Webbwrite takes a string as an argument and you have a string. There is no need to unpack that string first. You use Array#pack to convert an array of e.g. numbers into a binary string … Webb27 mars 2007 · Hi, I am a ruby newbie. I want to write a program which will scan a input file, change every digital number into 4 bits len’s binary number. For example, for input.txt as …
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Webb10 apr. 2024 · To fix you need to use the BINARY flag: signed = OpenSSL::PKCS7.sign (@cert, @key, data, nil, OpenSSL::PKCS7::BINARY).to_der Now: test ("foo") # => true test ("foo\n") # => true test ("foo\r\n") # => true Sources for this info: Normally the supplied content is translated into MIME canonical format (as required by the S/MIME … WebbThere are ways in which Ruby calls these conversion methods for you implicitly. Like in string interpolation: "# {1}" This calls 1.to_s for you, even if you don’t see it. You can … clif chin
How to write data in binary to a file? - Ruby - Ruby-Forum
WebbIndexing into this hash table using either the integer or string representation of a number will yield its binary representation as a string. If you require the binary strings to be a … Webb4 maj 2024 · Here’s the problem description, from Exercism: “Convert a binary number, represented as a string (e.g. ‘101010’), to its decimal equivalent using first principles. … Webb27 okt. 2015 · 8. Assuming you have a well-formed hexadecimal string (pairs of hex digits), you can pack to binary, or unpack to hex, simply & efficiently, like this: string = … boa golf shoes men black