I have a question regarding mo开发者_开发技巧ngoid id storage for references_many. Suppose I have the following classes:
class Person in开发者_高级运维clude Mongoid::Document field :address, :type => Hash end Given a person exist with address: {:city => \"city\", :street => \"street\"}
Say i have the following object: { \"text\" : \"oa3\", \"topic_ids\" : [ ObjectId(\"4cea00efd8030a35eb000004\") ]}
I want to query on a Hash field for a Mongoid Class. I\'m not sure how I can do this with conditions?
Do you know any \"semantic\" rails gems for form generation w开发者_JS百科hich integrates well with the mongoid gem ? By integration I mean, correct automatic association based on the rules in the mod
I have privacy settings for users to set. Privacy settings can be as such: Do not show my updates on the public timeline
I find after Mongoid 2.0, Rails 3 is require. The last Rails 开发者_运维知识库2 compatible version is 1.9.2 which have many bugs.
I am using Mongoid on Rails 3 and trying to build a nested form. The problem I run into is when I used accept_nested_attributes_for method, I get this error message:
I know开发者_如何学JAVA how to delete documents in a collection. i.e. User.last.delete In the User document. I have the following keys: first_name, last_name, gender.
Is there a better way to write this: User.where(:genre_id => Genre.where(:name => \'Acoustic\').first.id).first开发者_开发技巧.first_name
加载中,请稍侯......