Twitter "Unscheduled Maintenance"

I just run into a second nasty experience with Twitter. It wasn't that they are over capacity, they now call it "unscheduled maintenance". Thank god, I thought they were over capacity =S



I prefer the whale (or maybe a functional Twitter website?)

Twitter over capacity?

I just had a nasty surprise when trying to update my status on Twitter:



Strange (there's a reason why they are using Amazon S3 and that is scalability).

So, how come? (And what's with the whale anyway? =)

Demos de db4o en Android actualizadas!

Pueden acceder ahora a versiones actualizadas de los demos para Android: PasswordSafe y MapMe que ahora corren sobre la nueva version de db4o (v7.4) y el ultimo SDK de Android (v1.1 R1).

PasswordSafe es una aplicación muy sencilla para almacenar en un lugar seguro los datos de login de tus sitios favoritos. MapMe es un frontend para Google Maps que te permite almacenar puntos del mapa para luego accederlos.

Para descargarte las demos visita esta página.

Enjoy!!

Getting Started with db4o

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In this video db4o expert Eric Falsken introduces us to db4o using Visual Studio, C# and the free Object Manager Enterprise (OME) tool to browse and query the database in the example. For more information point your browser to: http://developer.db4o.com

db4o Paircast: Full db4o Build From svn Sources

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In this session Patrick and Tetyana use db4obuild project from svn repository to create full db4o distribution (Java and .NET versions). They show how to access the repository, checkout the latest source, setup and run the build and check the results. The detailed instructions on the process are also available in db4o Reference documentation.

Register in our community and get access to db4o related special resources, whitepapers, demo applications and forums: http://developer.db4o.com

db4o Paircast: Performance Contest

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In this session Carl and Norberto demonstrate how to get started with the 1st db4o performance contest.

Register in our community and get access to db4o related special resources, whitepapers, demo applications and forums: http://developer.db4o.com

db4o Paircast: JProbe Profiling Session on Reflection and Read Performance

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In this session Carl and Rodrigo use the JProbe profiler to analyse how reflection impacts the read and write performance of db4o for Java. They discover that the impact is very small and find a potential area to tune activation performance.

Register in our community and get access to db4o related special resources, whitepapers, demo applications and forums: http://developer.db4o.com

db4o Paircast: Custom Reflector with direct field access

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In this session Rodrigo and Carl write a custom reflector with direct field access to be able to test the impact of reflection calls on the performance of db4o empirically.

Register in our community and get access to db4o related special resources, whitepapers, demo applications and forums: http://developer.db4o.com

db4o Paircast: Permutations of test case conditions

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In this 4-way session with Rodrigo, Carl, Patrick and Adriano, Rodrigo explains how fixture providers can be used to set up test cases with multiple dimensions of conditions in a way so they can all run against each other.

Register in our community and get access to db4o related special resources, whitepapers, demo applications and forums: http://developer.db4o.com

Just Objects No Limits

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db4o creator Carl Rosenberger's talk at ICOODB 2008 in Berlin