A small project to scroll messages from a MariaDB/MySQL database on a server to the LED Matrix on the Arduino UNO R4 Wifi, like the one I have and as shown below in the picture. The code should be ...

-[NSOpenGLContext setView:] must be called from the main thread. My setup is a 16" 2019 MBP, with 2 external 4k monitors attached over HDMI. This reliably happens when I drag the window from the built ...