kukula

def quicksort(list)
  case list
    in []
      []
    in [first, *rest]
      smaller, larger = rest.partition { |x| x < first }
      quicksort(smaller) + [first] + quicksort(larger)
  end
end
puts quicksort [7, 3, 2, 4, 5, 9, 1, 6]

kukula

Pry Cheat Sheet

• Youtube Tutorial 2013

Command Line

• pry -r ./config/app_init_file.rb - load your app into a pry session (look at the file loaded by config.ru)
• pry -r ./config/environment.rb - load your rails into a pry session

Debugger

kukula

Sinatra - Ruby

require 'sinatra'

get '/' do
  'Hello world!'
end

kukula

bigdecimal (1.2.6)
io-console (0.4.3)
json (1.8.1)
minitest (5.4.3)
power_assert (0.2.2)
psych (2.0.8)
rake (10.4.2)
rdoc (4.2.0)
test-unit (3.0.8)

kukula

initdb /usr/local/var/postgres -E utf8
createdb `whoami`
psql

kukula

Locate the section for your github remote in the .git/config file. It looks like this:

[remote "origin"]
	url = git@github.com:joyent/node.git
	fetch = +refs/heads/*:refs/remotes/origin/*

Now add the line fetch = +refs/pull/*/head:refs/remotes/origin/pr/* to this section. Obviously, change the github url to match your project's URL. It ends up looking like this:

kukula

ctags -R --languages=ruby --exclude=.git --exclude=log . $(bundle list --paths)

kukula

npm config set prefix ~/npm

export PATH="$PATH:$HOME/npm/bin"

kukula

--drb --color --format documentation

kukula

.blah span:after {
  content: " | ";
}
.blah span:last-child:after {
  content: none;
}