kennethkalmer

require 'prawn'
require 'benchmark'

pdf = Prawn::Document.new
cell = Prawn::Table::Cell.make( pdf, "Some text" )

n = 100_000

Benchmark.bm do |x|
  x.report("cached") { n.times { cell.send(:styled_width_of_single_character) } }

kennethkalmer

JRuby-Lint version 0.3.1
For more on gem compatibility see http://wiki.jruby.org/C-Extension-Alternatives
./Gemfile:8: [gems, warning] Found gem 'mysql2' which is reported to have some issues:
Use activerecord-jdbc-adapter instead along with jdbc-mysql.
./Gemfile:52: [gems, warning] Found gem 'thin' which is reported to have some issues:
Thin might compile and run but is not recommended. Try any one of the following JRuby-based servers: Trinidad, Mizuno, Kirk, TorqueBox or Puma.
./Gemfile:53: [gems, warning] Found gem 'unicorn' which is reported to have some issues:
Try any one of the following JRuby-based servers: Trinidad, Mizuno, Kirk, mobile or Puma.
./Gemfile:69: [gems, warning] Found gem 'nokogiri' which is reported to have some issues:
For best results, use the pure-Java version of Nokogiri (default after v1.5).

kennethkalmer

#
# Based heavily on the deployment recipe dicussed in the article at
# http://ariejan.net/2011/09/14/lighting-fast-zero-downtime-deployments-with-git-capistrano-nginx-and-unicorn
# but tweaked to fit our setup...
#
# NO WARRANTY, IMPLIED OR OTHERWISE
#

# Multistage setup
set :stages, %w(production staging)

kennethkalmer

# Save some data when a feature failed
After('@javascript') do |scenario|

  # Only failed, and only if we can render
  if scenario.failed? && page.driver.respond_to?(:render)

    # Get a name
    name = case scenario
           when Cucumber::Ast::OutlineTable::ExampleRow
             [ scenario.scenario_outline.name, scenario.name ].join(' ')

kennethkalmer

# 
# An improvement on http://stackoverflow.com/a/9094206/284612
#
# Place this file in spec/support/signed_cookies.rb
#
module SignedCookies
  def signed_cookie(name, opts={})
    verifier = ActiveSupport::MessageVerifier.new(request.env["action_dispatch.secret_token".freeze])
    if opts[:value]
      @request.cookies[name] = verifier.generate(opts[:value])

kennethkalmer

#!/usr/bin/env ruby
#
# Shotgun approach (read: slow and dirty hack) to help find unused helpers in a Rails application
#

puts "Loading all source files into memory :("
source = {}

Dir["app/**/**/*.*"].each do |f|
  source[ f ] = File.readlines( f )

kennethkalmer

Rubinius Crash Report #rbxcrashreport

Error: signal SIGBUS

[[Backtrace]]
0   rbx                                 0x00000001000221f1 _ZN8rubiniusL12segv_handlerEi + 241
1   libSystem.B.dylib                   0x00007fff8237f1ba _sigtramp + 26

[[System Info]]
sysname: Darwin

kennethkalmer

Rubinius Crash Report #rbxcrashreport

Error: signal SIGSEGV

[[Backtrace]]
0   rbx                                 0x00000001000221f1 _ZN8rubiniusL12segv_handlerEi + 241
1   libSystem.B.dylib                   0x00007fff809681ba _sigtramp + 26
2   ???                                 0x00007fff5fbf6b70 0x0 + 140734799768432
3   rbx                                 0x00000001002689cb rbx_yield_stack + 267
4   ???                                 0x0000000102d7fec6 0x0 + 4342677190

kennethkalmer

Ruote.process_definition :name => 'Test' do
  sequence do

     # Loop, depending on the amqp participant to set 'completed' once it has successfully processed the
     # workitem.
     _loop :break_if => "${f:completed}" do

       # This remote participant will either set a field called 'completed' to true when it is done,
       # or set 'error' with the exception.
       amqp_participant :activity => "Do something"

kennethkalmer

#!/usr/bin/env ruby
#
# Migrate from old assigns[]= to assign()

Dir["spec/**/*_spec.rb"].each do |file|
  changed = File.readlines( file ).map do |line|
    pattern = /assigns\[(:[\w\d_]+)\] = (.+)$/
    if line =~ pattern
      puts "Match: #{line}"
      puts "Assign: #{$1}"