Ruby 2.4参考手册

Ruby 是一种面向对象、命令式、函数式、动态的通用编程语言，是世界上最优美而巧妙的语言。

	缩略 \| Abbrev
	Abbrev	详细

	ARGF

	数组 \| Array
	Array	详细

	Base64

	基本对象 \| BasicObject
	BasicObject	详细

	基准测试 \| Benchmark
	Benchmark	详细
	Benchmark::Tms	详细

	BigDecimal
	BigMath	详细
	Jacobian	详细
	LUSolve	详细
	Newton	详细

	绑定 \| Binding
	Binding	详细

	CGI
	CGI::Cookie	详细
	CGI::HtmlExtension	详细
	CGI::InvalidEncoding	详细
	CGI::QueryExtension	详细
	CGI::Session	详细
	CGI::Session::FileStore	详细
	CGI::Session::MemoryStore	详细
	CGI::Session::NullStore	详细
	CGI::Session::PStore	详细
	CGI::Util	详细

	类 \| Class
	Class	详细

	比较 \| Comparable
	Comparable	详细

	负责 \| Complex
	Complex	详细

	计算续体 \| Continuation
	Continuation	详细

	覆盖 \| Coverage
	Coverage	详细

	CSV
	CSV::MalformedCSVError	详细
	CSV::Row	详细
	CSV::Table	详细

	日期 \| Date
	Date	详细

	日期时间 \| DateTime
	DateTime	详细

	DBM

	代理 \| Delegator
	Delegator	详细
	SimpleDelegator	详细

	摘要 \| Digest
	Digest	详细
	Digest::Base	详细
	Digest::Class	详细
	Digest::Instance	详细
	Digest::MD5	详细
	Digest::RMD160	详细
	Digest::SHA1	详细

	Dir

	DRb
	ACL	详细
	ACL::ACLEntry	详细
	ACL::ACLList	详细
	DRb::DRbArray	详细
	DRb::DRbBadScheme	详细
	DRb::DRbBadURI	详细
	DRb::DRbConn	详细
	DRb::DRbConnError	详细
	DRb::DRbError	详细
	DRb::DRbIdConv	详细
	DRb::DRbMessage	详细
	DRb::DRbObject	详细
	DRb::DRbObservable	详细
	DRb::DRbProtocol	详细
	DRb::DRbRemoteError	详细
	DRb::DRbServer	详细
	DRb::DRbServerNotFound	详细
	DRb::DRbSSLSocket	详细
	DRb::DRbSSLSocket::SSLConfig	详细
	DRb::DRbTCPSocket	详细
	DRb::DRbUndumped	详细
	DRb::DRbUNIXSocket	详细
	DRb::DRbUnknown	详细
	DRb::DRbUnknownError	详细
	DRb::ExtServ	详细
	DRb::ExtServManager	详细
	DRb::GW	详细
	DRb::GWIdConv	详细
	DRb::TimerIdConv	详细
	Rinda	详细
	Rinda::DRbObjectTemplate	详细
	Rinda::InvalidHashTupleKey	详细
	Rinda::NotifyTemplateEntry	详细
	Rinda::RequestCanceledError	详细
	Rinda::RequestExpiredError	详细
	Rinda::RindaError	详细
	Rinda::RingFinger	详细
	Rinda::RingProvider	详细
	Rinda::RingServer	详细
	Rinda::SimpleRenewer	详细
	Rinda::Template	详细
	Rinda::TemplateEntry	详细
	Rinda::Tuple	详细
	Rinda::TupleBag	详细
	Rinda::TupleBag::TupleBin	详细
	Rinda::TupleEntry	详细
	Rinda::TupleSpace	详细
	Rinda::TupleSpaceProxy	详细
	Rinda::WaitTemplateEntry	详细

	编码 \| Encoding
	Encoding	详细
	Encoding::CompatibilityError	详细
	Encoding::Converter	详细
	Encoding::ConverterNotFoundError	详细
	Encoding::InvalidByteSequenceError	详细
	Encoding::UndefinedConversionError	详细

