tomcat. Further, the white paper contends that, while comparable performance, the Web container features of Oracle GlassFish Server are far more extensible, modular, easy to use, and adaptable than those of Tomcat.
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01 Jul 2010
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"Rich Applications for Billions of Devices: What's New in LWUIT?" [23270]
Open-source, Platform-independent UI Toolkit for Mobile Developers

Developers of applications for mobile devices have traditionally faced a built-in limitation to the widespread deployment of their solutions, writes Terrence Barr in "Rich Applications for Billions of Devices: What's New in LWUIT?" According to Barr, the limitation results from the platform-specific nature of the graphical user interface (GUI) aspect of applications and its UI-related code, which typically makes up the bulk of the application. The answer, as he sees it is a well designed, highly portable, open source, and platform-independent UI toolkit with lightweight memory and resource requirements. LWUIT, in a word.
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22 Jun 2010
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"Optimizing Applications with Oracle Solaris Studio Compilers and Tools" [23239]
Oracle White Paper Demonstrates Resulting Performance Gains

"Optimizing Applications with Oracle Solaris Studio Compilers and Tools" is an Oracle white paper that offers an overview of Oracle Solaris Studio 12 Update 1 software. It includes recommendations for selecting the compiler flags, options, and development tools necessary for the optimal compiling and tuning of the high performance SPARC and x86 processors commonly found in current server product lines.
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11 May 2010
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"Parallel Programming with Oracle Developer Tools" [23114]
Oracle White Paper Examines Programming Model with Emphasis on OpenMP and MPI

"Parallel Programming with Oracle Developer Tools," an Oracle White Paper, addresses the audience of developers interested in learning about parallel programming. The white paper explains that OpenMP provides for parallelization of applications running within a single multicore-based system, while MPI provides for parallelization of applications running across many such systems, often referred to as a compute cluster.
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29 Apr 2010
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Java Applets and the Java SE 6 Update 19 or 20 [23077]
Know How to Mix Signed and Unsigned Code

If you upgraded to Java SE 6 Update 19 and/or 20 and are having issues with JavaFX applets, then you might be having trouble with a mix of signed and unsigned code. Not only is this bothersome but it also could potentially be unsafe unless the mixed code was intended by the application vendor. A Java SE document explains the issue and how to ensure application and applet security.
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13 Apr 2010
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HTML5 Server-Push Technologies [23016]
HTTP, AJAX, Comet -- Milestones Along the Way

A recent article in java.net details information on two important components of the upcoming HTML5 specification, Server-Sent Events and WebSockets. Author Gregor Roth begins his piece, which is Part 1 of a series, with a review of the technologies that have served web users over the years, beginning with Hypertext Transfer Protocol (HTTP), and then moving to both AJAX (useful for pulling data requests from the server) and Comet or "reverse AJAX" (which defines the architecture for pushing data from the server to the client).
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