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"

Answer 2

and you can do:

>> easy_to_read_binary = 0b1110_0000_0000_0000
=> 57344
>> easy_to_read_binary.to_s(10)
=> "57344"

Answer 3

From this manual

0b01011

binary integer

Answer 4

use 0b prefix

>> 0b100
=> 4