RailsDoc(β)
  • v6.0
    v7.1 v7.0 v6.1 v6.0 v5.2
  • GitHub
  • files
    • actioncable
      • README.md
      • lib
        • action_cable
          • channel
            • base.rb
            • broadcasting.rb
            • callbacks.rb
            • naming.rb
            • periodic_timers.rb
            • streams.rb
            • test_case.rb
          • channel.rb
          • connection
            • authorization.rb
            • base.rb
            • client_socket.rb
            • identification.rb
            • internal_channel.rb
            • message_buffer.rb
            • stream.rb
            • stream_event_loop.rb
            • subscriptions.rb
            • tagged_logger_proxy.rb
            • test_case.rb
            • web_socket.rb
          • connection.rb
          • engine.rb
          • gem_version.rb
          • helpers
            • action_cable_helper.rb
          • remote_connections.rb
          • server
            • base.rb
            • broadcasting.rb
            • configuration.rb
            • connections.rb
            • worker
              • active_record_connection_management.rb
            • worker.rb
          • server.rb
          • subscription_adapter
            • async.rb
            • base.rb
            • channel_prefix.rb
            • inline.rb
            • postgresql.rb
            • redis.rb
            • subscriber_map.rb
            • test.rb
          • subscription_adapter.rb
          • test_case.rb
          • test_helper.rb
          • version.rb
    • actionmailbox
      • README.md
      • app
        • controllers
          • action_mailbox
            • base_controller.rb
            • ingresses
              • mailgun
                • inbound_emails_controller.rb
              • mandrill
                • inbound_emails_controller.rb
              • postmark
                • inbound_emails_controller.rb
              • relay
                • inbound_emails_controller.rb
              • sendgrid
                • inbound_emails_controller.rb
          • rails
            • conductor
              • action_mailbox
                • inbound_emails
                  • sources_controller.rb
                • inbound_emails_controller.rb
                • reroutes_controller.rb
        • jobs
          • action_mailbox
            • incineration_job.rb
            • routing_job.rb
        • models
          • action_mailbox
            • inbound_email
              • incineratable
                • incineration.rb
              • incineratable.rb
              • message_id.rb
              • routable.rb
            • inbound_email.rb
            • record.rb
      • lib
        • action_mailbox
          • base.rb
          • callbacks.rb
          • engine.rb
          • gem_version.rb
          • mail_ext
            • address_equality.rb
            • address_wrapping.rb
            • addresses.rb
            • from_source.rb
            • recipients.rb
          • mail_ext.rb
          • mail_with_error_handling.rb
          • relayer.rb
          • router
            • route.rb
          • router.rb
          • routing.rb
          • test_case.rb
          • test_helper.rb
          • version.rb
    • actionmailer
      • README.rdoc
      • lib
        • action_mailer
          • base.rb
          • collector.rb
          • delivery_job.rb
          • delivery_methods.rb
          • gem_version.rb
          • inline_preview_interceptor.rb
          • log_subscriber.rb
          • mail_delivery_job.rb
          • mail_helper.rb
          • mail_with_error_handling.rb
          • message_delivery.rb
          • parameterized.rb
          • preview.rb
          • railtie.rb
          • rescuable.rb
          • test_case.rb
          • test_helper.rb
          • version.rb
    • actionpack
      • README.rdoc
      • lib
        • abstract_controller
          • asset_paths.rb
          • base.rb
          • caching
            • fragments.rb
          • caching.rb
          • callbacks.rb
          • collector.rb
          • error.rb
          • helpers.rb
          • logger.rb
          • railties
            • routes_helpers.rb
          • rendering.rb
          • translation.rb
          • url_for.rb
        • action_controller
          • api
            • api_rendering.rb
          • api.rb
          • base.rb
          • caching.rb
          • form_builder.rb
          • log_subscriber.rb
          • metal
            • basic_implicit_render.rb
            • conditional_get.rb
            • content_security_policy.rb
            • cookies.rb
            • data_streaming.rb
            • default_headers.rb
            • etag_with_flash.rb
