TensorFlow Cannot feed value of shape (100, 784) for Tensor 'Placeholder:0'

Question

I am learning TensorFLow. So to understand how to make something, I tried to copy some code from a source and execute it. But I\'m hitting an error message. So I tried some

Answer 1

You need to reshape X.

    X = tf.placeholder(tf.float32 , [None ,28 , 28 , 1])
    X = tf.reshape(X , [-1 , 784])