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New posts in rails-activerecord

When creating objects, created_at stores microsecond precision that json can't match

ruby-on-rails json postgresql ruby-on-rails-4 rails-activerecord

Ruby on rails return a string if a model attribute is nil

ruby-on-rails ruby rails-activerecord rails-models

How to get the count of unsaved associated records? [duplicate]

ruby rails-activerecord

How to execute a query per db connection

ruby-on-rails activerecord rails-activerecord

Rails 4 validation message: removes "_id" from message

validation ruby-on-rails-4 rails-activerecord

most frequent value in active record coloumn

mysql ruby-on-rails rails-activerecord

Sort by either created_at or updated_at (whichever is more recent) Ruby on Rails

ruby-on-rails ruby rails-activerecord

How did I get a IrreversibleMigration?

ruby-on-rails rails-activerecord reverse rollback rails-migrations

Get all Rails records from an array of IDs

ruby-on-rails postgresql rails-activerecord

Trying to search by first_name and last_name

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

Postgresql jsonb (Rails) - query multiple values, via an array, in a single json attribute

ruby-on-rails postgresql rails-activerecord postgresql-9.4

Why does ActiveRecord's :include do two queries?

ruby-on-rails ruby rails-activerecord

Do ActiveRecord locks have to occur inside a transaction?

ruby-on-rails rails-activerecord

Change all primary keys of type integer to bigint, including references

ruby-on-rails postgresql rails-activerecord

Is there a way to enforce a schema for a JSON field within a Postgresql record in Rails?

ruby-on-rails json postgresql ruby-on-rails-4 rails-activerecord

Compared with non class/module error

ruby-on-rails ruby activerecord typeerror rails-activerecord

update_all with a method

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

Is there any guarantee that created_at and updated_at are equal right after the first save?

ruby-on-rails rails-activerecord

How to to set the default value of a virtual attribute using the attribute API

ruby-on-rails activerecord rails-activerecord
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