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System.ArgumentException: Xamarin.Forms

I am new to this awesome platform, I made very simple example it contains only one xaml page yesterday it worked flawlesly , but when ran it today , it threw this exception out of nowhere this the exception am getting : HelloPage.xaml : <?xml version="1.0" encoding="utf-8" ?> <ContentP . . .阅读更多

TypeError: 'ShuffleSplit' object is not iterable

I am using ShuffleSplit to shuffle data, but I found there is an error TypeError Traceback (most recent call last) <ipython-input-36-192f7c286a58> in <module>() 1 # Fit the training data to the model using grid search ----> 2 reg = fit_model(X_trai . . .阅读更多

How does MPI Odd-Even sort work?

Just looking over some notes prior to an interview and am struggling to understand how Odd-Even sort works in parallel architectures. int MPI_OddEven_Sort(int n, double *a, int root, MPI_Comm comm) { int rank, size, i, sorted_result; double *local_a; // get rank and size of co . . .阅读更多