| module ForeignKeysCheck | |
| extend ActiveSupport::Concern | |
| def has_foreign_key_references? | |
| self.class.all_constraints.group_by {|c| c["table_name"] }.each do |table_name, constraints| | |
| check_query = "SELECT 1 from #{table_name} WHERE " | |
| check_query << constraints.map { |d| "#{d['column_name']} = #{self.id}" }.join(' OR ') | |
| result = ActiveRecord::Base.connection.execute(check_query) | |
| result.count | |
| return true if result.count > 0 |
| en: | |
| app: | |
| my_key: .. |
| # Config for Nginx to act as a front-end for Riak | |
| # The main goal is to proxy all GETs directly to Riak, and disallow anything else (POST, PUT, etc) | |
| # Also, disallow use of the map/reduce query links (i.e. /riak/bucket/key/_,_,_) | |
| # Config is in /etc/nginx/sites-available/default or somewhere like that | |
| # Set up load-balancing to send requests to all nodes in the Riak cluster | |
| # Replace these IPs/ports with the locations of your Riak nodes | |
| upstream riak_hosts { | |
| server 127.0.0.1:8098; |
| # Comment load 'deploy/assets' in Capfile | |
| # Usage | |
| # cap deploy -> deploy with asset pipeline compilation | |
| # cap deploy -s skip_asset=true -> deploy without asset pipeline compilation, just keep the old asset | |
| namespace :deploy do | |
| task :default do | |
| update | |
| # migrate # uncomment this when you need to run migrations | |
| assets.precompile |
| # app/helpers/forms_helper.rb | |
| module FormsHelper | |
| # A custom FormBuilder class for Rails forms with Twitter Bootstrap 3 | |
| class CustomFormBuilder < ActionView::Helpers::FormBuilder | |
| # ActionView::Helpers::FormHelper and ActionView::Helpers::FormBuilder | |
| # methods each have different args. This hash stores the names of the args | |
| # and the methods that have those args in order to DRY up the method aliases | |
| # defined below. |
| namespace :localeapp do | |
| desc "Usage: rake localeapp:add_models_keys['Model1 Model2 Model3']" | |
| task :add_models_keys, [:models] => :environment do |task, args| | |
| models = args[:models].split(' ') | |
| models.each do |model| | |
| model_attributes = model.constantize.attribute_names - %w(id) | |
| I18n.available_locales.each do |locale| | |
| model_attributes.each do |at| | |
| key = "activerecord.attributes.#{model.downcase}.#{at}" |
| my_string = "jackmacrack" | |
| my_string_ascii = "" | |
| my_string.each_char { |c| my_string_ascii += "#{c.ord}".rjust(3, '0') } #padding to 3 char, otherwise it's impossibile to reconvert | |
| puts my_string_ascii # => 106097099107109097099114097099107 | |
| my_original_string = "" | |
| my_string_ascii.scan(/.../).each {|c| my_original_string += c.to_i.chr } |
| Dir.glob("*.png") do |file| | |
| puts "#{File.basename(file)}" | |
| system "convert #{file} -trim -background transparent -resize 190x340 -gravity center -extent 190x340 converted/#{file}" | |
| 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 |
Homebrew non supporta l'installazione scegliendo la versione da installare.
Il mio caso è stato : Ho installato mongodb2.0 ma ho bisogno di mongodb1.8
brew create http://fastdl.mongodb.org/osx/mongodb-osx-x86_64-1.8.4.tgzQuesto crea un file ruby: /user/local/Library/Formula/mongodb-osx-x86_64.rb
Per aprire questo file (homebrew chiama formula) :