            • etag_with_template_digest.rb
            • exceptions.rb
            • flash.rb
            • head.rb
            • helpers.rb
            • http_authentication.rb
            • implicit_render.rb
            • instrumentation.rb
            • live.rb
            • logging.rb
            • mime_responds.rb
            • parameter_encoding.rb
            • params_wrapper.rb
            • permissions_policy.rb
            • redirecting.rb
            • renderers.rb
            • rendering.rb
            • request_forgery_protection.rb
            • rescue.rb
            • streaming.rb
            • strong_parameters.rb
            • testing.rb
            • url_for.rb
          • metal.rb
          • railtie.rb
          • railties
            • helpers.rb
          • renderer.rb
          • template_assertions.rb
          • test_case.rb
        • action_dispatch
          • http
            • cache.rb
            • content_disposition.rb
            • content_security_policy.rb
            • filter_parameters.rb
            • filter_redirect.rb
            • headers.rb
            • mime_negotiation.rb
            • mime_type.rb
            • mime_types.rb
            • parameters.rb
            • permissions_policy.rb
            • rack_cache.rb
            • request.rb
            • response.rb
            • upload.rb
            • url.rb
          • journey
            • formatter.rb
            • gtg
              • builder.rb
              • simulator.rb
              • transition_table.rb
            • nfa
              • dot.rb
            • nodes
              • node.rb
            • parser.rb
            • parser_extras.rb
            • path
              • pattern.rb
            • route.rb
            • router
              • utils.rb
            • router.rb
            • routes.rb
            • scanner.rb
            • visitors.rb
          • journey.rb
          • middleware
            • actionable_exceptions.rb
            • callbacks.rb
            • cookies.rb
            • debug_exceptions.rb
            • debug_locks.rb
            • debug_view.rb
            • exception_wrapper.rb
            • executor.rb
            • flash.rb
            • host_authorization.rb
            • public_exceptions.rb
            • reloader.rb
            • remote_ip.rb
            • request_id.rb
            • session
              • abstract_store.rb
              • cache_store.rb
              • cookie_store.rb
              • mem_cache_store.rb
            • show_exceptions.rb
            • ssl.rb
            • stack.rb
            • static.rb
          • railtie.rb
          • request
            • session.rb
            • utils.rb
          • routing
            • endpoint.rb
            • inspector.rb
            • mapper.rb
            • polymorphic_routes.rb
            • redirection.rb
            • route_set.rb
            • routes_proxy.rb
            • url_for.rb
          • routing.rb
          • system_test_case.rb
          • system_testing
            • browser.rb
            • driver.rb
            • server.rb
            • test_helpers
              • screenshot_helper.rb
              • setup_and_teardown.rb
          • testing
            • assertion_response.rb
            • assertions
              • response.rb
              • routing.rb
            • assertions.rb
            • integration.rb
            • request_encoder.rb
            • test_process.rb
            • test_request.rb
            • test_response.rb
    • actiontext
      • README.md
      • app
        • helpers
          • action_text
            • content_helper.rb
            • tag_helper.rb
        • models
          • action_text
            • record.rb
            • rich_text.rb
      • lib
        • action_text
          • attachable.rb
          • attachables
            • content_attachment.rb
            • missing_attachable.rb
            • remote_image.rb
          • attachment.rb
          • attachment_gallery.rb
          • attachments
            • caching.rb
            • minification.rb
            • trix_conversion.rb
          • attribute.rb
          • content.rb
          • engine.rb
          • fixture_set.rb
          • fragment.rb
          • gem_version.rb
          • html_conversion.rb
          • plain_text_conversion.rb
          • rendering.rb
          • serialization.rb
          • system_test_helper.rb
          • trix_attachment.rb
          • version.rb
    • actionview
      • README.rdoc
      • lib
        • action_view
          • base.rb
          • buffers.rb
          • cache_expiry.rb
          • context.rb
          • dependency_tracker.rb
