php class category { function getmaincatlist() { $q = "select * from category"; $db = new dboperation1(); $db->getconnection(); $rs = $db->selectquery($q); return $rs; } function returnmaincat($cid) { $q = "select * from category where cid='$cid'"; $db = new dboperation1(); $db->getconnection(); $rs = $db->selectquery($q); return $rs; } // Fixed: Safely closed the function } // Fixed: Safely closed the category class
Hot wire air velocity meters, sometimes called thermal anemometers, measure the speed of air passing over their sensing elements by measuring the heat loss due to the airflow. This sensing method is much more sensitive than a rotating vane design and is less sensitive to alignment with the airflow.