	枚举 \| Enumerable
	Enumerable	详细

	枚举 \| Enumerator
	Enumerator	详细
	Enumerator::Generator	详细
	Enumerator::Lazy	详细
	Enumerator::Yielder	详细

	ENV

	ERB
	ERB::DefMethod	详细
	ERB::Util	详细

	错误 \| Errors
	ArgumentError	详细
	DBMError	详细
	EncodingError	详细
	EOFError	详细
	Errno	详细
	Errno::ECONNABORTED	详细
	Errno::ECONNRESET	详细
	Errno::EPROTO	详细
	fatal	详细
	FiberError	详细
	FloatDomainError	详细
	IndexError	详细
	Interrupt	详细
	IOError	详细
	KeyError	详细
	LoadError	详细
	LocalJumpError	详细
	NameError	详细
	NoMemoryError	详细
	NoMethodError	详细
	NotImplementedError	详细
	RangeError	详细
	RegexpError	详细
	RuntimeError	详细
	ScriptError	详细
	SDBMError	详细
	SecurityError	详细
	SignalException	详细
	SocketError	详细
	StandardError	详细
	StopIteration	详细
	SyntaxError	详细
	SystemCallError	详细
	SystemExit	详细
	SystemStackError	详细
	ThreadError	详细
	TypeError	详细
	UncaughtThrowError	详细
	ZeroDivisionError	详细

	Etc

	期望值 \| Exception
	Exception	详细

	错误类 \| FalseClass
	FalseClass	详细

	Fiber

	Fiddle
	Fiddle::BasicTypes	详细
	Fiddle::Closure	详细
	Fiddle::Closure::BlockCaller	详细
	Fiddle::CompositeHandler	详细
	Fiddle::CParser	详细
	Fiddle::CStruct	详细
	Fiddle::CStructBuilder	详细
	Fiddle::CStructEntity	详细
	Fiddle::CUnion	详细
	Fiddle::CUnionEntity	详细
	Fiddle::DLError	详细
	Fiddle::Function	详细
	Fiddle::Handle	详细
	Fiddle::Importer	详细
	Fiddle::Pointer	详细

	文件 \| File
	File	详细
	File::Constants	详细
	File::Stat	详细
	FileTest	详细

	文件实用程序 \| FileUtils
	FileUtils	详细
	FileUtils::DryRun	详细
	FileUtils::LowMethods	详细
	FileUtils::NoWrite	详细
	FileUtils::StreamUtils_	详细
	FileUtils::Verbose	详细

	查找 \| Find
	Find	详细

	浮点 \| Float
	Float	详细

	Forwardable
	SingleForwardable	详细

	GC
	GC::Profiler	详细

	GDBM

	GetoptLong
	GetoptLong::Error	详细

	Hash

	Integer

	IO
	IO::generic_readable	详细
	IO::generic_writable	详细

	IPAddr
	IPAddr::AddressFamilyError	详细
	IPAddr::Error	详细
	IPAddr::InvalidAddressError	详细
	IPAddr::InvalidPrefixError	详细

	JSON
	JSON::GenericObject	详细
	JSON::JSONError	详细
	JSON::MissingUnicodeSupport	详细
	JSON::NestingError	详细
	JSON::ParserError	详细
	JSON::UnparserError	详细

	Kernel

	语言 \| 3Language
	Assignment	详细
	Calling Methods	详细
	Control Expressions	详细
	Exception Handling	详细
	Keywords	详细
	Literals	详细
	Marshal Format	详细
	Methods	详细
	Miscellaneous Syntax	详细
	Modules	详细
	Pre-defined variables	详细
	Precedence	详细
	Refinements	详细
	Ruby Security	详细

	记录 \| Logger
	Logger	详细
	Logger::Formatter	详细
	Logger::LogDevice	详细
	Logger::Period	详细
	Logger::Severity	详细

	编排 \| Marshal
	Marshal	详细

	MatchData

	数学 \| Math
	CMath	详细
	Math	详细
	Math::DomainError	详细

	矩阵 \| Matrix
	Matrix	详细
	Matrix::EigenvalueDecomposition	详细
	Matrix::LUPDecomposition	详细

