InfoQ Homepage Development 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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Jeremy Likness on Clean Design-Time Friendly ViewModels
There are many ways to handle design-time data in view-models. While some people use complex dependency injection frameworks or inversion of control containers, the simplest method is to just check the DesignerProperties.IsInDesignTool flag. Unfortunately this has the side effect of embedding the design-time data into one’s application. Jeremy Likness offers a couple ways of working around this.
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Java SE 7 Released: First Major Update Since December 2006
Java 7 is generally available from today, the first release of the Java platform since Oracle's acquisition of Sun. The release includes a number of small but welcome changes to the language, incorporates a new file API and the Fork/Join Framework, and improves dynamic language support on the JVM.
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SQL Server Denali’s FileTable: Turn SQL Tables into Folders
SQL Server Denali includes a new type of table called FileTable, which builds on FileStream functionality. FileTable is meant for storing and managing unstructured data in SQL Server, while also making it accessible via the file system.
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Interactive Extensions for LINQ to Objects
Interactive Extensions (Ix) is a set of additional LINQ to Objects query operators based on the work done in the Reactive Extensions. A quick look through the API reveals a set of IEnumerable extension methods under the System.Linq namespace. While most developers already have many of these in their own utility libraries, having a standard implementation for these missing features would be useful.
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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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Ken Schwaber and Jeff Sutherland Release Updated Scrum Guide
Ken Schwaber and Jeff Sutherland, the co-creators of Scrum, updated the Scrum Guide. The update focuses on the framework, rules, and ceremonies of Scrum, removing specifics about strategies and techniques. An accompanying Scrum Update document provides a statement of refinements that clarifies some of the finer points of the Scrum Framework.
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Adrian Cole Announces JClouds 1.0 Release
The goal of the new JClouds 1.0 release is to provide a common interface for managing compute nodes and storage nodes across many vendors, providers, frameworks and APIs from IaaS to PaaS, says JClouds founder Adrian Cole.
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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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Refactoring and Profiling Python with Visual Studio
Microsoft’s Developer Division has released a release candidate of Python Tools for Visual Studio. In addition to supporting refactoring in CPython and IronPython, this release offers support for MPI (Message Passing Interface) and Microsoft HPC (High Performance Computing). Visual Studio Ultimate owners also get a profiler for CPython.
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Mashery Redefines API Documentation with Interactive I/O Docs
Mashery introduces a new generation of API documentation tooling with I/O Docs. I/O Docs takes the drudgery out of verbose API docs and enlivens the experience through live API calls within the documentation. In this news item, we talk to Neil Mansilla to understand the motivation for building this tool, its current state and its future.
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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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Enterprise Reacts to Browser Release Cycle
Enterprise organizations were taken by surprise with the recent release of Firefox 5.0 just three months after 4.0, citing security concern and lack of stable Firefox versions for enterprises to work with. At the same time Microsoft has reaffirmed its commitment to enterprises as well as general web consumers.
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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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ASP.NET MVC 4 Roadmap
In keeping with their annual cadence, Microsoft has begun work on the next version of ASP.NET MVC. Areas of emphasis include smoothing out the development and deployment workflow, sharing more features with Web Forms, improving AJAX support, and offering a better story for HTML 5 on mobile and tablet devices.