Can anyone give me some pointers on how I could deploy my rails app to GAE? I've been reading about it, but it seems to be a fairly complicated task. I tried with the google-appengine gem, but its...

I'm setting up my db model using datamapper and dm-contraints. I have two models which have a many to many relationship but when I try to destroy one, the only message I get is false. Is it possib...

i'm trying to build dm-postgres-adapter but get this error. sudo gem install dm-postgres-adapter Building native extensions. This could take a while... ERROR: Error installing dm-postgres-adapter...

I'm looking to use a more separated system for my models in a Ruby on Rails project. It looked like the solution was DataMapper. However, I see that none of their repositories have been updated in ...

I would like to get a list of objects that match a specified ID from datamapper. I know I could use multiple 'or' conditions, but the list of id's can be in the hundreds. Is there a datamapper co...

I was trying to learn about the Sinatra ruby framework by following this tutorial: http://net.tutsplus.com/tutorials/ruby/singing-with-sinatra-the-recall-app-2/ however, after running the gem ins...