How do I check if a username is taken with parse.com when all User ACL:Public read/write is disable?
问题 How do I check if a username is taken with parse.com Javascript SDK when ACL:Public read/write is disable in all users inside User's class? Explanation: For security reasons all my users in class/table User have a private ACL (Access control list), or in other words the ACL for public read/write is disable, it means that authenticated users can read only their own information. As you can imagine any query to Users will get empty to non logged In users so there is no way to check if a user is