1320件ヒット
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cgi
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minitest
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minitest
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CSV
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CSV
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CSV
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検索結果
-
String
# parse _ csv(**options) -> [String] (7.0) -
CSV.parse_line(self, options) と同様です。
...[][ruby]{
require "csv"
p "Matz,Ruby\n".parse_csv # => ["Matz", "Ruby"]
p "Matz|Ruby\r\n".parse_csv(col_sep: '|', row_sep: "\r\n") # => ["Matz", "Ruby"]
//}
Ruby 2.6 (CSV 3.0.2) から、次のオプションが使えるようになりました。
//emlist[][rub... -
Vector
# covector -> Matrix (7.0) -
Matrix オブジェクトへ変換します。
...trix オブジェクトへ変換します。
列ベクトル (行列)、すなわち、(n, 1) 型の行列に変換します。
実際には Matrix.row_vector(self) を適用します。
//emlist[例][ruby]{
require 'matrix'
v = Vector[2, 3, 5]
p v # => Vector[2, 3, 5]
m = v.covector
p m # => Mat...