MongoMapper Docs

Question

Does anyone have a good resource for MongoMapper documentation? I read mongoDB docs, but many of them are not convertible to ruby ​​/ mm. I tried to figure out how to make SELECT FROM WHERE EXISTS with little success.

db.things.find( { a : { $exists : true } } ); // return object if a is present

The only documents that I have found so far are those that have helped a bit.

Thanks.

Answer 1

Here are three good pdf links to help you store files, extract files, twitter layout, subscribers, embed, update, and more ..........

First Pdf - Kristina's MongoDb

MongoDb by Kyle

MongoDb by Mathias Stearn

Answer 2

In fact, there is now a draft documentation: http://mongomapper.com/documentation/