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| require 'sinatra' | |
| require 'sinatra-websocket' | |
| require 'tilt/erubis' | |
| set :server, 'thin' | |
| set :sockets, [] | |
| get '/' do | |
| if !request.websocket? | |
| erb :index |
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| require 'sinatra/base' | |
| class MyApp < Sinatra::Base | |
| @@my_app = {} | |
| def self.new(*) self < MyApp ? super : Rack::URLMap.new(@@my_app) end | |
| def self.map(url) @@my_app[url] = self end | |
| class FooController < MyApp | |
| map '/foo' |
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| class Profile | |
| include Mongoid::Document | |
| # .... | |
| belongs_to :user | |
| key :user_id | |
| alias :to_s :_id | |
| has_and_belongs_to_many :following, :class_name => 'Profile', :inverse_of => :followers | |
| has_and_belongs_to_many :followers, :class_name => 'Profile', :inverse_of => :following | |
| # .... |
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| rails g migration Something attachable:polymorphic | |
| or | |
| rails g scaffold Something attachable:polymorphic | |
| may can generate migration like this: | |
| def self.up | |
| create_table :somethings do |t| | |
| t.references attachable, polymorphic => true |
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| *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 |