activerecord Examples and Free Source Code

Manually updating attributes mounted by Carrierwave Uploader...

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

What is the proper way to check for a foreign key with Rails 5.2.4 / rspec 3.12?...

ruby-on-rails activerecord

How to join a class with self column of it which is of jsonb type...

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pluralize without count number in rails 4...

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Rails and Azure: TinyTds::Error: Adaptive Server connection failed...

ruby-on-rails macos azure activerecord tiny-tds

Ordering by associated value with from outer left join yields duplicates...

ruby-on-rails postgresql activerecord

Find all students not enrolled in specific course...

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rails, activerecord, get current connection specification...

ruby-on-rails activerecord

How to build Docker with env file...

ruby-on-rails activerecord docker-compose dockerfile

Can I use an attr_writer with a Postgres Array?...

ruby-on-rails postgresql activerecord

How to count a has_many relationship using active record?...

sql ruby activerecord sinatra-activerecord

ActiveRecord nested SELECT...

sql ruby-on-rails postgresql activerecord

Why ActiveRecord::Store.store_acessor doesn't reflect on the resulting SQL when querying...

ruby-on-rails ruby activerecord hstore

Is it normal for a query to spawn three query processes?...

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Joining Nested Associations (Multiple Level)...

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How To Order ActiveRecord Relation Based on Column Of Last Record Of Associated Object...

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How to test ActiveRecord callbacks with RSpec?...

ruby-on-rails activerecord rspec callback

Ruby on Rails: How to validate a model without Active Record?...

ruby-on-rails validation activerecord model

Active record where.not returns empty array...

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Better method to find the second largest element in ruby on rails active record query...

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How do I disallow saving objects unless its associations are set?...

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

Rails ActiveRecord subquery on Inner Join...

ruby-on-rails activerecord subquery

How to define schema for an ActiveRecord model?...

ruby-on-rails activerecord

how can I filter has_many records by type and created_at?...

ruby-on-rails ruby activerecord

Rails Active Record: Joining single table by multiple custom associations pointing to same column...

sql ruby-on-rails activerecord

WITH query (postgres) on ActiveRecord...

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Active Record in_batches vs find_in_batches...

ruby-on-rails activerecord

puppetserver gem install adds gem but it's not available for custom functions in the puppet code...

activerecord puppet jruby

puppetserver 7.11 is crashing after installing activerecord-jdbc-adapter gem...

ruby activerecord rubygems puppet jruby

First_or_create yet ERROR: duplicate key value violates unique constraint...

ruby-on-rails-3 postgresql activerecord race-condition select-insert