I am trying to observe for the Darwin notification () in swift. So far I have:     let cfstr: CFString = “com.apple.springboard.hasBlankedScreen” as NSString   let notificationCenter = CFNotificationCenterGetDarwinNotifyCenter()   let function = CFNotificationCallback(backgroundBrightnessFunction)     CFNotificationCenterAddObserver(notificationCenter,   nil,   function,   cfstr,  …

Things I’d like to do I want to classify the user’s finger trajectory by using CoreML.   Things I’ve tried I recorded the coordinates of the user’s finger trajectory 426 times. Based on that data, I created a classification model with Python (Random Forest), CoreML.…

im trying to create a simple calculator where i want one button to give out 4 different answers in the 4 different label fields.   i have setup the fields and button but im unsure how to calculate to show in each box.    …