InfoQ Homepage Development Content on InfoQ
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Keeping Garbage Collection Pauses Short with Growing Heap Sizes: Q&A With Dr. Cliff Click
The strong correlation between heap size and garbage collection pause time is becoming one of the major limitations to Java application scalability, and a great deal of R&D effort is going into trying to remedy the situation. InfoQ talked to Dr. Cliff Click, former architect and lead developer of the HotSpot Server Compiler and now chief JVM Architect at Azul Systems, about Azul's solution.
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Upgrading InfoQ.com's Database: Mostly Smooth, A Couple of Bumps
Recently, InfoQ.com upgraded the backend database that we've used since launch. However, everything did not go according to plan, and even though the vast majority of the migration was smooth we encountered some unexpected issues along the way (which have now been resolved). This post will discuss what our plan was, what worked and what didn't, and how we detected and recovered from the errors.
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Python Could Become the Language of Finance
The SEC is proposing that most Asset Backed Securities include a downloadable “program that gives effect to the flow of funds, or “waterfall,” provisions of the transaction”. If the proposal is passed, this program would have to be written in Python and posted EDGAR.
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Pushing Messages from the Cloud with Amazon Simple Notification Service
Amazon has launched a new service called Simple Notification Service (SNS) providing the means for setting up, publishing and sending notifications from the cloud, targeting monitoring applications, workflow systems, mobile applications or other notification-based applications.
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Silverlight Toolkit Has Dropped Support for Silverlight 3 and Visual Studio 2008
The Silverlight Toolkit has been an integral part of the Silverlight platform since it first appeared in 2008. Now on its seventh edition, support for Visual Studio 2008 and Silverlight 3 have been dropped in favor of recently released Visual Studio 2010 and Silverlight 4.
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JRebel 3.0 Release - Hotswap Reloaded
JRebel 3.0 was released on April 16th. It targets turnaround time in Java development by removing the need for redeployment. Instead it supports advanced class reloading. The article details updating Java classes at runtime and provides an overview of the technologies used in JRebel and especially the improvements of the recently version 3.0.
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ECMA Common Language Infrastructure 5th Edition
The ECMA working group in charge of the Common Language Infrastructure standard has produced released a working draft of the 5th edition. The CLI represents the subset of Microsoft’s .NET platform that has been placed in the care of Ecma International. Originally known as the European Computer Manufacturers Association, Ecma International both competes with and complements ISO.
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Mahout 0.3: Open Source Machine Learning
The need for machine-learning techniques like clustering, collaborative filtering, and categorization has steadily increased the last decade along with the number of solutions needing quick and efficient algorithms to transform vast amounts of raw data into relevant information. Apache Mount 0.3 has been announced on March, adding more functionality, stability and performance.
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Deceptive Simplicity: Sinatra Turns 1.0
Since it appeared in late 2007, the lightweight Sinatra web framework has attracted enough interest that it now ranks first in Google search results for "Sinatra," above any results for Frank or Nancy. InfoQ spoke with Sinatra project founder Blake Mizerany to learn more about Sinatra and what the 1.0 release brings.
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Toad for Oracle Has an Extension for Visual Studio 2010
Toad is a set of database administration, development and performance optimization tools for major databases like Oracle, DB2, SQL Server, or MySQL. Quest Software has created a Visual Studio Extension for Toad for Oracle in order to benefit from VS features like code refactoring, version tracking, collaboration, unit testing or life cycle management.
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A Packaging System for Open Source Projects on Windows
The Common Opensource Application Publishing Platform (CoApp) is intended to be a package management system for Windows, providing support for compiling, building and deploying open source projects usually developed on other platforms like Linux, Mac OS, etc.
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Scooter Framework; Java Made CRUD And Simple
The Scooter framework has been inspired by the simplicity of use exhibited in ROR. The framework presents an alternative for developing Java web apps using Struts, Spring and Hibernate, with a CRUD generator and the ActiveRecord as key features. The intent of the Scooter is that XML editing and annotations are not required, and that only basic knowledge in Servlet/JSP and JDK1.4 is necessary.
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SpringSource Acquires RabbitMQ
VMware business unit SpringSource announced today that it had acquired Rabbit Technologies. Rabbit Technologies is the primary sponsor of the open source RabbitMQ messaging system.
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IronRuby 1.0 Released
IronRuby 1.0 is now available. The release is compatible with Ruby 1.8.6 and runs Rails 2.3.x. The next 1.x releases of IronRuby will target Ruby 1.9.
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Maven, Ant, Rake: JRuby 1.5 Enhances Configuration Management
With its upcoming 1.5 release, anticipated at the end of April, the JRuby project is continuing to improve interoperability between Java and Ruby by providing integration with Maven, Ant and Rake. Ruby developers will be able to take greater advantage of strengths of the Java platform, while Java developers will find more reasons to mix Ruby tools into their existing projects.