Ruby rails tutorial (3rd ed.), learn web development, Ruby on rails tutorial (3rd ed.) learn web development with rails michael hartl. the ruby on rails tutorial book and screencast series teach you how to develop and. Remote sensing tutorial cover page - landsat science, Landsat education offers a wide range of resources, including landsat images, animations, k-14 classroom exercises, data tutorials, fact sheets, and more.. Apache jena -, Triple store tdb. persist your data using tdb, a native high performance triple store. tdb supports the full range of jena apis. fuseki. expose your triples as a.