Share language files from a rails plugin

If you want to share you language file from with the plugin. Then you need to add the local files in the auto load path in the engine file like following,

	module Commission
	class Engine < ::Rails::Engine
	config.i18n.load_path += Dir[config.root.join('config', 'locales', '**', '*.{rb,yml}')]
	end
	end

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Faster capistrano deploy with skipping bundler and asset precompilation

If you guys use git then you can use the following script in you deploy.rb to override the default behavior if asset pre compilation and bundle install.

	namespace :bundler do
	desc "Install bundles into application"
	task :install, :roles => [:app] do
	from = source.next_revision(current_revision)
	if capture("cd #{latest_release} && #{source.local.log(from)} Gemfile Gemfile.lock | wc -l").to_i > 0
	run "cd #{latest_release} && #{try_sudo} bundle install --without test"
	else
	logger.info "Skipping Bundle install because there were no asset changes"
	end
	end
	end
	namespace :deploy do
	namespace :assets do
	task :precompile, :roles => :web, :except => { :no_release => true } do
	from = source.next_revision(current_revision)
	if capture("cd #{latest_release} && #{source.local.log(from)} vendor/assets/ app/assets/ | wc -l").to_i > 0
	run %Q{cd #{latest_release} && #{rake} RAILS_ENV=#{rails_env} #{asset_env} assets:precompile}
	else
	logger.info "Skipping asset pre-compilation because there were no asset changes"
	end
	end
	end
	end

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Twitter bootstrap 3 typeahead SCSS

	.twitter-typeahead .tt-query,
	.twitter-typeahead .tt-hint {
	margin-bottom: 0;
	}
	.tt-dropdown-menu {
	@extend .dropdown-menu;
	}
	.tt-suggestion {
	display: block;
	padding: 3px 20px;
	}
	.tt-suggestion.tt-is-under-cursor {
	color: $dropdown-link-active-color;
	background-color: $dropdown-link-active-bg;
	}
	.tt-suggestion.tt-is-under-cursor a {
	color: #fff;
	}
	.tt-suggestion.tt-cursor {
	color: $dropdown-link-active-color;
	background-color: $dropdown-link-active-bg;
	}
	.tt-suggestion p {
	margin: 0;
	}
	.twitter-typeahead {
	width: 100%;
	input {
	border: none;
	}
	}

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Allow mongo to connect from remote IP

Access to mongo is controlled with iptables for Linux based OS.

Step 1

Make sure in your /etc/mongodb.conf file you have the following line,

bind_ip = 0.0.0.0

Step 2

Add iptables rules to control the incoming and outgoing traffic for mongo. Here is a sample command if you have the default ports for mongo.

$ sudo iptables -A INPUT -s 198.61.168.XXX,166.78.113.XX -p tcp 
--destination-port 27017 -m state --state NEW,ESTABLISHED -j ACCEPT
$ sudo iptables -A OUTPUT -d 198.61.168.XXX,166.78.113.XX -p tcp --source-port 27017 -m state --state ESTABLISHED -j ACCEPT

Here 198.61.168.XXX and 166.78.113.XX are the IP from where you want to access the mongodb.

Readable model name with translation support

Use following to have the translated attribute with fallback support,

Person.human_attribute_name("first_name") # => "First name"

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This will look in to the translation in the following order,

	en:
	attributes:
	first_name: First name
	activerecord:
	models:
	person:
	first_name: First name

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First it will look for the "en.activerecord.models.person.first_name" and then for "en.attributes.first_name" and finally falls back to humanize.