https://blog.csdn.net/steadfast123/article/details/46965125 #quote from 'introduction to computation and programming #using Python, revised, MIT press' import random import pylab def stdDev(X): mean = sum(X)/len(X) tot = 0.0 for x in X: tot += (x-mea…
UDP Communication Contents UDP Communication Sending Receiving Using UDP for e.g. File Transfers Multicasting? See also SoapOverUdp, TcpCommunication Sending Here's simple code to post a note by UDP in Python: Toggle line numbers 1 import socket 2 3…
官方的demo from numpy import array from math import sqrt from pyspark import SparkContext from pyspark.mllib.clustering import KMeans, KMeansModel sc = SparkContext(appName="clusteringExample") # Load and parse the data data = sc.textFile("/ro…