convert a hexadecimal number : Convert to Integer « Number « Ruby

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Ruby » Number » Convert to Integer   convert a hexadecimal number puts Integer(0x20)    Related examples in the same category 1.  convert a floating-point number 2.  convert a string 3.  convert a binary number from a string 4.  convert an octal number 5.  convert a character code 6.  Converting Between Classes 7.  ArgumentError: invalid value for Integer: "1001 nights" 8.  Converting Between Characters and Values 9.  Parsing A Number From A String 10.  to_i gives the integer version of an object, and to_f gives the float version 11.  Convert string to integer by parameter 12.  Convert string to number with non number string 13.  Number parser by regular expressons

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