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Programming the hunches and guesses way on the HN frontpage makes me sad.
http://ruby-doc.org/core/classes/String.html#M000807
str + other_str => new_str
Concatenation Returns a new String containing other_str concatenated to str.
str << fixnum => str str.concat(fixnum) => str str << obj => str str.concat(obj) => str
Append Concatenates the given object to str. If the object is a Fixnum between 0 and 255, it is converted to a character before concatenation.
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Programming the hunches and guesses way on the HN frontpage makes me sad.
http://ruby-doc.org/core/classes/String.html#M000807
str + other_str => new_str
Concatenation Returns a new String containing other_str concatenated to str.
str << fixnum => str str.concat(fixnum) => str str << obj => str str.concat(obj) => str
Append Concatenates the given object to str. If the object is a Fixnum between 0 and 255, it is converted to a character before concatenation.