I am using Mongoid, which is on top of the Ruby MongDB driver.Even though my M开发者_如何学运维ap\'s emit is giving out a parseInt(num), and the Reduce\'s return is giving back also a parseInt(num), t
related to MongoDB Group using Ruby driver if开发者_开发技巧 I want to do something like the following in SQL:
I am using Ruby code to calculate sum from the array returned by M开发者_Go百科ongoid. But maybe using Map/Reduce can be faster, except I don\'t see any docs for Map Reduce on mongoid.org and Google
In the MongoDB shell, if I do the following, then an index is created, and also prevent duplicate records from being inserted:
In config/routes.rb: resources :posts do resources :comments end resources :pictures do resources :comments
Since we can structure a MongoDB any way we want, we can do it this way { 开发者_如何转开发products:
Supposed we have something using Mongoid: data: \'products\': \"2010-09-07\": { pageviews: 123 开发者_开发知识库timeOnPage: 1823 }
I am attempting to create a friend network on a site I am making.I am using Mongoid.How do I instantiate friends?
I have following association class Employee include Mongoid::Document employee_id :name references_many :companies, stored_as => :array, :inverse_of => :employees
I\'ve been doing a spike on Rails 3 and Mongoid and with the pleasant memories of the auto scaffolding in Grails I started to look for a DRY view for ruby when I found:
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