| class String | |
| def to_bool | |
| return true if self == true || self =~ (/(true|t|yes|y|1)$/i) | |
| return false if self == false || self.blank? || self =~ (/(false|f|no|n|0)$/i) | |
| raise ArgumentError.new("invalid value for Boolean: \"#{self}\"") | |
| end | |
| end |
| module Kernel | |
| def with(obj, &block) | |
| obj.instance_eval &block | |
| obj | |
| end | |
| end |
These examples are type 3 RESTful API requests and responses. The JSON-HAL specification is used to implement HATEOAS.
Some of the examples are based on my work as architect of the RESTful API at http://www.hautelook.com. All proprietary information has been removed.
| # From a fresh install of squeeze | |
| apt-get install ruby rubygems # Need ruby to use fpm | |
| gem1.8 install fpm --no-ri --no-rdoc | |
| apt-get install build-essential openssl libreadline6 libreadline6-dev zlib1g zlib1g-dev libssl-dev ncurses-dev libyaml-dev | |
| wget ftp://ftp.ruby-lang.org/pub/ruby/1.9/ruby-1.9.3-p125.tar.gz | |
| tar -zxvf ruby-1.9.3-p125.tar.gz | |
| cd ruby-1.9.3-p125 | |
| rm -rf /tmp/ruby193 |
| #!/bin/bash | |
| # | |
| # Super simple script to create a favicon.ico from specified png. | |
| # Requires imagemagick ( http://www.imagemagick.org ) | |
| # | |
| # Usage: | |
| # ./favicon-from-png.sh myimage.png | |
| # ls | |
| # myimage.png favicon.ico | |
| # |
| #!/usr/bin/env ruby | |
| require 'rubygems' | |
| require 'rvm' | |
| require 'trollop' | |
| opts = Trollop::options do | |
| opt :ruby, "ruby interp to use", :type => :string, :required => true | |
| opt :gem_name, "gem", :type => :string, :required => true | |
| opt :gem_version, "gem", :type => :string, :required => true | |
| end |
| h = { | |
| hoge: <<EOS, | |
| Hey! | |
| EOS | |
| fuga: <<EOS | |
| Yo! | |
| EOS | |
| } | |
| p h |
| my_array = %w[test one two three] | |
| # Inject takes the value of the block and passes it along | |
| # This often causes un-intended errors | |
| my_array.inject({}) do |transformed, word| | |
| puts transformed | |
| transformed[word] = word.capitalize | |
| end | |
| # Output: | |
| # {} |
| # app/controller/articles_controller.rb | |
| around_filter { |controller, action| controller.send(:add_published_scope, Article){ action.call } } | |
| # app/controller/application_controller.rb | |
| def add_published_scope(klass = nil, &block) | |
| unless klass | |
| klass = controller_name.classify.constantize | |
| end | |
| klass.with_scope(:find => klass.where("published_at <= ?", Time.zone.now)) do | |
| yield |