InfoQ Homepage Architecture & Design Content on InfoQ
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Object Relational Mapping - User Case Studies
Roberto Zicari, from ODBMS.org, collected interviews and stories from several users of Object/Relational mapping technologies. The main point of the cases was around "impedance mismatch" between the object technology in the domain model and the relational technology in the data model.
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Castle Project Founder Joins Microsoft
The founder of the Castle Project, Hamilton Verissimo de Oliveira, has decided to join Microsoft as Project Manager of the MEF team according to his blog. Castle is a .NET open source project intended to help enterprise and web development.
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Functional Test Workshop from the Agile Alliance
The second Agile Alliance Functional Testing Tools Workshop is being held the day before Agile 2008 (Monday August 4). This is the second workshop being held this year and its goal is “advance the state of the art of automated functional testing tools used by Agile teams to automate customer-facing tests”.
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Web services orchestration engine Apache ODE 1.2 Released
The Apache ODE team announced this month the 1.2 release of the Apache ODE project. These releases includes many new features, including external variables,support for WSDL HTTP binding and REST-style Web Services advanced endpoint configuration, and a lot of small improvements and bug fixes.
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Thoughts On Software Architecture and Corporate Structure
Many important challenges faced by a software architect for a large company have as much to do with the organization as technology. In a recent blog entry, Dan Greenblog drew parallels between the principals behind software architecture and effective organizational structures.
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Interview: Avi Bryant on DabbleDB, Smalltalk and Persistence
In this interview from QCon 2008, Avi Bryant talks about his Smalltalk web framework Seaside and DabbleDB. Also: Avi explains how DabbleDB uses Smalltalk images for persistence instead of an RDBMs and how to make Squeak scale.
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JRuby Roundup: 1.1.3, rcov4jr, Rubinius MVM and FFI
JRuby 1.1.3 was released with Gems 1.2, improved performance, and many other fixes. Meanwhile the library support for JRuby increases, with a JRuby version of rcov in the works, as well as ports of Rubinius' Foreign Function Interface (FFI) and its MVM API.
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Microsoft announces release of “Zermatt” Identity Framework
Microsoft released a beta of “Zermatt”, an identity framework for developers using the .Net framework. The framework helps developers build claims-aware applications to address application security requirements using a simplified application access model.
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Q&A with Dylan Schiemann co-creator of Dojo on AJAX, Comet, Bayeux, RIAs and the Dojo Toolbox
The Dojo Toolkit is a modular open source JavaScript library, designed to ease the rapid development of JavaScript or Ajax-based applications and web sites. InfoQ had a Q&A with Dylan Schiemann, CEO of SitePen and co-creator of the Dojo Toolkit, about AJAX, Comet, Bayeux, RIAs and the newly released Dojo Toolbox.
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Google Introduces Binary Encoding Format: Protocol Buffers
Google caused a stir by releasing Protocol Buffers, a binary serialization format. We take a look at what exactly Protocol Buffers are and what alternatives are available in ASN.1 or Facebook's Thrift.
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Databases Roundup: Data Sharding for ActiveRecord and Faster Postgres IO
In this databases roundup we take a look at DataFabric, FiveRun's recently open sourced data sharding plug-in for ActiveRecord. Also: a look at speeding up Postgres data access using the asynchronous client API and Ruby 1.9's Fibers.
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Internet Explorer 6 on its way out (or not)?
Since attaining a peak of about 95% usage share during 2002 and 2003, Internet Explorer 6 (IE6) has been rapidly losing market share. As the end of 2008 approaches, significant online services, vendors and web frameworks are dropping support for IE6. Will this year be the end of IE6 and what does this signify for Web 2.0 developers?
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Eucalyptus Project Delivers Open Source Cloud Computing with EC2 Interface Compatibility
Eucalyptus is an open-source software infrastructure for implementing cloud computing. Among its features is interface compatibility with EC2 (both Web service and Query interfaces).
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Terracotta-VisualVM Integration Offers Cluster-wide Visualization and Event Correlation
Terracotta integration with Sun Microsystem's VisualVM tool offers JVM and cluster-wide visualization. Terracotta announced last week its integration with Sun's VisualVM technology which gives Java developers and web administrators visualization and analysis capabilities to assist in tuning and troubleshooting of Java applications using the Terracotta management console.
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Renowned Orchestra Embraces Scrum-like Practices
A Scrum team has no designated leader; the team is expected to self-organize. Similarly, one of the world's most renowned orchestras has dispensed entirely with the role of conductor in favor of a process where leadership is shared and decisions are made by the team. Along the way, they have learned lessons and ways of working together that any Scrum team can benefit from.