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ActiveRecord return uniq item by title condition nearest distance
他返回uniq项目的标题下最近的距离

ruby-on-rails  postgresql  activerecord 

ActiveRecord create: pass in an array of attributes
他创建:在属性数组传递

ruby-on-rails  activerecord 

Rails - get all possible values in a has_many through association
轨道-获得所有可能的值在一个has_many通过协会

ruby-on-rails  activerecord  rails-activerecord 

php limit offset distribution for multiple subqueries
多个查询PHP极限偏分布

php  mysql  algorithm  sorting  activerecord 

Rails 4 render simple-form NEW in INDEX
Rails 4在索引中呈现简单窗体

ruby-on-rails  forms  ruby-on-rails-4  activerecord  simple-form 

Ruby on Rails multiple classes with same name under different namespace
Ruby Rails在不同命名空间下具有相同名称的多个类

ruby-on-rails  ruby  ruby-on-rails-3  activerecord  namespaces 

Can this raw SQL be written using the Rails Active Record Query Interface? Should it be?
可这个SQL编写使用Rails的活动记录查询界面?应该是吗?

sql  ruby-on-rails  postgresql  activerecord 

Rails 4 render simple-form NEW in INDEX
Rails 4在索引中呈现简单窗体

ruby-on-rails  forms  ruby-on-rails-4  activerecord  simple-form 

Can this raw SQL be written using the Rails Active Record Query Interface? Should it be?
可这个SQL编写使用Rails的活动记录查询界面?应该是吗?

sql  ruby-on-rails  postgresql  activerecord 

RangeError for simple integer assignment in Rails 4.2.0 that should be caught by validation
在Rails 4.2.0应被验证简单的整数分配rangeerror

ruby-on-rails  ruby  postgresql  activerecord  ruby-on-rails-4.2 

Finding all the users that have duplicate names
查找所有重复名称的用户

ruby-on-rails  ruby  activerecord 

Possible to guarantee a scope in Rails 4?
可以保证在轨道4范围?

ruby-on-rails  ruby-on-rails-4  activerecord 

STI has_many relationship in parent class inherited by sub classes
STI has_many关系,子类继承父类

ruby-on-rails  activerecord 

Query for Including Tweet Starred
查询包括鸣叫主演

sql  ruby-on-rails  postgresql  activerecord 

Rails has_many with direct and indirect association
轨道has_many具有直接和间接的关联

ruby-on-rails  ruby  activerecord  database-design 

Create ActiveRecord attributes without overriding select
创建ActiveRecord属性没有压倒一切的选择

ruby-on-rails  activerecord 

Arel query on the sum of column of association
在列的总和与关联查询

ruby-on-rails  activerecord  arel 

ActiveRecord find parent records that have a specific subset of children
他找到了孩子的父记录的特定子集

sql  ruby-on-rails  join  activerecord 

Getting build task error while running rake db:migrate in rails 3
在运行RAKE数据库时获取生成任务错误:在Rails 3中迁移

ruby-on-rails  ruby  ruby-on-rails-3  activerecord  ruby-on-rails-3.2 

Getting build task error while running rake db:migrate in rails 3
在运行RAKE数据库时获取生成任务错误:在Rails 3中迁移

ruby-on-rails  ruby  ruby-on-rails-3  activerecord  ruby-on-rails-3.2 

Getting build task error while running rake db:migrate in rails 3
在运行RAKE数据库时获取生成任务错误:在Rails 3中迁移

ruby-on-rails  ruby  ruby-on-rails-3  activerecord  ruby-on-rails-3.2 

Validate attachment content type Paperclip in Rails 2 application
验证附件内容类型纸夹在Rails 2中的应用

ruby-on-rails  ruby  validation  activerecord  paperclip 

How to validate non-db attributes on an ActiveRecord model?
如何验证一个ActiveRecord模型非数据库属性吗?

ruby-on-rails  validation  activerecord 

How to validate non-db attributes on an ActiveRecord model?
如何验证一个ActiveRecord模型非数据库属性吗?

ruby-on-rails  validation  activerecord 

How to validate non-db attributes on an ActiveRecord model?
如何验证一个ActiveRecord模型非数据库属性吗?

ruby-on-rails  validation  activerecord 

Validate attachment content type Paperclip in Rails 2 application
验证附件内容类型纸夹在Rails 2中的应用

ruby-on-rails  ruby  validation  activerecord  paperclip 

Rails STI and multi-level inheritance queries
Rails的STI和多级继承查询

ruby-on-rails  ruby  activerecord  single-table-inheritance 

Arel query on the sum of column of association
在列的总和与关联查询

ruby-on-rails  activerecord  arel 

Converting SQL command to Active Record for LIKE Command
将SQL命令主动记录的命令

ruby-on-rails  postgresql  activerecord  sqlite3 

How to make an expensive function faster in Rails?
如何使昂贵的功能更快的轨道?

ruby-on-rails  ruby  activerecord