InfoQ Homepage Architecture Content on InfoQ
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Google Has Open Sourced LevelDB, A Key-Value Datastore
Google has open sourced LevelDB under the New BSD license. LevelDB is an embedded key-value datastore whose keys and associated values are arbitrary byte arrays sorted by key, a sorting mechanism that can be overridden. The datastore is pretty simple, accepting Put, Get, and Delete commands along with forward and backward iterations.
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New Enterprise Architecture Guide Highlights Diverse Offerings in Emerging Space
The Institute For Enterprise Architecture Developments (IFEAD) updated their Enterprise Architecture Tool Selection Guide with new suppliers and the latest assessments from industry analysts. The Guide, leveraging evaluations from both Forrester and Gartner, visually classifies the offerings of thirty different suppliers and identifies key criteria to consider when selecting an EA tool.
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QConSF November: Speakers, Sessions Update, Attendance up 100%
Our 5th QCon San Francisco takes place on Nov 14-18, 2011. Last year QConSF sold out early, and this year we are already 100% above last year’s registrations at this time! Registration is open and all 16 track themes have been announced. Most of the conference sessions are still in development and have not been posted online yet. Save $550 by registering before July 29th.
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The Open Cloud Initiative Promotes Open Cloud Computing
The Open Cloud Initiative (OCI) announced at OSCON 2011 intends to bring together cloud users and vendors in order to build an ecosystem allowing users the freedom to choose their vendor and to move to another when they want to.
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ClojureScript Brings Clojure To The Browser via Javascript
Rich Hickey has announced ClojureScript, a version of Clojure that is compiled to Javascript code, which will bring the Clojure language to the browser and to the mobile space. InfoQ takes a look at the rationale for and implementation of ClojureScript.
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Google App Engine Gets Support for Go
Google added GAE support for Go with SDK 1.5.2. Developers can write and test Go applications locally on Linux and Mac OS X and run them on GAE.
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A New Enterprise Platform for Flex/Java EE Applications
Granite Data Services released last week its Enterprise Platform for building Flex/Java EE Applications. Granite DS is an open source framework. InfoQ spoke with Frank Wolff, CEO and Co-Founder of Granite DS, about his perspectives on Rich Internet Applications.
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JetBrains introduces the new JVM language Kotlin
So far, Kotlin has been primarily known as a Russian island thirty kilometers west of Saint Petersburg. More recently, the Czech company JetBrains introduced a programming language named Kotlin running on the JVM (Java Virtual Machine). It is the intent of the Kotlin language developers to get rid of some challenges in the Java language.
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The Diary of a REST “Convert”
In his new article ZapThink’s Ronald Schmelzer tries to explain why REST is a better option for implementing SOA.
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Veracity, a New DVCS Based on a Distributed Database
Veracity is a DVCS that can be installed on Windows, Mac, and Linux, and uses a distributed database for its repository.
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Confusion Abounds When Aligning Business Architects
Organizations continue to struggle when identifying the role of business architects and persist in misaligning them to IT departments. Tom Graves, an Enterprise Architect at Tetradian Consulting, pointed out the problems this causes and challenges architects to not accept the status quo but rather, try and improve the situation.
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CassandraSF2011: Progress and Futures
Johnathan Ellis keynoted at Cassandra SF 2011. Ellis reviewed accomplishments including better support for multi-data center deployments, optimized read performance, included integrated caching and improved client APIs including a SQL-like language CQL. Looking forward, Ellis emphasized polish - efficient database repair, storage compression, optimized performance and an expanded CQL language.
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Cassandra Indexing Guidelines from CassandraSF2011
Ed Anuff reviewed Cassandra's built-in secondary indexes, noting that they don't work well for high cardinality values, require at least one equality comparison and return unsorted results. Anuff presented patterns for alternative indexing including wide rows and tables that use Cassandra 0.8.1's new composite comparator operators to overcome these limitations.
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Proposal for Eclipse-based Requirement Modeling Framework Released
Recently, a proposal for the Requirements Modeling Framework (RMF) has been officially released by eclipse.org. Vision is to have at least one clean-room implementation of the OMG ReqIF standard in form of an EMF model and some rudimentary tooling to edit these models.
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Mozilla Proposes to Sign-in Only with the Email Address, No User ID or Password Required
A new authentication system, dubbed BrowserID, from Mozilla promises to solve the basic authentication needs, but its success highly depends on its adoption.