	方法 \| Method
	Method	详细

	模型 \| Module
	Module	详细

	监控 \| Monitor
	Monitor	详细
	MonitorMixin	详细
	MonitorMixin::ConditionVariable	详细

	互斥 \| Mutex
	ConditionVariable	详细
	Mutex_m	详细

	Net
	Net::APOPSession	详细
	Net::InternetMessageIO::WriteAdapter	详细
	Net::OpenTimeout	详细
	Net::POP3	详细
	Net::POPAuthenticationError	详细
	Net::POPBadResponse	详细
	Net::POPError	详细
	Net::POPMail	详细
	Net::ReadTimeout	详细

	Net::FTP
	Net::FTP::MLSxEntry	详细

	Net::HTTP
	Net::HTTP::Copy	详细
	Net::HTTP::Delete	详细
	Net::HTTP::Get	详细
	Net::HTTP::Head	详细
	Net::HTTP::Lock	详细
	Net::HTTP::Mkcol	详细
	Net::HTTP::Move	详细
	Net::HTTP::Options	详细
	Net::HTTP::Patch	详细
	Net::HTTP::Post	详细
	Net::HTTP::Propfind	详细
	Net::HTTP::Proppatch	详细
	Net::HTTP::Put	详细
	Net::HTTP::Trace	详细
	Net::HTTP::Unlock	详细
	Net::HTTPAccepted	详细
	Net::HTTPBadGateway	详细
	Net::HTTPBadRequest	详细
	Net::HTTPClientError	详细
	Net::HTTPConflict	详细
	Net::HTTPContinue	详细
	Net::HTTPCreated	详细
	Net::HTTPExceptions	详细
	Net::HTTPExpectationFailed	详细
	Net::HTTPFailedDependency	详细
	Net::HTTPForbidden	详细
	Net::HTTPFound	详细
	Net::HTTPGatewayTimeOut	详细
	Net::HTTPGenericRequest	详细
	Net::HTTPGone	详细
	Net::HTTPHeader	详细
	Net::HTTPIMUsed	详细
	Net::HTTPInformation	详细
	Net::HTTPInsufficientStorage	详细
	Net::HTTPInternalServerError	详细
	Net::HTTPLengthRequired	详细
	Net::HTTPLocked	详细
	Net::HTTPMethodNotAllowed	详细
	Net::HTTPMovedPermanently	详细
	Net::HTTPMultipleChoices	详细
	Net::HTTPMultiStatus	详细
	Net::HTTPNetworkAuthenticationRequired	详细
	Net::HTTPNoContent	详细
	Net::HTTPNonAuthoritativeInformation	详细
	Net::HTTPNotAcceptable	详细
	Net::HTTPNotFound	详细
	Net::HTTPNotImplemented	详细
	Net::HTTPNotModified	详细
	Net::HTTPOK	详细
	Net::HTTPPartialContent	详细
	Net::HTTPPaymentRequired	详细
	Net::HTTPPermanentRedirect	详细
	Net::HTTPPreconditionFailed	详细
	Net::HTTPPreconditionRequired	详细
	Net::HTTPProxyAuthenticationRequired	详细
	Net::HTTPRedirection	详细
	Net::HTTPRequest	详细
	Net::HTTPRequestedRangeNotSatisfiable	详细
	Net::HTTPRequestEntityTooLarge	详细
	Net::HTTPRequestHeaderFieldsTooLarge	详细
	Net::HTTPRequestTimeOut	详细
	Net::HTTPRequestURITooLong	详细
	Net::HTTPResetContent	详细
	Net::HTTPResponse	详细
	Net::HTTPSeeOther	详细
	Net::HTTPServerError	详细
	Net::HTTPServiceUnavailable	详细
	Net::HTTPSuccess	详细
	Net::HTTPSwitchProtocol	详细
	Net::HTTPTemporaryRedirect	详细
	Net::HTTPTooManyRequests	详细
	Net::HTTPUnauthorized	详细
	Net::HTTPUnavailableForLegalReasons	详细
	Net::HTTPUnknownResponse	详细
	Net::HTTPUnprocessableEntity	详细
	Net::HTTPUnsupportedMediaType	详细
	Net::HTTPUpgradeRequired	详细
	Net::HTTPUseProxy	详细
	Net::HTTPVersionNotSupported	详细

