1930件ヒット
[1901-1930件を表示]
(0.060秒)
種類
- インスタンスメソッド (1891)
- 特異メソッド (39)
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-
bigdecimal
/ util (11) - csv (11)
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delete
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検索結果
-
String
# sum(bits = 16) -> Integer (9007.0) -
文字列の bits ビットのチェックサムを計算します。
...urn 0 if sum == 0
sum & ((1 << bits) - 1)
end
//}
例えば以下のコードで UNIX System V の
sum(1) コマンドと同じ値が得られます。
//emlist[例][ruby]{
sum = 0
ARGF.each_line do |line|
sum += line.sum
end
sum %= 65536
//}
@param bits チェックサムのビット数... -
String
# to _ d -> BigDecimal (9007.0) -
自身を BigDecimal に変換します。BigDecimal(self) と同じです。
...自身を BigDecimal に変換します。BigDecimal(self) と同じです。
@return BigDecimal に変換したオブジェクト... -
String
# to _ r -> Rational (9007.0) -
自身を有理数(Rational)に変換した結果を返します。
...# => (21/1)
'21/06/09'.to_r # => (7/2) # 21/6 を約分して 7/2。
//}
変換できないような文字列を指定した場合は 0/1 を返します。
//emlist[][ruby]{
'foo'.to_r # => (0/1)
''.to_r # => (0/1)
'bwv 1079'.to_r # => (0/1)
//}
@see Kernel.#Rational...