jimweirich

def foo(a=:default, b)
  puts "a=#{a}, b=#{b}"
end

foo(:value)
foo(:x, :y)

JeffCohen

require "test/unit"

#######################################################
#
# Your code starts on line 20.
#
# To run the tests from your command line:
#
# > rake
#

srobbin

<h2>Antispam</h2>
<p>Email me at <span class="antispam">scott at-symbol robbin dot co</span></p>

jakeonrails

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mikeebert

# Spec Step 1
describe CoinChanger do
  it "should return a penny" do
    CoinChanger.make_change(1).should == %w(p)
  end
end

# Class Step 1 - after failed uninitialized constant, failed no method errors, failed wrong number of arguments and
# failed 'got nil expected ["p"]'
class CoinChanger

jamis

# Recursive backtracking algorithm for maze generation. Requires that
# the entire maze be stored in memory, but is quite fast, easy to
# learn and implement, and (with a few tweaks) gives fairly good mazes.
# Can also be customized in a variety of ways.

DIRS     = (N, S, E, W = 1, 2, 4, 8)
DX       = { E => 1, W => -1, N =>  0, S => 0 }
DY       = { E => 0, W =>  0, N => -1, S => 1 }
OPPOSITE = { E => W, W =>  E, N =>  S, S => N }