	Net::IMAP
	Net::IMAP::BadResponseError	详细
	Net::IMAP::BodyTypeAttachment	详细
	Net::IMAP::BodyTypeBasic	详细
	Net::IMAP::BodyTypeExtension	详细
	Net::IMAP::BodyTypeMessage	详细
	Net::IMAP::BodyTypeMultipart	详细
	Net::IMAP::BodyTypeText	详细
	Net::IMAP::ByeResponseError	详细
	Net::IMAP::CramMD5Authenticator	详细
	Net::IMAP::DataFormatError	详细
	Net::IMAP::DigestMD5Authenticator	详细
	Net::IMAP::Error	详细
	Net::IMAP::FlagCountError	详细
	Net::IMAP::LoginAuthenticator	详细
	Net::IMAP::NoResponseError	详细
	Net::IMAP::NumValidator	详细
	Net::IMAP::PlainAuthenticator	详细
	Net::IMAP::ResponseError	详细
	Net::IMAP::ResponseParseError	详细

	Net::SMTP
	Net::SMTP::Response	详细
	Net::SMTPAuthenticationError	详细
	Net::SMTPError	详细
	Net::SMTPFatalError	详细
	Net::SMTPServerBusy	详细
	Net::SMTPSyntaxError	详细
	Net::SMTPUnknownError	详细
	Net::SMTPUnsupportedCommand	详细

	NilClass

	数字 \| Numeric
	Numeric	详细

	对象 \| Object
	Object	详细

	ObjectSpace
	ObjectSpace::InternalObjectWrapper	详细
	ObjectSpace::WeakMap	详细

	Observable

	Open3

	OpenSSL
	OpenSSL::ASN1	详细
	OpenSSL::ASN1::ASN1Data	详细
	OpenSSL::ASN1::ASN1Error	详细
	OpenSSL::ASN1::Constructive	详细
	OpenSSL::ASN1::ObjectId	详细
	OpenSSL::ASN1::Primitive	详细
	OpenSSL::BN	详细
	OpenSSL::BNError	详细
	OpenSSL::Buffering	详细
	OpenSSL::Cipher	详细
	OpenSSL::Cipher::Cipher	详细
	OpenSSL::Config	详细
	OpenSSL::ConfigError	详细
	OpenSSL::Digest	详细
	OpenSSL::Digest::DigestError	详细
	OpenSSL::Engine	详细
	OpenSSL::Engine::EngineError	详细
	OpenSSL::ExtConfig	详细
	OpenSSL::HMAC	详细
	OpenSSL::HMACError	详细
	OpenSSL::Netscape	详细
	OpenSSL::Netscape::SPKI	详细
	OpenSSL::Netscape::SPKIError	详细
	OpenSSL::OCSP	详细
	OpenSSL::OCSP::BasicResponse	详细
	OpenSSL::OCSP::CertificateId	详细
	OpenSSL::OCSP::OCSPError	详细
	OpenSSL::OCSP::Request	详细
	OpenSSL::OCSP::Response	详细
	OpenSSL::OCSP::SingleResponse	详细
	OpenSSL::OpenSSLError	详细
	OpenSSL::PKCS12	详细
	OpenSSL::PKCS5	详细
	OpenSSL::PKCS5::PKCS5Error	详细
	OpenSSL::PKCS7	详细
	OpenSSL::PKCS7::RecipientInfo	详细
	OpenSSL::PKCS7::SignerInfo	详细
	OpenSSL::PKey	详细
	OpenSSL::PKey::DH	详细
	OpenSSL::PKey::DHError	详细
	OpenSSL::PKey::DSA	详细
	OpenSSL::PKey::DSAError	详细
	OpenSSL::PKey::EC	详细
	OpenSSL::PKey::EC::Group	详细
	OpenSSL::PKey::EC::Point	详细
	OpenSSL::PKey::PKey	详细
	OpenSSL::PKey::PKeyError	详细
	OpenSSL::PKey::RSA	详细
	OpenSSL::PKey::RSAError	详细
	OpenSSL::Random	详细
	OpenSSL::SSL	详细
	OpenSSL::SSL::Session	详细
	OpenSSL::SSL::SocketForwarder	详细
	OpenSSL::SSL::SSLContext	详细
	OpenSSL::SSL::SSLError	详细
	OpenSSL::SSL::SSLServer	详细
	OpenSSL::SSL::SSLSocket	详细
	OpenSSL::X509::Attribute	详细
	OpenSSL::X509::Certificate	详细
	OpenSSL::X509::CRL	详细
	OpenSSL::X509::Extension	详细
	OpenSSL::X509::ExtensionFactory	详细
	OpenSSL::X509::Name	详细
	OpenSSL::X509::Name::RFC2253DN	详细
	OpenSSL::X509::Request	详细
	OpenSSL::X509::Revoked	详细
	OpenSSL::X509::Store	详细
	OpenSSL::X509::StoreContext	详细

