Problem solving with C++ 2026-02-15T16:32:04+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Savitch, Walter J., 1943-; Mock, Kenrick (Pearson Addison Wesley, 2012)