Ruby on Rails 4 Documentation

Entries

• 2_2_release_notes.html
• 2_3_release_notes.html
• 3_0_release_notes.html
• 3_1_release_notes.html
• 3_2_release_notes.html
• 4_0_release_notes.html
• 4_1_release_notes.html
• 4_2_release_notes.html
• API.html
• AbstractAdapter.html
• AbstractController.html
• AbstractMysqlAdapter.html
• AbstractStore.html
• ActionController.html
• ActionController.html
• ActionController.html
• ActionDispatch.html
• ActionMailer.html
• ActionMiddleware.html
• ActionNotFound.html
• ActionView.html
• Actions.html
• ActiveJob.html
• ActiveModel.html
• ActiveModel.html
• ActiveModelHelper.html
• ActiveModelInstanceTag.html
• ActiveRecord.html
• ActiveRecordError.html
• ActiveSupport.html
• ActiveSupport.html
• ActiveSupport.html
• ActiveSupport.html
• AdapterNotFound.html
• AdapterNotSpecified.html
• After.html
• Aggregations.html
• Aliases.html
• All.html
• Annotation.html
• AppBase.html
• AppBuilder.html
• AppTask.html
• Application.html
• Around.html
• Array.html
• Assertions.html
• Assertions.html
• Assertions.html
• AssetTagHelper.html
• AssetUrlHelper.html
• AssociationRelation.html
• AssociationScope.html
• AssociationTypeMismatch.html
• Associations.html
• AtomFeedHelper.html
• AttributeAssignment.html
• AttributeAssignmentError.html
• AttributeMethodCache.html
• AttributeMethods.html
• AttributeMethods.html
• Autoload.html
• AutosaveAssociation.html
• BackburnerAdapter.html
• BacktraceCleaner.html
• BacktraceCleaner.html
• Base.html
• Base.html
• Base.html
• Base.html
• Base.html
• Base.html
• Base.html
• Base.html
• Basic.html
• Batches.html
• Before.html
• BeforeTypeCast.html
• Behavior.html
• Behavior.html
• Behavior.html
• Behavior.html
• Behaviour.html
• Benchmark.html
• Benchmarkable.html
• BigDecimal.html
• BindCollector.html
• BindSubstitution.html
• Bit.html
• Bootstrap.html
• Builder.html
• Builder.html
• Cache.html
• Cache.html
• Cache.html
• Cache.html
• Cache.html
• CacheHelper.html
• CacheStore.html
• Caching.html
• CachingKeyGenerator.html
• Calculations.html
• Calculations.html
• CallbackSequence.html
• Callbacks.html
• Callbacks.html
• Callbacks.html
• Callbacks.html
• Callbacks.html
• Callbacks.html
• Callbacks.html
• CaptureHelper.html
• ChainedCookieJars.html
• Chars.html
• CheckPending.html
• Class.html
• ClassCache.html
• ClassCache.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClassMethods.html
• ClientDisconnected.html
• Codepoint.html
• Collection.html
• CollectionProxy.html
• Collector.html
• Collector.html
• Collector.html
• Column.html
• ColumnDefinition.html
• ColumnDumper.html
• ColumnMethods.html
• CommandRecorder.html
• Compatibility.html
• Compatibility.html
• Concern.html
• Concerning.html
• Concerns.html
• Concurrency.html
• ConditionalGet.html
• Conditionals.html
• ConfigMethods.html
• Configurable.html
• Configurable.html
• Configuration.html
• Configuration.html
• Configuration.html
• Configuration.html
• Configuration.html
• ConfigurationError.html
• ConnectionAdapters.html
• ConnectionHandler.html
• ConnectionHandling.html
• ConnectionManagement.html
• ConnectionNotEstablished.html
• ConnectionPool.html
• ConnectionTimeoutError.html
• Console.html
• ConsoleFormatter.html
• ConsoleMethods.html
• ConstantLookup.html
• Context.html
• ControllerMethods.html
• ControllerMethods.html
• ControllerMethods.html
• Conversion.html
• CookieStore.html
• Cookies.html
• Cookies.html
• Core.html
• Core.html
• CounterCache.html
• CreateMigration.html
• CsrfHelper.html
• DBConsole.html
• DangerousAttributeError.html
• Data.html
• DataStreaming.html
• DatabaseLimits.html
• DatabaseStatements.html
• DatabaseStatements.html