	OpenStruct

	OpenURI
	OpenURI::HTTPError	详细
	OpenURI::HTTPRedirect	详细
	OpenURI::Meta	详细
	OpenURI::OpenRead	详细

	OptionParser
	OptionParser::AC	详细
	OptionParser::Acceptables	详细
	OptionParser::AmbiguousArgument	详细
	OptionParser::AmbiguousOption	详细
	OptionParser::Arguable	详细
	OptionParser::CompletingHash	详细
	OptionParser::Completion	详细
	OptionParser::InvalidArgument	详细
	OptionParser::InvalidOption	详细
	OptionParser::List	详细
	OptionParser::MissingArgument	详细
	OptionParser::NeedlessArgument	详细
	OptionParser::OptionMap	详细
	OptionParser::ParseError	详细
	OptionParser::Switch	详细
	OptionParser::Switch::NoArgument	详细
	OptionParser::Switch::OptionalArgument	详细
	OptionParser::Switch::PlacedArgument	详细
	OptionParser::Switch::RequiredArgument	详细

	路径名 \| Pathname
	Pathname	详细

	完整输出 \| PrettyPrint
	PP	详细
	PP::PPMethods	详细
	PrettyPrint	详细
	PrettyPrint::SingleLine	详细

	Prime
	Prime::EratosthenesGenerator	详细
	Prime::EratosthenesSieve	详细
	Prime::Generator23	详细
	Prime::PseudoPrimeGenerator	详细
	Prime::TrialDivision	详细
	Prime::TrialDivisionGenerator	详细

	Proc

	过程 \| Process
	Process	详细
	Process::GID	详细
	Process::Status	详细
	Process::Sys	详细
	Process::UID	详细
	Process::Waiter	详细

	PStore
	PStore::Error	详细

	PTY
	PTY::ChildExited	详细

	队列 \| Queue
	Queue	详细
	SizedQueue	详细

	随机 \| Random
	Random	详细
	Random::Formatter	详细

	范围 \| Range
	Range	详细

	合理的 \| Rational
	Rational	详细

	Readline

	Regexp

	Resolv
	Resolv::DNS	详细
	Resolv::DNS::Config::NXDomain	详细
	Resolv::DNS::Config::OtherResolvError	详细
	Resolv::DNS::DecodeError	详细
	Resolv::DNS::EncodeError	详细
	Resolv::DNS::Name	详细
	Resolv::DNS::Query	详细
	Resolv::DNS::Requester::RequestError	详细
	Resolv::DNS::Resource	详细
	Resolv::DNS::Resource::ANY	详细
	Resolv::DNS::Resource::CNAME	详细
	Resolv::DNS::Resource::DomainName	详细
	Resolv::DNS::Resource::Generic	详细
	Resolv::DNS::Resource::HINFO	详细
	Resolv::DNS::Resource::IN	详细
	Resolv::DNS::Resource::IN::A	详细
	Resolv::DNS::Resource::IN::AAAA	详细
	Resolv::DNS::Resource::IN::SRV	详细
	Resolv::DNS::Resource::IN::WKS	详细
	Resolv::DNS::Resource::LOC	详细
	Resolv::DNS::Resource::MINFO	详细
	Resolv::DNS::Resource::MX	详细
	Resolv::DNS::Resource::NS	详细
	Resolv::DNS::Resource::PTR	详细
	Resolv::DNS::Resource::SOA	详细
	Resolv::DNS::Resource::TXT	详细
	Resolv::Hosts	详细
	Resolv::IPv4	详细
	Resolv::IPv6	详细
	Resolv::LOC::Alt	详细
	Resolv::LOC::Coord	详细
	Resolv::LOC::Size	详细
	Resolv::MDNS	详细
	Resolv::ResolvError	详细
	Resolv::ResolvTimeout	详细