          • digestor.rb
          • flows.rb
          • gem_version.rb
          • helpers
            • active_model_helper.rb
            • asset_tag_helper.rb
            • asset_url_helper.rb
            • atom_feed_helper.rb
            • cache_helper.rb
            • capture_helper.rb
            • controller_helper.rb
            • csp_helper.rb
            • csrf_helper.rb
            • date_helper.rb
            • debug_helper.rb
            • form_helper.rb
            • form_options_helper.rb
            • form_tag_helper.rb
            • javascript_helper.rb
            • number_helper.rb
            • output_safety_helper.rb
            • rendering_helper.rb
            • sanitize_helper.rb
            • tag_helper.rb
            • tags
              • base.rb
              • check_box.rb
              • checkable.rb
              • collection_check_boxes.rb
              • collection_helpers.rb
              • collection_radio_buttons.rb
              • collection_select.rb
              • color_field.rb
              • date_field.rb
              • date_select.rb
              • datetime_field.rb
              • datetime_local_field.rb
              • datetime_select.rb
              • email_field.rb
              • file_field.rb
              • grouped_collection_select.rb
              • hidden_field.rb
              • label.rb
              • month_field.rb
              • number_field.rb
              • password_field.rb
              • placeholderable.rb
              • radio_button.rb
              • range_field.rb
              • search_field.rb
              • select.rb
              • tel_field.rb
              • text_area.rb
              • text_field.rb
              • time_field.rb
              • time_select.rb
              • time_zone_select.rb
              • translator.rb
              • url_field.rb
              • week_field.rb
            • tags.rb
            • text_helper.rb
            • translation_helper.rb
            • url_helper.rb
          • helpers.rb
          • layouts.rb
          • log_subscriber.rb
          • lookup_context.rb
          • model_naming.rb
          • path_set.rb
          • railtie.rb
          • record_identifier.rb
          • renderer
            • abstract_renderer.rb
            • collection_renderer.rb
            • object_renderer.rb
            • partial_renderer
              • collection_caching.rb
            • partial_renderer.rb
            • renderer.rb
            • streaming_template_renderer.rb
            • template_renderer.rb
          • rendering.rb
          • routing_url_for.rb
          • template
            • error.rb
            • handlers
              • builder.rb
              • erb
                • erubi.rb
              • erb.rb
              • html.rb
              • raw.rb
            • handlers.rb
            • html.rb
            • inline.rb
            • raw_file.rb
            • renderable.rb
            • resolver.rb
            • sources
              • file.rb
            • sources.rb
            • text.rb
            • types.rb
          • template.rb
          • test_case.rb
          • testing
            • resolvers.rb
          • unbound_template.rb
          • version.rb
          • view_paths.rb
    • activejob
      • README.md
      • lib
        • active_job
          • arguments.rb
          • base.rb
          • callbacks.rb
          • configured_job.rb
          • core.rb
          • enqueuing.rb
          • exceptions.rb
          • execution.rb
          • gem_version.rb
          • instrumentation.rb
          • log_subscriber.rb
          • logging.rb
          • queue_adapter.rb
          • queue_adapters
            • async_adapter.rb
            • backburner_adapter.rb
            • delayed_job_adapter.rb
            • inline_adapter.rb
            • que_adapter.rb
            • queue_classic_adapter.rb
            • resque_adapter.rb
            • sidekiq_adapter.rb
            • sneakers_adapter.rb
            • sucker_punch_adapter.rb
            • test_adapter.rb
          • queue_adapters.rb
          • queue_name.rb
          • queue_priority.rb
          • railtie.rb
          • serializers
            • date_serializer.rb
            • date_time_serializer.rb
            • duration_serializer.rb
            • module_serializer.rb
            • object_serializer.rb
            • symbol_serializer.rb
            • time_object_serializer.rb
            • time_serializer.rb
            • time_with_zone_serializer.rb
          • serializers.rb
          • test_case.rb
          • test_helper.rb
          • timezones.rb
          • translation.rb