• DatabaseTasks.html
• Date.html
• DateAndTime.html
• DateHelper.html
• DateTime.html
• DebugExceptions.html
• DebugHelper.html
• Debugger.html
• Declarative.html
• Default.html
• DefaultMiddlewareStack.html
• DelayedJobAdapter.html
• DelegateCache.html
• Delegation.html
• DelegationError.html
• DeliveryMethods.html
• Dependencies.html
• DependencyTracker.html
• DeprecatedConstant.html
• DeprecatedConstantProxy.html
• DeprecatedInstanceVariableProxy.html
• DeprecatedObjectProxy.html
• Deprecation.html
• DeprecationException.html
• DescendantsTracker.html
• DeserializationError.html
• DetailsCache.html
• DetailsKey.html
• Digest.html
• Digest.html
• Digestor.html
• Dirty.html
• DisallowedType.html
• Dispatcher.html
• DoubleRenderError.html
• Duration.html
• DynamicMatchers.html
• ERB.html
• ERB.html
• EdgeTask.html
• Encoding.html
• Encoding.html
• End.html
• Engine.html
• Enqueuing.html
• EntityStore.html
• Enum.html
• Enumerable.html
• Errors.html
• Erubis.html
• EtagWithTemplateDigest.html
• Event.html
• Exception.html
• ExceptionWrapper.html
• Execution.html
• Explain.html
• ExplainPrettyPrinter.html
• FalseClass.html
• Fanout.html
• Field.html
• Fields.html
• File.html
• FileHandler.html
• FileStore.html
• FileSystemResolver.html
• FileUpdateChecker.html
• FilterParameters.html
• FilterRedirect.html
• Filters.html
• FindBy.html
• FindByBang.html
• Finder.html
• FinderMethods.html
• Finisher.html
• FixtureResolver.html
• FixtureSet.html
• Flash.html
• Flash.html
• FlashHash.html
• Float.html
• ForbiddenAttributesError.html
• ForceSSL.html
• ForeignAssociation.html
• Forking.html
• FormBuilder.html
• FormHelper.html
• FormOptionsHelper.html
• FormTagHelper.html
• Format.html
• Format.html
• Fragments.html
• Gem.html
• GemfileEntry.html
• Generator.html
• Generators.html
• GetIp.html
• Gzip.html
• Handlers.html
• HasAndBelongsToMany.html
• Hash.html
• HashBuilder.html
• HashBuilder.html
• HashWithIndifferentAccess.html
• Head.html
• Headers.html
• HelperMethods.html
• Helpers.html
• Helpers.html
• Helpers.html
• Helpers.html
• HideActions.html
• HtmlTableFormatter.html
• Http.html
• HttpAuthentication.html
• HttpHelpers.html
• I18n.html
• ImmutableRelation.html
• ImplicitRender.html
• Inflections.html
• Inflector.html
• Info.html
• InheritableOptions.html
• Inheritance.html
• Initializable.html
• Initializer.html
• InlineAdapter.html
• InlinePreviewInterceptor.html
• InstanceMethodsOnActivation.html
• Instrumentation.html
• Instrumenter.html
• Integer.html
• Integration.html
• Integration.html
• IntegrationTest.html
• InvalidForeignKey.html
• InvalidMessage.html
• InvalidNumberError.html
• InvalidSignature.html
• IpSpoofAttackError.html
• IrreversibleMigration.html
• Isolation.html
• JSON.html
• JSON.html
• JavaScriptHelper.html
• JoinDependency.html
• JoinTableResolver.html
• Journey.html
• Kernel.html
• KeyGenerator.html
• KnownClass.html
• Latch.html
• LateAttachmentsProxy.html
• Layouts.html
• LegacyYamlAdapter.html
• LibXML.html
• Lint.html
• Live.html
• LiveTestResponse.html
• LoadError.html
• LocalCache.html
• LocalStore.html
• Locals.html
• Locking.html
• LogSubscriber.html
• LogSubscriber.html
• LogSubscriber.html
• LogSubscriber.html
• LogSubscriber.html
• LogTailer.html
• Logger.html
• Logger.html
• LoggerSilence.html
• LoggerThreadSafeLevel.html
• LookupContext.html
• MacroReflection.html
• Mail.html
• MailHelper.html
• Mapper.html
• Marshal.html
• MemCacheStore.html
• MemCacheStore.html
• MemoryStore.html
• MessageDelivery.html
• MessageEncryptor.html
• MessageVerifier.html
• MetaStore.html
• Metal.html
• Method.html
• Method.html
• MethodWrapper.html
• Middleware.html
• Middleware.html
