Frost

class MethodMissing(object):
    def method_missing(self, attr, *args, **kwargs):
        """Stub: override this function"""
        raise AttributeError("Missing method %s called." % attr)


    def __getattr__(self, attr):
        def callable(*args, **kwargs):
            return self.method_missing(attr, *args, **kwargs)
        return callable

Frost

# With this method, once(:method) has to be called after the method has been added
module Once
  def once(method)
    method = method.to_s
    class_eval <<-EVAL_END
      alias_method :#{method}_once, :#{method}
      def #{method}(*args)
        result = send('#{method}_once', *args)
        self.class.send(:remove_method, '#{method}_once')
        self.class.send(:remove_method, '#{method}')

Frost

# So, let's create a Hash with an empty Array as the default value...
0|frost tiamat >> irb
irb(main):001:0> h = Hash.new []
=> {}
irb(main):002:0> h[42] << "foo"
=> ["foo"]
irb(main):003:0> h
=> {}
irb(main):004:0> h[42] += ["bar"]
=> ["foo", "bar"]

Frost

number_of_rolls = 100 
stats = Hash.new {0} 
rolls = []

outcome_translation = { 
  2 => "two",
  3 => "three",
  4 => "four",
  5 => "five",
  6 => "six",

Frost

#!/usr/bin/ruby
#-*-ruby-*-
# A script to run ctags on all .rb files in a project. Can be run on
# the current dir, called from a git callback, or install itself as a
# git post-merge and post-commit callback.

# CTAGS = '/opt/local/bin/ctags' # macports
CTAGS = '/usr/local/bin/ctags' # homebrew
HOOKS = %w{ post-merge post-commit post-checkout }
HOOKS_DIR = '.git/hooks'

Frost

" prompt user for a line to jump to. 
" accepts N, +N or -N as input.
" -N will be equivalent of just typing N-
" +N equals typing N+ or running :N
function! JumpToRelativeLine()
  let linenumber = line('.')
  call inputsave()
  let line = input('go to line: ')
  call inputrestore()
  call setpos('.', [0,eval(linenumber + line),0,0])

Frost

server 'staging.domain.tld', :app, :web, :db, :primary => true

set :branch do
  default_tag = "master"
  tag = Capistrano::CLI.ui.ask "What tag/branch do you want to deploy? [#{default_tag}] "
  tag = default_tag if tag.empty?
  tag
end

set :rails_env,       'staging'

Frost

$ bash ./test.sh
bar

Frost

class Anagrams
  def self.process(word_list)
    word_list.group_by {|word| word.strip.downcase.chars.sort.join }.
      values.map {|v| v.map(&:strip).join(" ")}
  end 
end

Frost

#!/usr/bin/env ruby

letters = "A".."Z"
numbers = 0..9

bigrams = letters.map do |letter|
  numbers.map do |number|
    letter + number.to_s
  end
end