	Ripper
	Ripper::Filter	详细

	RubyVM
	RubyVM::InstructionSequence	详细

	Scanf

	SDBM

	SecureRandom

	Set
	SortedSet	详细

	Shell
	Shellwords	详细

	信号 \| Signal
	Signal	详细

	Singleton

	套接字 \| Socket
	Addrinfo	详细
	BasicSocket	详细
	IPSocket	详细
	Socket	详细
	Socket::AncillaryData	详细
	Socket::Constants	详细
	Socket::Ifaddr	详细
	Socket::Option	详细
	Socket::UDPSource	详细
	SOCKSSocket	详细
	TCPServer	详细
	TCPSocket	详细
	UDPSocket	详细
	UNIXServer	详细
	UNIXSocket	详细

	字符串 \| String
	String	详细

	StringIO

	StringScanner

	结构 \| Struct
	Struct	详细

	符号 \| Symbol
	Symbol	详细

	同步 \| Sync
	Sync	详细
	Synchronizer	详细
	Synchronizer_m	详细
	Sync_m	详细
	Sync_m::Err	详细
	Sync_m::Err::LockModeFailer	详细
	Sync_m::Err::UnknownLocker	详细

	系统日志 \| Syslog
	Syslog	详细
	Syslog::Constants	详细
	Syslog::Logger	详细
	Syslog::Logger::Formatter	详细
	Syslog::Macros	详细

	临时文件 \| Tempfile
	Tempfile	详细
	TempIO	详细

	线 \| Thread
	Thread	详细
	Thread::Backtrace::Location	详细
	Thread::Mutex	详细
	ThreadGroup	详细
	ThreadsWait	详细
	ThWait	详细

	时间 \| Time
	Time	详细

	时间耗尽 \| Timeout
	Timeout	详细
	Timeout::Error	详细
	Timeout::TimeoutError	详细

	追踪点 \| TracePoint
	TracePoint	详细

	追踪 \| Tracer
	Tracer	详细

	实类 \| TrueClass
	TrueClass	详细

	TSort

	UnboundMethod

	URI
	URI::BadURIError	详细
	URI::Error	详细
	URI::Escape	详细
	URI::FTP	详细
	URI::Generic	详细
	URI::HTTP	详细
	URI::HTTPS	详细
	URI::InvalidComponentError	详细
	URI::InvalidURIError	详细
	URI::LDAP	详细
	URI::LDAPS	详细
	URI::MailTo	详细
	URI::RFC2396_Parser	详细
	URI::RFC2396_REGEXP	详细
	URI::RFC2396_REGEXP::PATTERN	详细

	向量 \| Vector
	Vector	详细

	警告 \| Warning
	Warning	详细

	WeakRef
	WeakRef::RefError	详细

	YAML
	Psych	详细
	YAML::DBM	详细
	YAML::Store	详细
	YAML::Syck	详细

	Zlib
	Zlib::BufError	详细
	Zlib::DataError	详细
	Zlib::Deflate	详细
	Zlib::Error	详细
	Zlib::GzipFile	详细
	Zlib::GzipFile::CRCError	详细
	Zlib::GzipFile::Error	详细
	Zlib::GzipFile::LengthError	详细
	Zlib::GzipFile::NoFooter	详细
	Zlib::GzipReader	详细
	Zlib::GzipWriter	详细
	Zlib::Inflate	详细
	Zlib::MemError	详细
	Zlib::NeedDict	详细
	Zlib::StreamEnd	详细
	Zlib::StreamError	详细
	Zlib::VersionError	详细
	Zlib::ZStream	详细