• MiddlewareStack.html
• MiddlewareStackProxy.html
• Migration.html
• Migration.html
• MigrationProxy.html
• Mime.html
• Mime.html
• Mime.html
• MimeNegotiation.html
• MimeResponds.html
• Mimes.html
• MissingAttributeError.html
• MissingHelperError.html
• MissingRenderer.html
• MockLogger.html
• Model.html
• ModelNaming.html
• ModelNaming.html
• ModelSchema.html
• Module.html
• Mount.html
• MountedHelpers.html
• Multibyte.html
• MultiparameterAssignmentErrors.html
• Mysql.html
• Mysql2Adapter.html
• MysqlAdapter.html
• Name.html
• NameError.html
• Named.html
• NamedBase.html
• NamedRouteCollection.html
• Naming.html
• NestedAttributes.html
• NilClass.html
• NoDatabaseError.html
• NoTouching.html
• Nokogiri.html
• NonInferrableMailerError.html
• Notifications.html
• NullResolver.html
• NullSession.html
• NullStore.html
• NullType.html
• NumberHelper.html
• NumberHelper.html
• Numeric.html
• OID.html
• Object.html
• Optimistic.html
• OptimizedUrlHelper.html
• Options.html
• OrderedHash.html
• OrderedOptions.html
• OutputSafetyHelper.html
• Parameter.html
• ParameterFilter.html
• ParameterMissing.html
• Parameters.html
• Parameters.html
• ParamsParser.html
• ParamsWrapper.html
• ParseError.html
• Parser.html
• PartialIteration.html
• PartialRenderer.html
• Path.html
• Path.html
• PathRedirect.html
• Paths.html
• PerThreadRegistry.html
• Persistence.html
• Pessimistic.html
• PluginBuilder.html
• PolymorphicRoutes.html
• PostgreSQL.html
• PostgreSQLAdapter.html
• PreparedStatementInvalid.html
• Preview.html
• Previews.html
• PrimaryKey.html
• Process.html
• ProtectionMethods.html
• ProxyObject.html
• PublicExceptions.html
• QuAdapter.html
• QualifiedConstUtils.html
• QueAdapter.html
• Query.html
• QueryCache.html
• QueryCache.html
• QueryMethods.html
• Querying.html
• Queue.html
• QueueAdapter.html
• QueueAdapters.html
• QueueClassicAdapter.html
• QueueName.html
• Quoting.html
• Quoting.html
• Rack.html
• Rack.html
• Rack.html
• Rack.html
• RackBody.html
• RackDelegation.html
• Rails.html
• Rails.html
• Rails41.html
• RailsEntityStore.html
• RailsMetaStore.html
• Railtie.html
• Railtie.html
• Railtie.html
• Railtie.html
• Railtie.html
• Railtie.html
• Railties.html
• Railties.html
• Railties.html
• Rake.html
• Range.html
• Raw.html
• RbConfig.html
• Read.html
• ReadOnlyRecord.html
• ReadonlyAttributes.html
• RealTransaction.html
• Reaper.html
• RecordIdentifier.html
• RecordInvalid.html
• RecordNotDestroyed.html
• RecordNotFound.html
• RecordNotSaved.html
• RecordNotUnique.html
• RecordTagHelper.html
• Redirecting.html
• Redirection.html
• Reflection.html
• Relation.html
• Reloader.html
• RemoteIp.html
• RenderedViewsCollection.html
• Renderer.html
• Renderers.html
• Rendering.html
• Rendering.html
• Rendering.html
• RenderingHelper.html
• RepoTask.html
• Reporting.html
• Request.html
• Request.html
• RequestForgeryProtection.html
• RequestHelpers.html
• RequestId.html
• Rescuable.html
• Rescue.html
• ResetSession.html
• Resolver.html
• Resources.html
• Response.html
• Response.html
• ResponseAssertions.html
• ResqueAdapter.html
• Result.html
• Result.html
• Rollback.html
• Root.html
• RouteSet.html
• RouteWrapper.html
• RoutesHelpers.html
• RoutesReloader.html
• Routing.html
• RoutingAssertions.html
• RoutingUrlFor.html
• Runner.html
• SQLString.html
• SQLite3Adapter.html
• SSE.html
• SSL.html
• SafeBuffer.html
• SafeConcatError.html
• Sanitization.html
• SanitizeHelper.html
• SavepointTransaction.html
• Schema.html
• SchemaCache.html
• SchemaCreation.html
• SchemaCreation.html
• SchemaMigration.html
• SchemaStatements.html
• SchemaStatements.html
• Scoping.html
• Scoping.html
