markoa’s gists

markoa / gist:1596632

Created January 11, 2012 20:37

what to paste in application controller when cucumber doesn't tell you what failed in the view

	class ApplicationController < ActionController::Base
	rescue_from 'Exception' do \|exception\|
	logger.info exception
	logger.info exception.backtrace.join("\n")
	render :head => 500
	end
	end

markoa / rake-spec-aborted.txt

Created November 24, 2011 20:31

random rake spec disaster

	rake aborted!
	ruby /home/marko/.rvm/rubies/ruby-1.9.2-p180/bin/ruby -S rspec ./spec/helpers/sessions_helper_spec.rb ./spec/helpers/users_helper_spec.rb
	<<other spec files>> failed
	/home/marko/devel/foo/vendor/bundle/ruby/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/rake_task.rb:149:in `block (2 levels) in initialize'
	/home/marko/devel/foo/vendor/bundle/ruby/1.9.1/gems/rake-0.8.7/lib/rake.rb:1112:in `verbose'
	/home/marko/devel/foo/vendor/bundle/ruby/1.9.1/gems/rspec-core-2.7.1/lib/rspec/core/rake_task.rb:139:in `block in initialize'
	/home/marko/devel/foo/vendor/bundle/ruby/1.9.1/gems/rake-0.8.7/lib/rake.rb:636:in `call'
	/home/marko/devel/foo/vendor/bundle/ruby/1.9.1/gems/rake-0.8.7/lib/rake.rb:636:in `block in execute'
	/home/marko/devel/foo/vendor/bundle/ruby/1.9.1/gems/rake-0.8.7/lib/rake.rb:631:in `each'
	/home/marko/devel/foo/vendor/bundle/ruby/1.9.1/gems/rake-0.8.7/lib/rake.rb:631:in `execute'

markoa / deploy.rb

Created October 10, 2011 13:31

Ingredients to monitor Resque with God automatically via Capistrano (on Ubuntu)

	namespace :deploy do
	desc "Hot-reload God configuration for the Resque worker"
	task :reload_god_config do
	sudo "god stop resque"
	sudo "god load #{File.join(deploy_to, 'current', 'config', 'resque-' + rails_env + '.god')}"
	sudo "god start resque"
	end
	end

	# append to the bottom:

markoa / application_helper.rb

Created September 30, 2011 08:51

Evolving use of CoffeeScript in Rails - supplement to http://renderedtext.com/blog/2011/09/30/a-convention-for-using-coffeescript-with-rails/

	module ApplicationHelper

	# In your layout: <body <%= render_page_data %>>
	#
	def render_page_data
	@page_data_attributes.html_safe if @page_data_attributes.present?
	end

	# Appends a hash of data attributes to the body element. For example:
	#

markoa / ruby19-hash.rb

Created September 16, 2011 09:55

ruby 1.9 hash syntax

markoa / linkedin_factory.rb

Created August 17, 2011 14:50

Sample wrapper around linkedin gem to support varying user credentials.

	# See https://gist.github.com/1151655 for a tip how to save access token and secret in an omniauth callback.

	class LinkedinFactory

	API_KEY = "123"
	SECRET_KEY = "456"

	def self.authorize_user(user)
	token = user.linkedin_connection.token
	secret = user.linkedin_connection.secret

markoa / omniauth_callbacks_controller.rb

Created August 17, 2011 14:45

Saving LinkedIn OAuth data in a callback action (Rails controller, Devise, Omniauth).

	# in your routes.rb:
	# devise_for :users, :controllers => { :omniauth_callbacks => "users/omniauth_callbacks" }
	#
	# and view:
	# link_to("Connect to LinkedIn", user_omniauth_authorize_path(:linked_in))

	class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController

	def linkedin
	omniauth_hash = env["omniauth.auth"]

markoa / iptables.up.rules

Created May 13, 2011 10:28

Slicehost recommended iptables setup

	*filter


	# Allows all loopback (lo0) traffic and drop all traffic to 127/8 that doesn't use lo0
	-A INPUT -i lo -j ACCEPT
	-A INPUT ! -i lo -d 127.0.0.0/8 -j REJECT


	# Accepts all established inbound connections
	-A INPUT -m state --state ESTABLISHED,RELATED -j ACCEPT

markoa / capistrano-with-bundler-deploy.rb

Created March 15, 2011 11:18

The snippet for config/deploy.rb to use Bundler.

	# use this in a after "deploy:update_code" block

	namespace :bundler do
	task :create_symlink, :roles => :app do
	shared_dir = File.join(shared_path, 'bundle')
	release_dir = File.join(current_release, '.bundle')
	run("mkdir -p #{shared_dir} && ln -s #{shared_dir} #{release_dir}")
	end

	task :bundle_new_release, :roles => :app do

markoa / wishful-transform.rb

Created February 24, 2011 15:45

Re: http://ideone.com/rRMLr

	# Sad shvatam šta si mislio sa lokalnom promenljivom,
	# ja sam doduše u vidu imao samo objekat. Konceptualno,
	# moja ideja bi mogla da si implementira kao:

	class Transformable
	def transform(sym)
	self = self.send(sym) # => SyntaxError: compile error - Can't change the value of self
	end
	end

Marko Anastasov markoa