In-class notes for 03/21/2014

CS 121B (CS1), Spring 2014

• Homework assignment

• Next quiz Wednesday 4/2, on recursion and tracing.

Submitted questions on assignments and technology

Upcoming

• Homework 18

Read second section of http://selkie.macalester.edu/csinparallel/modules/IntroWMR/build/html/index.html:

• Using WebMapReduce (WMR)

Note: Instead of Macalester resources, we will use www.cs.stolaf.edu/wmr

Submit at least one reading question by 9am before the next class meeting

Exercise

• File access (within this function)

  How to catch and take action on a file opening error

• Dictionaries

Submitted questions on readings

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