Hafiz Hilman Mohammad Sofian questions

• What does it means to not exceeding 80 characters in a line in Python?
• Python and OpenCV - Cannot write readable avi video files
• What does the -fPIC compilation flag does?
• What does the getOptimalNewCameraMatrix do in OpenCV?
• Ubuntu 16.04 - Why I cannot install libtiff4-dev?
• What is the significance of forward declaration in C programming?
• Why is the returned value of cv2.HoughLines of OpenCV for Python need to be accessed with index?
• Python and OpenCV - Improving my lane detection algorithm
• C++ - Uniform initializer with std::string

Hafiz Hilman Mohammad Sofian answers