Held: Monday, 8 February 2016

Back to Outline 08 - Writing Your Own Procedures. On to Outline 10 - Documenting Programs and Procedures.

Summary

We continue our preliminary explorations of procedures using lambda expressions.

Related Pages

• Reading: Writing Your Own Procedures
• Reading: How Scheme Evaluates Expressions (v2)
• Lab: Writing Your Own Procedures
• EBoard 9 (Source 9)

Overview

• More about procedures.
• Lab, continued.
• Questions and reflection.

Administrivia

• New partners!
• Today's lab is a continuation from Friday's class.
• Our graders sent back preliminary grades on your lab writeups. Those will generally be on a 0/1 scale (not submitted or significantly incorrect gets a 0; everything else gets a 1).
• If you would like to be added to the CS Department's Mailing List for events, please send me email.
• Quiz 2 returned. We need to talk about the last problem.

Reminders

• Office hours: MTWF 10-11, Tu 1-2.
  • Sign up at http://rebelsky.youcanbook.me.
  • Also feel free to stop by when my door is open.
  • Or to email me for an appointment.
• Tutor hours
  • Sunday, 3-5 p.m.
  • Sunday-Thursday, 7-10 p.m.
• Weekly review sessions:
  • Wednesday at 8pm in the CS Commons with ?
  • Thursday at 10am in this room with SamR
  • Thursday at 8pm in the CS Commons with ?

Upcoming Work:

• Readings for Tuesday:
  • Simple Output in Scheme
  • Simple Input in Scheme
• Assignment 3 due tomorrow at 10:30 p.m.
• Lab Writeup: Exercise _
  • Send email titled CSC 151 Lab Writeup 9 (Your Names)
  • Do not include the underscores.
  • Send to CSC151-02-grader@grinnell.edu
  • Due before class on Wednesday.

Extra Credit

• Send to rebelsky@grinnell.edu with subject "CSC 151 Extra Credit".

Academic

• This week's Rosenfield Symposium on Campaign Finance
• Monday, February 8, 4:15 p.m. in Bucksbaum 152, Miriam Langer enjoins you to "Do Your Work in Public" (part of the series "Digital in Public: Intellectual and Technical Skills for Making a Difference")
• Monday, February 8, 7:30-9:00, JRC 101: The Complex Relation Between Alcohol and Sexual Assault
• Noon Tuesday in the White PDR: Bowie, Mickey, and the NFL: Copyright in the 21st century (copies of the reading outside Sam's office)

• 7:30 pm Tuesday in ARH 131 - Funding for unfunded internships

• Anything in next week's Carnival and Creativity series

Peer

• Track and Field February 13.
• Love Notes. If the $2 is a stretch, Sam will pay. Email JS the elder.

Regular Peer

• Social Dance Workshop Tuesdays 7:00-8:00 in Bucksbaum Dance Studio (starting next week)
• Pun club Saturdays at 4pm in Younker (max 2)
• Socrates Cafe' Saturdays (max 2) email [socratescafe] to be added to the mailing list to hear about the top secret meeting location
• Electronic Potpourri on KDIC Fridays at Five

No Extra Credit, But Still Good

• High School Large Group Speech Presentations Saturday at 6:30 p.m. (I think) at the high-school auditorium.

More About Procedures

• Three mechanisms for making procedures.
• Composition: Given multiple existing one-parameter procedures, string them together to make a new procedure.
• Sectioning: Given an existing multi-parameter procedure, make a new procedure that fills in some parameters with constant values.
• General/Lambda: Parameterize a chunk of code by writing (lambda (inputs) ...).
• For composition and sectioning, we don't name the parameters.
• For lambda, we name the parameters, but Scheme doesn't really care what we name them.

Lab!

• Work on the procedures lab.
• We'll probably try to reflect a little bit at the end.