• SecurePassword.html
• SecurityUtils.html
• Serialization.html
• Serialization.html
• Serialization.html
• SerializationError.html
• SerializationTypeMismatch.html
• Serializers.html
• Server.html
• Session.html
• Session.html
• SetupAndTeardown.html
• SetupAndTeardown.html
• ShowExceptions.html
• SidekiqAdapter.html
• SimpleFormatter.html
• SmallCache.html
• SneakersAdapter.html
• SourceAnnotationExtractor.html
• SpawnMethods.html
• StableTask.html
• StaleObjectError.html
• StaleSessionCheck.html
• StatementInvalid.html
• StatementPool.html
• StatementPool.html
• StatementPool.html
• StatementPool.html
• Static.html
• Stmt.html
• Store.html
• Store.html
• StraightReversions.html
• Strategy.html
• Stream.html
• Streaming.html
• StrictValidationFailed.html
• String.html
• StringInquirer.html
• StrongParameters.html
• Subprocess.html
• Subscriber.html
• SuckerPunchAdapter.html
• Symbol.html
• Table.html
• Table.html
• Table.html
• TableDefinition.html
• TableDefinition.html
• TagHelper.html
• TaggedLogging.html
• Task.html
• Tasks.html
• Template.html
• Template.html
• TemplateAssertions.html
• TestAdapter.html
• TestCase.html
• TestCase.html
• TestCase.html
• TestCase.html
• TestCase.html
• TestCase.html
• TestController.html
• TestFixtures.html
• TestHelper.html
• TestHelper.html
• TestHelper.html
• TestProcess.html
• TestRequest.html
• TestResponse.html
• TestResponse.html
• TestUnitRailtie.html
• Testing.html
• Testing.html
• Testing.html
• Tests.html
• TextHelper.html
• Thread.html
• ThreadSafe.html
• ThreadSafe.html
• ThreadSafe.html
• ThreadSafe.html
• ThreadSafe.html
• Time.html
• Time.html
• TimeHelpers.html
• TimeWithZone.html
• TimeZone.html
• TimeZoneConversion.html
• Timestamp.html
• Token.html
• TooManyRecords.html
• TransactionIsolationError.html
• TransactionState.html
• Transactions.html
• Translation.html
• Translation.html
• Translation.html
• TranslationHelper.html
• TrueClass.html
• Type.html
• Type.html
• Type.html
• Type.html
• Types.html
• URI.html
• URL.html
• UUID.html
• Unicode.html
• UnicodeDatabase.html
• UnknownAttributeError.html
• UnknownPrimaryKey.html
• UnpermittedParameters.html
• UploadedFile.html
• UrlFor.html
• UrlFor.html
• UrlFor.html
• UrlHelper.html
• UrlHelper.html
• Util.html
• VERSION.html
• VERSION.html
• VERSION.html
• VERSION.html
• VERSION.html
• VERSION.html
• VERSION.html
• Validations.html
• Validations.html
• Validator.html
• Value.html
• Version.html
• ViewPaths.html
• ViewPaths.html
• WatchStack.html
• WhereChain.html
• WrappedDatabaseException.html
• Write.html
• XML.html
• XML.html
• XMLConverter.html
• Xml.html
• XmlMini.html
• XmlMini_LibXMLSAX.html
• XmlMini_Nokogiri.html
• XmlMini_NokogiriSAX.html
• Zones.html
• action_controller_overview.html
• action_mailer_basics.html
• action_view_overview.html
• active_job_basics.html
• active_model_basics.html
• active_record_basics.html
• active_record_callbacks.html
• active_record_migrations.html
• active_record_querying.html
• active_record_validations.html
• active_support_core_extensions.html
• api_documentation_guidelines.html
• asset_pipeline.html
• association_basics.html
• autoloading_and_reloading_constants.html
• command_line.html
• configuring.html
• contributing_to_ruby_on_rails.html
• debugging_rails_applications.html
• engines.html
• form_helpers.html
• generators.html
• getting_started.html
• i18n.html
• index.html
• initialization.html
• layouts_and_rendering.html
• maintenance_policy.html
• plugins.html
• rails_on_rack.html
• routing.html
• ruby_on_rails_guides_guidelines.html
• security.html
• testing.html
• upgrading_ruby_on_rails.html
• working_with_javascript_in_rails.html