InfoQ Homepage Architecture Content on InfoQ
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Versioning Strategies For RESTful Services
In this article Stu Charlton examines the various options available for versioning RESTful services which he prefaces by saying “These can be tricky concepts to describe, and I don't really want to write a small book on this topic”.
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OSGi DevCon London
Last week saw the first OSGi DevCon London, held in conjunction with JAX London in Hammersmith's Novotel. Topics included features from the upcoming OSGi Enterprise Expert Group publication, using and testing OSGi in the cloud, accessing objects through JPA on an OSGi system and how modularity can defeat complexity brought on by exponential software growth.
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To Comment or Not to Comment
Any developer has written at least one line of comment throughout his code. Some have written many comments in an attempt their code to be more explanatory. This article gathers some of the practices used in writing code comments.
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Microsoft Has Published the Outlook PST Specification
Microsoft has published the Outlook PST file format specification in order to "facilitate interoperability and enable customers and vendors to access the data in .pst files on a variety of platforms" as promised in October last year.
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Debian Installer 6.0 Alpha 1: Ext4 Support, Installs "Recommended" Packages
The Debian project plans to release a new stable version of its universal operating system, Debian 6.0 (codenamed "Squeeze"), this year. As part of this release, the Debian installer team recently announced the first alpha release of the installer for Debian 6.0. One of the most notable changes to APT is that Squeeze installs packages from the "recommends" section by default.
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Neo4j: Java-based NoSQL Graph Database
After several years of development, the developers from NeoTechnology have released version 1.0 of Neo4j, a Java-based graph database which follows the property graph datamodel. InfoQ spoke with NeoTechnology COO Peter Neubauer to learn more about the current Neo4j release and what it offers to developers.
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Eclipse Virgo Project Approved
The Eclipse Virgo project has been approved at Eclipse, and provisioning and initial code import will be happening in the next week or two. Eclipse Virgo is the new name for SpringSource dm Server, which is also undergoing a license change from GPL to EPL to make it more acceptable for others to build and redistribute. Modular applications are the way of the future, and Eclipse Virgo will be key.
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Benefits Of Running Enterprise SOA Initiatives Like A Startup
Dion Hinchcliffe provides a detailed look at how we might run service orientated initiatives to maximize value of IT assets. He contrasts the state of Enterprise SOA initiatives to open API’s to public services available on the web; especially startups; in terms of adoption, time to market and overall return on investment and how to adopt some of that knowledge in Enterprise SOA.
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Windows Azure Now Generally Available, Moving From Free To Pay
As of February 1st, Microsoft's public cloud offering, Windows Azure, became part of the growing cloud market as it started charging for its services. Azure is one of the first Platform as a Service (PaaS) offerings to move from free, "early-adopter" to a pay-as-you-go business model. InfoQ spoke with Matt Deacon of Microsoft UK to learn more about this change and what it means for Azure users.
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The Need for an Event-based API in the Cloud
Many cloud applications, especially resource management can benefit from event-based approaches. In his new post, William Vambenepe discusses approaches to defining cloud eventing APIs.
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Mark Reinhold Talks About JRockit/Hotspot Integration
Oracle principal engineer and former Sun employee Mark Reinhold talks about Oracle's plans to merge the Hotspot and JRockit JVMs.
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Apache Beehive Retired, Moved To Apache Attic
Last month, the committers of the Apache Beehive project voted to retire the project due to inactivity. The last release of Apache Beehive was version 1.0.2, which was released in December 2006. In the announcement posted on Feb 10th, Henri Yandell suggested alternatives for the main components which were part of Beehive.
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PhoneGap Brings Cross Platform Development Back to Mobile Platforms
PhoneGap allows to build cross platform mobile apps with HTML5 and Javascript; it has APIs for accessing camera, accelerometer, GPS, etc. The code is packaged into native apps which can be deployed via app stores. PhoneGap support includes iPhone, Android, Blackberry, Symbian and Palm. InfoQ talked to one of the creators of PhoneGap, Brian LeRoux of Nitobi, about the current state of PhoneGap.
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Bundle.update: NetBeans and OSGi
Since the last Bundle.update, a new milestone of NetBeans adds support for embedding OSGi bundles, and this week's London OSGi DevCon promises to be of interest. ECF 3.2 has been released, and EGit/JGit is making strong headway in the world of DVCS.
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Puppet: Ruby-based Server Management Automation Suite
The team at Reductive Labs recently announced the release of version 0.25.2 of Puppet, the open source Ruby-based configuration management and automation tool for Linux and Unix servers. In this software bug-fix release, 123 open tickets were closed, and the developers claim a reduced memory footprint, improved error reporting, threading, and lock contention (a source of reported system hangs).