Also known as ⁇, 2 question marks
?? (two question marks), also written as , may refer to:
~1 min read
Encyclopedic overview
1 sectionsContents
- See also
?? (two question marks), also written as , may refer to: A symbol indicating a blunder in chess annotation symbols The null coalescing operator, in some programming languages
== See also == Question mark (disambiguation)
Excerpted from Wikipedia’s “??” article, available under the CC BY-SA 4.0 licence.