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New posts in rails-activerecord

How do you disable the query cache in rails 4.x?

ruby-on-rails rails-activerecord

locking rows on rails update to avoid collisions. (Postgres back end)

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What is the purpose of ActiveRecord::Relation#bind?

ruby-on-rails rails-activerecord relation

Rails 5: Add record to join table without model (has_and_belongs_to_many)

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How do I sort a table by the maximum value of associated records?

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Rails preview update associations without saving to database

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Scope with "WHERE ... LIKE" on a related table

ruby-on-rails ruby postgresql activerecord rails-activerecord

Testing a databaseless Rails 5 application with rspec-rails

ruby-on-rails rails-activerecord rspec-rails ruby-on-rails-5 no-database

Rails change column type and update column values

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How to select data for defined page and total count of records?

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Rails Migration Change vs Up & Down methods

ruby-on-rails ruby rails-activerecord rails-migrations

PG::ForeignKeyViolation: ERROR: update or delete on table "xxx" violates foreign key constraint

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How to create index on LOWER("users"."username") in Rails (using postgres)

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Getting all children of collection with has_many relationship

ruby-on-rails rails-activerecord

Using raw sql queries in Rails 3 application?

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Can I rollback using change_column method in Rails 4 and above?

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Is there a way to combine named scopes into a new named scope?

ruby-on-rails rails-activerecord named-scope

Rails 3 ActiveModel: cannot include ActiveModel::Model directly

ruby-on-rails activemodel rails-activerecord

Rails migration create_join_table with uuids

ruby-on-rails rails-activerecord

How to make Rails 4.2 work with Postgres Jsonb?

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