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Front Page News
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Do you like profiling? Do you like tuning code? If you do, how about taking part in the db4o performance contest? We offer USD 6000 in prizes for the best contributions to make db4o faster. We have made it very easy for you to get started by providing...
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As the popular saying tell us, there's no such thing as free lunch. It is no different for work related subjects. When we introduced Transparent Activation (TA) concept we knew that it could make developer's life easier (by presenting a simpler model...
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ODBMS.ORG, a vendor-independent non-profit group of high-profile software experts lead by Prof. Roberto Zicari, today announced the exclusive publication of a new series of user reports on using technologies for storing and handling persistent objects:...
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DataNucleus Access Platform 1.0 M3 is released ( see the announcement ). The main things affecting usage with db4o are :- The original JDOQL implementation has been superceded by a new "generic" implementation supporting more of the JDOQL syntax Support...
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db4o 7.4 Development Release is available for immediate download ! A R T I C L E S db4o Announces its First Performance Contest - Win $6000 in prizes! · As part of our commitment to improving db4o's performance we're organizing this hands-on contest where...
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We invite you to participate in the db4o performance contest which will give away 6000 USD in prizes! Basically participants will provide patches to the db4o core that impact on performance and then these modifications will be judged by the community...
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The following Jira tasks and bugs were resolved for db4o-7.4 development release: DRS-98 - NullPointerException in replicate method DRS-97 - Ensure dRS.NET can gracefully handle delegates in untyped fields and arrays DRS-95 - dRS.NET fails with arrays/untyped...
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The short story: Configuration.flushFileBuffers(false) is no more. If you still want to configure the behaviour that used to be available in db4o 6.1, you can do so by setting up IoAdapters as follows: RandomAccessFileAdapter randomAccessFileAdapter =...
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Some time ago we presented Pushed Updates as a sample application for Committed Callbacks in this blog . Recently we put a similar mechanism in a slightly different context. Since we encountered some perceived ambiguity concerning db4o transaction semantics,...
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In this blog post, db4o Netbeans plugin creator Gerd Klevesaat explains how to use db4o under Groovy (through a builder implementation by the author). The post includes links to download the builder and source code examples. Thanks Gerd!...
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Well, Adriano Verona's blog post title is really " Running Sharpen Tests " but he also did a great job at introducing the first steps for trying Sharpen (db4o's conversion tool that translates Java code to C# code). As you might know the tool (which is...
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[When it comes to db4o] by decreasing the complexity of the database a barrier to developers has been removed and in fact deployment is also made easier for the end user. db4o [...] stores its data in a different way to a relational database. Rather than...
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When you think of databases usually MySQL or Oracle or even Microsoft SQL Server come to mind. Yet, object oriented databases have the potential to cut down coding nuts and bolts and speed up app development time – particularly for those migrating to...
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"Sharpen" Increases Market Reach While Keeping a Unified Code Base SAN MATEO, Calif., May 30, 2008 - db4objects ( http://www.db4o.com/ ), creator of the leading open source object database, has announced that its Sharpen Java to C# source code conversion...
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DataNucleus Access Platform 1.0 M2 has just been released with a JDO/JPA API for db4o. Read more here Main things of interest to db4o users in this release are: Added support for db4o "embedded server" mode (contrib from Joe Batt) Zip file of Access Platform...
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Hi! I just wanted to point you to the the blip.tv db4o show . There we're hosting all db4o related videos for you to watch on-line (including our cutting-edge paircasts!). No need to download the video. Note that you subscribe to this show via iTunes...
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Microsoft users can replace SQL database with native ODBMS engine .NET Developers' Journal News Desk May. 12, 2008 http://dotnet.sys-con.com/read/564247.htm...
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by Tony Austin Friday, 23 May 2008 ITWire.com http://www.itwire.com/content/view/18388/1127/...
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SAN FRANCISCO, Calif., May 9, 2008 – In an interview with Artima during the latest JavaOne, Anat Gafni, VP of Engineering at db4objects, explains how OO databases support agile development, and how they co-exist with relational databases in an enterprise....
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On TheServerSide.com, April 07, 2008 http://www.theserverside.com/news/thread.tss?thread_id=48953...
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"Sharpen" Translates your Java Application Sources to C# db4objects' dRS is the First Object Replication on Android db4objects is Leading a Community Effort to Promote LINQ for Java Paircasts - db4objects Innovative Agile Way of Documenting Code, Practices...
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The efficiency of Transparent Persistence is added to .NET LINQ provider New “Stable” Release 6.4 is available New “Production” Release 7.2 is available dRS, db4o popular replication utility is now "collection-aware" db4o’s Ad-Hoc LINQ Console application...
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As of today, db4objects releases its Eclipse based Java to C# source code conversion tool "sharpen" as free software. sharpen is the "secret sauce" that enables us to provide the [db4o object database engine] in native versions for the Java and .NET platforms...
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Have you ever wondered how and when an idea was developed? Would you have liked to see how the corresponding lines of programming code were written to make a dream come true? Are you interested how the people behind the code are like and how they behave...
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As of Today our so far internal java to c# conversion utility, sharpen, is being released as free software. As an example of its usage we're going to write a simple contact management application in java and convert it to c#. While it is possible to use...
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