Held: ,

Back to Outline 01 - An Introduction to the Course. On to Outline 03 - Deploying Rails Applications.

Summary

We discuss what we have seen so far about the Ruby language.

Related Pages

Overview

• Ruby
• Some Ruby Problems

Administrivia

Notes

• Cloud 9 now requires a credit card. Let me know if that causes difficulty.
• How long did the Ruby thing take?

Homework

• More Ruby (forthcoming)
• Reading journal (forthcoming)

Good Things To Do

• Alcohol town halls tomorrow (11 am and 7pm)
• CS table tomorrow
• CS extras Thursday
• Convo a week from Thursday

A Quick Overview of Ruby

• Modern programming language.
• "One" designer.
• Imperative, functional, and OOP characteristics.
• Good at "Get the job done quickly."

Ruby

What's something familiar?

What's something new and exciting you've discovered about Ruby?

How does Ruby handle a programmer's need for multiple inheritance?

What is something particularly confusing or puzzling in the reading?

Some Ruby Problems

Write sums_to_n?(vals,val) that returns true if any pair of values from vals sums to val.

Write multiple_of_4?(bitstring) that takes a string of 0's and 1's (representing an unsigned integer) as input and returns true if the string represents an integer divisible by four.

Write starts_with_consonant?(str) that determines if a string starts with a consonant.