Crisfole

class DemoController < ApplicationController
  around_action :rollbar_scope_setup
 
  private
 
  def rollbar_scope_setup
    Rollbar.scoped(setup_your_custom_stuff_here) { yield }
  end
end

Crisfole

class MyClass
  attr_reader :a:, :b

  def initialize(a, b)
    @a, @b = a,b
  end

  def process
  rescue => e
    rollbar.error(e)

chriskiehl

#Giant dictonary to hold key name and VK value
VK_CODE = {'backspace':0x08,
           'tab':0x09,
           'clear':0x0C,
           'enter':0x0D,
           'shift':0x10,
           'ctrl':0x11,
           'alt':0x12,
           'pause':0x13,
           'caps_lock':0x14,