          • version.rb
    • activemodel
      • README.rdoc
      • lib
        • active_model
          • attribute
            • user_provided_default.rb
          • attribute.rb
          • attribute_assignment.rb
          • attribute_methods.rb
          • attribute_mutation_tracker.rb
          • attribute_set
            • builder.rb
            • yaml_encoder.rb
          • attribute_set.rb
          • attributes.rb
          • callbacks.rb
          • conversion.rb
          • dirty.rb
          • error.rb
          • errors.rb
          • forbidden_attributes_protection.rb
          • gem_version.rb
          • lint.rb
          • model.rb
          • naming.rb
          • nested_error.rb
          • railtie.rb
          • secure_password.rb
          • serialization.rb
          • serializers
            • json.rb
          • translation.rb
          • type
            • big_integer.rb
            • binary.rb
            • boolean.rb
            • date.rb
            • date_time.rb
            • decimal.rb
            • float.rb
            • helpers
              • accepts_multiparameter_time.rb
              • mutable.rb
              • numeric.rb
              • time_value.rb
              • timezone.rb
            • helpers.rb
            • immutable_string.rb
            • integer.rb
            • registry.rb
            • string.rb
            • time.rb
            • value.rb
          • type.rb
          • validations
            • absence.rb
            • acceptance.rb
            • callbacks.rb
            • clusivity.rb
            • confirmation.rb
            • exclusion.rb
            • format.rb
            • helper_methods.rb
            • inclusion.rb
            • length.rb
            • numericality.rb
            • presence.rb
            • validates.rb
            • with.rb
          • validations.rb
          • validator.rb
          • version.rb
    • activerecord
      • README.rdoc
      • lib
        • active_record
          • aggregations.rb
          • association_relation.rb
          • associations
            • alias_tracker.rb
            • association.rb
            • association_scope.rb
            • belongs_to_association.rb
            • belongs_to_polymorphic_association.rb
            • builder
              • association.rb
              • belongs_to.rb
              • collection_association.rb
              • has_and_belongs_to_many.rb
              • has_many.rb
              • has_one.rb
              • singular_association.rb
            • collection_association.rb
            • collection_proxy.rb
            • foreign_association.rb
            • has_many_association.rb
            • has_many_through_association.rb
            • has_one_association.rb
            • has_one_through_association.rb
            • join_dependency
              • join_association.rb
              • join_base.rb
              • join_part.rb
            • join_dependency.rb
            • preloader
              • association.rb
              • through_association.rb
            • preloader.rb
            • singular_association.rb
            • through_association.rb
          • associations.rb
          • attribute_assignment.rb
          • attribute_methods
            • before_type_cast.rb
            • dirty.rb
            • primary_key.rb
            • query.rb
            • read.rb
            • serialization.rb
            • time_zone_conversion.rb
            • write.rb
          • attribute_methods.rb
          • attributes.rb
          • autosave_association.rb
          • base.rb
          • callbacks.rb
          • coders
            • json.rb
            • yaml_column.rb
          • connection_adapters
            • abstract
              • connection_pool.rb
              • database_limits.rb
              • database_statements.rb
              • query_cache.rb
              • quoting.rb
              • savepoints.rb
              • schema_creation.rb
              • schema_definitions.rb
              • schema_dumper.rb
              • schema_statements.rb
              • transaction.rb
            • abstract_adapter.rb
            • abstract_mysql_adapter.rb
            • column.rb
            • deduplicable.rb
            • legacy_pool_manager.rb
            • mysql
              • column.rb
              • database_statements.rb
              • explain_pretty_printer.rb
              • quoting.rb
              • schema_creation.rb
              • schema_definitions.rb
              • schema_dumper.rb
              • schema_statements.rb
              • type_metadata.rb
            • mysql2_adapter.rb
            • pool_config.rb
            • pool_manager.rb
