Warning: session_start(): open(/var/lib/php/sessions/sess_tjqnc6p022vfsp1fun0uh8ht98, O_RDWR) failed: No space left on device (28) in /var/www/tb-usercake/models/config.php on line 51

Warning: session_start(): Failed to read session data: files (path: /var/lib/php/sessions) in /var/www/tb-usercake/models/config.php on line 51
sbool containsOnce(S a, S b) { int i = indexOf(a, b); if (i < 0) false; ret indexOf(a, b, i+l(b)) >= 0; }