	Ruby 环境变量

	Ruby 命令行选项

	Ruby 安装 – Windows

	Ruby 安装 – Linux

	Ruby 环境

	Ruby 简介

	Ruby 循环

	Ruby 条件判断

	Ruby 注释

	Ruby 运算符

	Ruby 变量

	Ruby 类案例

	Ruby 类和对象

	Ruby 语法

	Ruby 模块（Module）

	Ruby 块

	Ruby 方法

	Ruby 数组（Array）

	Ruby 字符串（String）

	Ruby 异常

	Ruby Dir 类和方法

	Ruby File 类和方法

	Ruby 文件的输入与输出

	Ruby 迭代器

	Ruby 范围（Range）

	Ruby 日期 & 时间（Date & Time）

	Ruby 哈希（Hash）

	Ruby DBI Read 操作

	Ruby 正则表达式

	Ruby 面向对象

	Ruby CGI方法

	Ruby 多线程

	Ruby Web Service 应用 – SOAP4R

	Ruby XML, XSLT 和 XPath 教程

	Ruby Socket 编程

	Ruby 发送邮件 – SMTP

	Ruby CGI Session

	Ruby CGI Cookie

	Ruby 数据类型

	Ruby JSON

	Ruby RubyGems

	Ruby 中文编码

	Ruby 连接 Mysql – MySql2

Ruby 2.4资料

主页	https://www.ruby-lang.org/
源码	https://github.com/ruby/ruby
版本	2.4
发布版本	2.4.1

Ruby 2.4目录

1.缩略 \| Abbrev
2.ARGF
3.数组 \| Array
4.Base64
5.基本对象 \| BasicObject
6.基准测试 \| Benchmark
7.BigDecimal
8.绑定 \| Binding
9.CGI
10.类 \| Class
11.比较 \| Comparable
12.负责 \| Complex
13.计算续体 \| Continuation
14.覆盖 \| Coverage
15.CSV
16.日期 \| Date
17.日期时间 \| DateTime
18.DBM
19.代理 \| Delegator
20.摘要 \| Digest
21.Dir
22.DRb
23.编码 \| Encoding
24.枚举 \| Enumerable
25.枚举 \| Enumerator
26.ENV
27.ERB
28.错误 \| Errors
29.Etc
30.期望值 \| Exception
31.错误类 \| FalseClass
32.Fiber
33.Fiddle
34.文件 \| File
35.文件实用程序 \| FileUtils
36.查找 \| Find
37.浮点 \| Float
38.Forwardable
39.GC
40.GDBM
41.GetoptLong
42.Hash
43.Integer
44.IO
45.IPAddr
46.JSON
47.Kernel
48.语言 \| 3Language
49.记录 \| Logger
50.编排 \| Marshal
51.MatchData
52.数学 \| Math
53.矩阵 \| Matrix
54.方法 \| Method
55.模型 \| Module
56.监控 \| Monitor
57. 互斥 \| Mutex
58.Net
59.Net::FTP
60.Net::HTTP
61.Net::IMAP
62.Net::SMTP
63.NilClass
64.数字 \| Numeric
65.对象 \| Object
66.ObjectSpace
67.Observable
68.Open3
69.OpenSSL
70.OpenStruct
71.OpenURI
72.OptionParser
73.路径名 \| Pathname
74.完整输出 \| PrettyPrint
75.Prime
76.Proc
77.过程 \| Process
78.PStore
79.PTY
80.队列 \| Queue
81.随机 \| Random
82.范围 \| Range
83.合理的 \| Rational
84.Readline
85.Regexp
86.Resolv
87.Ripper
88.RubyVM
89.Scanf
90.SDBM
91.SecureRandom
92.Set
93.Shell
94.信号 \| Signal
95.Singleton
96.套接字 \| Socket
97.字符串 \| String
98.StringIO
99.StringScanner
100.结构 \| Struct

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