            • postgresql
              • column.rb
              • database_statements.rb
              • explain_pretty_printer.rb
              • oid
                • array.rb
                • bit.rb
                • bit_varying.rb
                • bytea.rb
                • cidr.rb
                • date.rb
                • date_time.rb
                • decimal.rb
                • enum.rb
                • hstore.rb
                • inet.rb
                • interval.rb
                • jsonb.rb
                • legacy_point.rb
                • macaddr.rb
                • money.rb
                • oid.rb
                • point.rb
                • range.rb
                • specialized_string.rb
                • type_map_initializer.rb
                • uuid.rb
                • vector.rb
                • xml.rb
              • oid.rb
              • quoting.rb
              • referential_integrity.rb
              • schema_creation.rb
              • schema_definitions.rb
              • schema_dumper.rb
              • schema_statements.rb
              • type_metadata.rb
              • utils.rb
            • postgresql_adapter.rb
            • schema_cache.rb
            • sql_type_metadata.rb
            • sqlite3
              • database_statements.rb
              • explain_pretty_printer.rb
              • quoting.rb
              • schema_creation.rb
              • schema_definitions.rb
              • schema_dumper.rb
              • schema_statements.rb
            • sqlite3_adapter.rb
            • statement_pool.rb
          • connection_adapters.rb
          • connection_handling.rb
          • core.rb
          • counter_cache.rb
          • database_configurations
            • connection_url_resolver.rb
            • database_config.rb
            • hash_config.rb
            • url_config.rb
          • database_configurations.rb
          • delegated_type.rb
          • destroy_association_async_job.rb
          • dynamic_matchers.rb
          • enum.rb
          • errors.rb
          • explain.rb
          • explain_registry.rb
          • explain_subscriber.rb
          • fixture_set
            • file.rb
            • model_metadata.rb
            • render_context.rb
            • table_row.rb
            • table_rows.rb
          • fixtures.rb
          • gem_version.rb
          • inheritance.rb
          • insert_all.rb
          • integration.rb
          • internal_metadata.rb
          • legacy_yaml_adapter.rb
          • locking
            • optimistic.rb
            • pessimistic.rb
          • log_subscriber.rb
          • middleware
            • database_selector
              • resolver
                • session.rb
              • resolver.rb
            • database_selector.rb
          • migration
            • command_recorder.rb
            • compatibility.rb
            • join_table.rb
          • migration.rb
          • model_schema.rb
          • nested_attributes.rb
          • no_touching.rb
          • null_relation.rb
          • persistence.rb
          • query_cache.rb
          • querying.rb
          • railtie.rb
          • railties
            • console_sandbox.rb
            • controller_runtime.rb
          • readonly_attributes.rb
          • reflection.rb
          • relation
            • batches
              • batch_enumerator.rb
            • batches.rb
            • calculations.rb
            • delegation.rb
            • finder_methods.rb
            • from_clause.rb
            • merger.rb
            • predicate_builder
              • array_handler.rb
              • association_query_value.rb
              • basic_object_handler.rb
              • polymorphic_array_value.rb
              • range_handler.rb
              • relation_handler.rb
            • predicate_builder.rb
            • query_attribute.rb
            • query_methods.rb
            • record_fetch_warning.rb
            • spawn_methods.rb
            • where_clause.rb
          • relation.rb
          • result.rb
          • runtime_registry.rb
          • sanitization.rb
          • schema.rb
          • schema_dumper.rb
          • schema_migration.rb
          • scoping
            • default.rb
            • named.rb
          • scoping.rb
          • secure_token.rb
          • serialization.rb
          • signed_id.rb
          • statement_cache.rb
          • store.rb
          • suppressor.rb
          • table_metadata.rb
          • tasks
            • database_tasks.rb
            • mysql_database_tasks.rb
            • postgresql_database_tasks.rb
            • sqlite_database_tasks.rb
          • test_databases.rb
