wnuqui

require "amqp"

EventMachine.run do
  connection = AMQP.connect
  channel    = AMQP::Channel.new(connection)

  replies_queue = channel.queue("", :exclusive => true, :auto_delete => true)
  replies_queue.subscribe do |metadata, payload|
    puts "[response] Response for #{metadata.correlation_id}: #{payload.inspect}"
  end

wnuqui

# JAVA_OPTS and Procfiles

JAVA_OPTS: -Djruby.memory.max=384m -Xmx384m -Xms256m -Xss512k -XX:+UseCompressedOops -XX:+PrintGCDetails


# puma backed app's Procfile
web: bundle exec rails server puma -p $PORT -e $RACK_ENV

# torquebox-lite backed app's Procfile
web: bin/torquebox-lite -b 0.0.0.0 -p $PORT --max-threads=8

wnuqui

def Time.using_zone_of(zone)
  Time.zone = zone
  yield
  Time.zone = 'UTC'
end

Time.using_zone_of("Hawaii") do
  puts Time.zone.now
end

wnuqui

# default zone
Time.zone # => (GMT+00:00) UTC

# then we can assign zone like use "Hawaii"
Time.zone = "Hawaii" # => "Hawaii"

# then do local using zone
local = Time.zone.local(2012, 8, 1, 15, 30, 45) # => Wed, 01 Aug 2012 15:30:45 HST -10:00

# then save this local to a column and save

wnuqui

STDOUT << URI.escape(create(model.to_sym, options).to_json)

wnuqui

class Foo
  def to_s
    "I am friendly. You can debug here thru formatted string."
  end
end

foo = Foo.new # "I am friendly. You can debug here thru formatted string."
foo # "I am friendly. You can debug here thru formatted string."

# alternatively

wnuqui

class Foo
  module Bar
    def self.test
      puts "Test!"
    end
  end
end

# Bar namespaced to Foo for the "test" util method!
# what do you think?

wnuqui

# try running a rake task like
RAILS_ENV=test ANOTHER=imaginary rake foo:bar

# and run
rake foo:bar RAILS_ENV=test ANOTHER=imaginary

# both run right?

# now do this
ruby -e "system 'rake foo:bar RAILS_ENV=test ANOTHER=imaginary'"

wnuqui

# ruby is 1.9.2p290
"Foo\n".gsub('\n', '') # => "Foo\n"
"Foo\n".gsub("\n", '') # => "Foo"
"Foo\n".gsub("\n", '') # => "Foo"
"Foo\n".gsub('\n', '') # => "Foo\n"
'Foo\n'.gsub("\n", '') # => "Foo\\n"
'Foo\n'.gsub('\n', '') # => "Foo"

# pastie here: http://pastie.org/3924412

wnuqui

# _thanks_ to where I saw this
task :prompt do
   STDOUT.puts "Prompt? "
   prompt = STDIN.gets.chomp
   STDOUT.puts "Cool! Prompt is #{prompt}."
end