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"A Scala Library for Scraping Page Metadata. Scraping metadata (e.g. title, description, url, etc.) from a URL is something that Facebook currently does for you when you paste a URL into the "Update Status" box. For a service that I'm currently building out, we wanted to do this as well for our users. Thus Metascraper was born. There was already a Ruby solution called link_thumbnailer, but since this is a I/O heavy operation, I knew I wanted to build a solution using tools that supported non-blocking I/O and could be used without getting caught in callback spaghetti. Scala, Akka, and the Play framework immediately came to mind."

"Hyperclient is a Hypermedia API client written in Ruby. It fully supports JSON HAL."

"This is the first part of a series on building an event sourced application. We'll build a simple blogging application (inspired by the Ruby on Rails "Getting Started" tutorial), so the domain should be familiar. This allows us to focus on implementing a memory image based architecture using event sourcing. Another goal is to show that this kind of architecture is not more complex (and arguably, simpler) than those implemented by traditional database centered applications."

"Gnorm converts your database's schema into in-memory data structures which you can then feed into your own templates to produce code or documentation or whatever. Gnorm is written in Go but can be used to generate any kind of textual output - ruby, python, protobufs, html, javascript, etc."

¡Muy buenas!

"Record your test suite's HTTP interactions and replay them during future test runs for fast, deterministic, accurate tests."