How do you write a binary literal in ruby?

Question

Most languages (Ruby included) allow number literals to be written in at least three bases: decimal, octal and hexadecimal. Numbers in decimal base is the usual thing and are wr

Answer 1

For literals, the prefix is 0b. So

0b100 #=> 4

Be aware that the same exists to format strings:

"%b" % 4 #=> "100"