Remove old images from memory. #56

Author: davidcorbin

src/ui/ClassroomViewItem.cpp

@@ -35,6 +35,10 @@ void ClassroomViewItem::setup() {
 }
 
 void ClassroomViewItem::updateImage() {
+  // Remove old image from memory
+  delete imageLabel;
+  imageLabel = new QLabel;
+
   auto relImgPath = new std::string(std::string("imgcache/") +
                                     std::to_string(student->getId()) + ".jpg");
   auto *studentImage = new StudentImage(relImgPath);