mongomapper
Rails, storing a custom class with MongoMapper: Cannot serialize object into BSON
I am using MongoMapper 0.9.1 in Rails 3.0.9 and it throws the following error, when I try to save an object of a custom class into the DB:[详细]
2023-03-25 14:07 分类：问答Mongomapper: "SQL JOIN" style in querying
I have two models: class TrackItem key :state, Integer, :default => 1 many :track_jobs end class TrackJob[详细]
2023-03-23 04:47 分类：问答Routing based on indices in an array in rails 3 using mongoMapper
I have two models, Trip and Day, with a one-to-many relationship. For the time being I do not want to make Day an embedded document.[详细]
2023-03-22 21:58 分类：问答How to configure MongoMapper and ActiveRecord in same Ruby Rails Project
I\'ve got an existing production Ruby/Rails app that I want to migrate to MongoDB over time, as time permits, because it\'s not an option to just rewrite it all at one time. I\'d love to be able to ju[详细]
2023-03-22 01:34 分类：问答Moving from SQLite3 to Mongo on Heroku?
I\'m currently using SQLite3 with a simple post and image sharing app, similar to the Rails 3 Hartl tutorial (in terms of db structure). But I\'d like to move to Mongo for future scalability/learning.[详细]
2023-03-21 11:22 分类：问答Get Keys of MongoMapper Model
Suppose the following model: class Article include MongoMap开发者_StackOverflow中文版per::Document[详细]
2023-03-21 03:33 分类：问答Querying association with Mongo_mapper with embedded document
I have a Users model with embedded Friend model. When a user registers, it saves their info, and then inserts they friend data.[详细]
2023-03-15 14:10 分类：问答Ruby - $or is not working in mongo local server, but working in online server
DdFbcrawlLinks.where(:$or => [{:feedtype => \"news\"},{:feedtype开发者_开发技巧 => \"wall\"}]).all[详细]
2023-03-13 05:40 分类：问答MongoMapper: undefined method `each' for "StandardFormBuilder":String
I\'m using MongoMapper with Padrino, and I\'m having trouble with executing any padrino tasks. I get this error for nearly every tasks.[详细]
2023-03-12 20:58 分类：问答what does an exclamation mark follow with variable mean in ruby on rails? [duplicate]
This question already has answers here: Closed 11 years ago. Possible Duplicate: Why are exclamation marks used in Ruby methods?[详细]
2023-03-11 17:31 分类：问答
![Interactive visualization of a graph in python [closed]](https://www.devze.com/res/2023/04-10/09/92d32fe8c0d22fb96bd6f6e8b7d1f457.gif)
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