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The Rails 5 Way, Fourth Edition by Kevin Faustino, Obie Fernandez

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Index

Symbols

[](attribute), Errors, 770

Numbers

+0 (positive zero) values, validations, 284

304 Not Modified response, ETags, 614615

A

<a href> links, Turbolinks, 674

absence: true, validates, 293

absolute path (relative URL), named routes, 59

abstract base model classes, Active Record, 351

abstract_adapter.rb, 189191

Accept-Language HTTP header, locale, 474

accept option, validates_acceptance_of, 279

acceptance tests, 752

acceptance: true, validates, 293

accepts_nested_ attributes_for, integrating objects in form, 427429

access level, protected vs. private callback, 307

accessors, serialized attributes, 327328

account_update action, Devise, 542

Action Cable

channel actions, 692693

channels, 689690

configuration, 693695

connections, ...

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