2424件ヒット
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bigdecimal
/ math (11) - cmath (12)
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net
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rexml
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rexml
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rexml
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rinda
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rinda
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rubygems
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shell
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shell
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win32
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CGI
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Etc
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File
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Matrix
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OpenSSL
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OpenSSL
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Process
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Psych
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Psych
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RDoc
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RSS
:: TaxonomyTopicModel :: TaxonomyTopic (66) -
RSS
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RSS
:: TrackBackModel10 :: TrackBackPing (44) -
RSS
:: TrackBackModel20 :: TrackBackPing (44) - Regexp (22)
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Resolv
:: DNS :: Resource :: SOA (22) -
Rinda
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RubyVM
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Shell
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Shell
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WEBrick
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WIN32OLE
_ METHOD (11)
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Net
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OpenSSL
:: OCSP (11) -
OpenSSL
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REXML
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REXML
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RSS
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RSS
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RSS
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Socket
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Syslog
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Win32
:: Registry :: API (297)
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$ PID (11) -
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RESPID
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TCP
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V
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V
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bigdecimal
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each
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each
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enc
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end
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pipe
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pipeline
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pipeline
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pipeline
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pipeline
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processing
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rb
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rb
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rb
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rb
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rb
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rb
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rb
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rexml
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set
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start
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start
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taxo
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taxo
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taxo
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taxo
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taxo
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trackback
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trackback
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try
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- メソッド呼び出し(super・ブロック付き・yield) (11)
検索結果
-
Ruby用語集 (46.0)
-
Ruby用語集 A B C D E F G I J M N O R S Y
...Ruby用語集
A B C D E F G I J M N O R S Y
a ka sa ta na ha ma ya ra wa
=== 記号・数字
: %記法
: % notation
「%」記号で始まる多種多様なリテラル記法の総称。
参照:d:spec/literal#percent
: 0 オリジン
: zero-ba......sed
番号が 0 から始まること。
例えば、
Array や Vector、Matrix などの要素の番号、
String における文字の位置、
といったものは 0 オリジンである。
: 1 オリジン
: one-based
番号が 1 から始まること。
例えば、
エラ......ルの表す型に
属すことは Object#is_a? メソッドで確認できる。
さらには、特定の名前のメソッド(群)が呼び出し可能であることを型と
みなす考え方もあり「ダックタイピング(duck typing)」と呼ばれる。
特定の名前... -
CMath
. # exp(z) -> Float | Complex (30.0) -
z の指数関数(Math::E の z 乗)の値を返します。
...@raise TypeError z に数値以外を指定した場合に発生します。
//emlist[例][ruby]{
require "cmath"
CMath.exp(Complex(0, 0))# => (1.0+0.0i)
CMath.exp(Complex(0, Math::PI)) # => (-1.0+1.2246063538223773e-16i)
CMath.exp(Complex(0, Math::PI / 2.0)) # => (6.123031769111886e-17+1.0i)
//}... -
Complex
. polar(r , theta = 0) -> Complex (24.0) -
絶対値が r、偏角が theta である Complex クラスのオブジェクトを生成します。
...。
@param theta 生成する複素数の偏角。単位はラジアンです。省略した場合は 0 です。
//emlist[例][ruby]{
Complex.polar(2.0) # => (2.0+0.0i)
Complex.polar(2.0, 0) # => (2.0+0.0i)
Complex.polar(2.0, Math::PI) # => (-2.0+2.4492127076447545e-16i)
//}...