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Exercises in Programming Style
book

Exercises in Programming Style

by Cristina Videira Lopes
November 2015
Intermediate to advanced content levelIntermediate to advanced
304 pages
5h 23m
English
Chapman and Hall/CRC
Content preview from Exercises in Programming Style

Chapter 29

Dataspaces

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29.1 Constraints

  • Existence of one or more units that execute concurrently.
  • Existence of one or more data spaces where concurrent units store and retrieve data.
  • No direct data exchanges between the concurrent units, other than via the data spaces.

29.2 A Program in this Style

  1 #!/usr/bin/env python
  2 import re, sys, operator, Queue, threading
  3
  4 # Two data spaces
  5 word_space = Queue.Queue()
  6 freq_space = Queue.Queue()
  7
  8 stopwords = set(open('../stop_words.txt').read().split(','))
  9
 10 # Worker function that consumes words from the word space
 11 # and sends partial results to the frequency space
 12 def process_words(): ...
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Publisher Resources

ISBN: 9781482227376