org-babel-no-eval-on-ctrl-c-ctrl-c

org-babel-no-eval-on-ctrl-c-ctrl-c is a variable defined in `ob-core.el'.
Its value is

nil

Documentation:
Remove code block evaluation from the C-c C-c key binding.

You can customize this variable.

This variable was introduced, or its default value was changed, in version 24.1 of Emacs.