activerecord Examples and Free Source Code

convert sql results to ActiveRecord relation...

sql ruby-on-rails activerecord

Rails: Order with nulls last...

ruby-on-rails ruby-on-rails-3 sorting activerecord null

Rails group/having/count query...

sql ruby-on-rails activerecord

Basic Search in Ruby Sinatra ActiveRecord...

ruby search activerecord sinatra

bypass attr_accessible/protected in rails...

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Ordering with nested association...

ruby-on-rails activerecord

How does the ActiveRecord pattern differ from the Domain Object or Data Mapper pattern?...

ruby-on-rails activerecord datamapper

How to have a PostgreSQL function backing a Rails model?...

ruby-on-rails postgresql activerecord

ActiveRecord serialize coder argument not seeming to work...

ruby serialization activerecord

How to remove (disassociate) relationship without delete in Active Record...

ruby-on-rails activerecord

How to specify the actual foreign key in a parent-child relationship when the parent is defined via ...

ruby-on-rails activerecord

when is after_touch callback in rails called...

ruby-on-rails activerecord callback

Remove duplicate records based on multiple columns?...

ruby-on-rails-3 activerecord duplicates destroy

How to select rows where column value IS NOT NULL using CodeIgniter's ActiveRecord?...

php mysql codeigniter activerecord null

Which one is faster between map, collect, select and pluck?...

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In Rails how I add a "helper" method to an attribute / column?...

ruby-on-rails ruby activerecord

How can i loop through a daterange with different intervals?...

ruby-on-rails ruby ruby-on-rails-3 activerecord intervals

Return ActiveRecord Relation from a raw SQL query using parametrized queries to speed up response...

ruby-on-rails activerecord

Optimizing delete operations in Rails 4 / ActiveRecord / MySQL...

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Query where Date.parse Rails...

ruby-on-rails ruby datetime activerecord

has_one from model attributes instead of foreign key...

ruby-on-rails activerecord has-one

Find all records of a certain type in Polymorphic table using ActiveRecord in Rails 3...

ruby-on-rails-3 activerecord polymorphism polymorphic-associations

Getting raw SQL query built from ActiveRecord in CodeIgniter 1.7...

php sql codeigniter activerecord

Rails ActiveRecord - Select all objects by date, using only day, month, year, but ignoring the rest ...

ruby-on-rails activerecord

How do I find out why I couldn't #destroy() a record?...

ruby-on-rails activerecord

Clickhouse active record datetime precision issue...

ruby-on-rails ruby postgresql activerecord clickhouse

Ordering by attribute that contains letters and numbers...

ruby-on-rails postgresql activerecord natural-sort

Query db for a model including related_model, where related model have 2 specific ids...

ruby-on-rails ruby postgresql activerecord

Or & and in Rails ActiveRecord where clause...

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

Sortable UUIDs and overriding ActiveRecord::Base...

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