          • test_fixtures.rb
          • timestamp.rb
          • touch_later.rb
          • transactions.rb
          • translation.rb
          • type
            • adapter_specific_registry.rb
            • date.rb
            • date_time.rb
            • decimal_without_scale.rb
            • hash_lookup_type_map.rb
            • internal
              • timezone.rb
            • json.rb
            • serialized.rb
            • text.rb
            • time.rb
            • type_map.rb
            • unsigned_integer.rb
          • type.rb
          • type_caster
            • connection.rb
            • map.rb
          • type_caster.rb
          • validations
            • absence.rb
            • associated.rb
            • length.rb
            • numericality.rb
            • presence.rb
            • uniqueness.rb
          • validations.rb
          • version.rb
        • arel.rb
    • activestorage
      • README.md
      • app
        • controllers
          • active_storage
            • base_controller.rb
            • blobs
              • proxy_controller.rb
              • redirect_controller.rb
            • direct_uploads_controller.rb
            • disk_controller.rb
            • representations
              • base_controller.rb
              • proxy_controller.rb
              • redirect_controller.rb
          • concerns
            • active_storage
              • file_server.rb
              • set_blob.rb
              • set_current.rb
              • set_headers.rb
        • jobs
          • active_storage
            • analyze_job.rb
            • base_job.rb
            • mirror_job.rb
            • purge_job.rb
        • models
          • active_storage
            • attachment.rb
            • blob
              • analyzable.rb
              • identifiable.rb
              • representable.rb
            • blob.rb
            • current.rb
            • filename.rb
            • preview.rb
            • record.rb
            • variant.rb
            • variant_record.rb
            • variant_with_record.rb
            • variation.rb
      • lib
        • active_storage
          • analyzer
            • image_analyzer.rb
            • null_analyzer.rb
            • video_analyzer.rb
          • analyzer.rb
          • attached
            • changes
              • create_many.rb
              • create_one.rb
              • create_one_of_many.rb
              • delete_many.rb
              • delete_one.rb
            • changes.rb
            • many.rb
            • model.rb
            • one.rb
          • attached.rb
          • downloader.rb
          • engine.rb
          • errors.rb
          • gem_version.rb
          • log_subscriber.rb
          • previewer
            • mupdf_previewer.rb
            • poppler_pdf_previewer.rb
            • video_previewer.rb
          • previewer.rb
          • reflection.rb
          • service
            • azure_storage_service.rb
            • configurator.rb
            • disk_service.rb
            • gcs_service.rb
            • mirror_service.rb
            • registry.rb
            • s3_service.rb
          • service.rb
          • transformers
            • image_processing_transformer.rb
            • transformer.rb
          • version.rb
    • activesupport
      • README.rdoc
      • lib
        • active_support
          • actionable_error.rb
          • all.rb
          • array_inquirer.rb
          • backtrace_cleaner.rb
          • benchmarkable.rb
          • builder.rb
          • cache
            • file_store.rb
            • mem_cache_store.rb
            • memory_store.rb
            • null_store.rb
            • redis_cache_store.rb
            • strategy
              • local_cache.rb
              • local_cache_middleware.rb
          • cache.rb
          • callbacks.rb
          • concern.rb
          • concurrency
            • load_interlock_aware_monitor.rb
            • share_lock.rb
          • configurable.rb
          • configuration_file.rb
          • core_ext
            • array
              • access.rb
              • conversions.rb
              • extract.rb
              • extract_options.rb
              • grouping.rb
              • inquiry.rb
              • wrap.rb
            • array.rb
            • benchmark.rb
            • big_decimal
              • conversions.rb
            • big_decimal.rb
            • class
              • attribute.rb
              • attribute_accessors.rb
              • subclasses.rb
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Ruby on Rails 6.0.6
Module

ActionView::Helpers::ActiveModelHelper

  • actionview/lib/action_view/helpers/active_model_helper.rb