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"In 2010 we led the seed round for Docker (formerly known as dotCloud) for one simple reason: devops means that the way applications are packaged, deployed, and run is fundamentally changing (though Docker's business model has evolved since its early days as a PaaS vendor, the fundamental premise is the same).  Rather than requiring custom configurations and painstaking management, Docker "containerizes" applications components such that every container is lightweight and behaves consistently.  Applications and their underlying components can be programmatically deployed, managed and moved on ever-changing cloud infrastructure without a hint of operating system or hardware configuration.  In a pre-Docker world, companies with tremendous and evolving application demands looked to virtualization as a way of abstracting their infrastructure, but paid a tax in dollars and performance for doing so. In the future we think of Docker will take the mantle as the VMware of the devops world, with containers as the ultimate devops platform."

"In incoming Play2.1 version, a huge re-thinking has been done about JSON API provided by Play2.0.x which provides some great features but is clearly just the tip of the iceberg… Here is a first presentation of those evolutions aimed at unleashing your JSON usage in Play2 and revealing new forms of manipulation of web dataflows from/to external data systems. A usecase of this is manipulating DB structures directly using Json without any class models for document oriented structures such as MongoDB"

Excelente.

The required techniques of effective reasoning are pretty formal, but as long as programming is done by people that don't master them, the software crisis will remain with us and will be considered an incurable disease.