krbullock

(defun jeg2s-yank-and-select ()
  "This is a test command for how to create a selection."
  (interactive)
  (let (deactivate-mark)
   (kill-new "selected")
   (yank)
   (exchange-point-and-mark)))
(global-set-key (kbd "C-c y") 'jeg2s-yank-and-select)

; See http://www.gnu.org/software/emacs/manual/html_node/elisp/The-Mark.html#index-deactivate_002dmark-2507

krbullock

#Newbie programmer
def factorial(x)
  if x == 0
    return 1
  else
    return x * factorial(x - 1)
  end
end
puts factorial(6)

krbullock

class FooBarTransactionFailed < ActiveRecord::RecordInvalid
  def initialize(foo, bar)
    @foo, @bar = foo, bar
  end
end

begin
  transaction do
    foo = FooClass.create(:blah => 'blah')
    bar = BarClass.create(:bleh => 'bleh')