Review comments

Author: Pashchenkov Maxim

demos/gaze_estimation_demo/cpp/src/landmarks_estimator.cpp

@@ -98,7 +98,7 @@ std::vector<cv::Point2i> LandmarksEstimator::heatMapPostprocess(cv::Rect faceBou
 
 std::vector<cv::Mat> LandmarksEstimator::split(std::vector<float>& data, const std::vector<unsigned long>& shape) {
     std::vector<cv::Mat> flattenData(shape[1]);
-    float* output = &data.front();
+    float* output = data.data();
     for (size_t i = 0; i < flattenData.size(); i++) {
         flattenData[i] = cv::Mat(shape[2], shape[3], CV_32FC1, output + i * shape[2] * shape[3]);
     }

demos/gesture_recognition_demo/cpp_gapi/src/custom_kernels.cpp

@@ -116,6 +116,7 @@ struct Params {
         current_frame = params.current_frame;
         prepared_mat = params.prepared_mat;
         last_id.fetch_add(params.last_id);
+        return *this;
     }
 };
 } // namespace BatchState