Zwei neue Technologien für die Cloud sind das JavaScript-Framework Node.js und die NoSQL-Datenbank MongoDB. Johannes Hoppe gibt einen Schnellstart in die beiden Open-Source-Systeme.

3. Anno 2006

4. Live Demo
solartournament.org

13. var result = db.query("select * from table");
doSomething(result); // wait!
doSomethingWithOutResult(); // blocked

14. db.query("select * from table", callback);
doSomethingWithOutResult();

15. db.query("select * from table", function(result){
doSomething(result); //wait!
});
doSomethingWithOutResult();

17. var http = require('http');
http.createServer(callback).listen();

18. var http = require('http');
var callback = function (request, response) {
response.writeHead(200, {'Content-Type': 'text/plain'});
response.end('Hello Worldn');
};
http.createServer(callback).listen();

24. http://bsonspec.org

28. {
_id : ObjectId("5055e94ae0745519e458ac70"),
Title : "MongoDB Testeintrag",
Message : "Ein gruener Postit",
Added : ISODate("2012-05-12T22:00:00Z"),
Categories : [
{
Name : "Normal Importance",
Color : "green"
},
{
Name : "Private",
Color : "gray"
}]
}

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