[deneas]

They do actually recommend against using Creative Commons for code and suggest using traditional code licenses instead [1].

[1] https://creativecommons.org/faq/#can-i-apply-a-creative-comm...

[murderfs]

They recommend against it for the traditional CC licenses (CC-BY-SA, etc.), but CC0 is perfectly fine for code, since it's basically a dedication to the public domain for jurisdictions that don't support that. The FAQ for CC0 says this explicitly: https://wiki.creativecommons.org/wiki/CC0_FAQ#May_I_apply_CC...