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3"*-4¬36#:

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3"*-4¬36#: '0$0/0%0.°/*0%0130#-&."

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"If a problem is very commom, we end up with a proliferation of choices." :FIVEB,BU[

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“...but we should have to make fewer decisions.” :FIVEB,BU[

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6. 1*1&-*/& 1"3"03&4("5&

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a linear sequence of specialized modules which performs a task, like an assembly line in a factory. pipe.line noun

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3"*-4

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"We're elevating this stuff up to the same importance as Ruby code itself." %BWJE))BOTTPO3BDF$BS%SJWFS

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$63"5&%'3".&803,

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rails new rs-on-rails

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(FNpMF group :assets do gem 'sass-rails', '~> 3.2.3' # gem 'therubyracer', :platforms => :ruby gem 'coffee-rails', '~> 3.2.1' gem 'uglifier', '>= 1.0.3' end

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0"44&51*1&-*/&*.1¸& 6."/07"&45365363" 13"03("/*;"ª§0%& "44&54

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"44&5#6/%-&4

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Rs on Rails <%= stylesheet_link_tag "application", media: "all" %> <%= javascript_include_tag "application" %> <%= csrf_meta_tags %> BQQWJFXTMBZPVUTBQQMJDBUJPOIUNMFSC

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BQQMJDBUJPODTT SFTFUDTT MBZPVUDTT OBWJHBUJPODTT TJEFCBSDTT UZQPHSBQIZDTT GPSNTDTT UIFNFDTT

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/* *= require_self *= require reset *= require layout *= require sidebar *= require navigation *= require typography *= require forms *= require colors */ BQQWJFXTMBZPVUTBQQMJDBUJPODTT

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/* *= require_self *= require reset *= require layout *= require sidebar *= require navigation *= require typography *= require forms *= require colors */ BQQWJFXTMBZPVUTBQQMJDBUJPODTT no jargão, o “manifesto”

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DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.debug = false end

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DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.compress = true end

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DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.digest = true end

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http://localhost:3000/assets/application.css http://localhost:3000/assets/application.js

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http://localhost:3000/assets/application.css http://localhost:3000/assets/application.js

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DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.compress = false config.assets.debug = true end

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DPOpHFOWJSPONFOUTEFWFMPQNFOUSC RsOnRails::Application.configure do config.assets.compress = false config.assets.debug = true end RsOnRails::Application.configure do config.assets.compress = true config.assets.compile = false config.assets.digest = true end DPOpHFOWJSPONFOUTQSPEVDUJPOSC

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04"44&54"/5&4%&&/53"3&.130%6ª§0 064&+" 13&$*4".04 13¬$0.1*-"3

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$ rake assets:precompile

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$ rake assets:precompile

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$ rake assets:precompile

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/assets/application-9d75ac5c90e71cbe60d8e612a438af43.css /assets/application-9d75ac5c90e71cbe60d8e612a438af43.css.gz

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--- Aller_Rg.ttf: Aller_Rg-89086a78088e0ccdf7d5f3a2413b890c.ttf rails.png: rails-be8732dac73d845ac5b142c8fb5f9fb0.png application.js: application-d47f12ee8bceef5910c0e6d180ecf97c.js application.css: application-cf5421f21a42b9b487d6131006c60539.css QVCMJDBTTFUTNBOJGFTUZNM

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4130$,&54

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require "sprockets"

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require "sprockets" env = Sprockets::Environment.new

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require "sprockets" env = Sprockets::Environment.new env.append_path "assets/javascripts"

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require "sprockets" env = Sprockets::Environment.new env.append_path "assets/javascripts" application_js = env["application.js"]

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require "sprockets" env = Sprockets::Environment.new env.append_path "assets/javascripts" application_js = env["application.js"] logical path

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puts application_js.inspect

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puts application_js.inspect # #

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puts application_js

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puts application_js # contents of `application.js` with its concatenated dependencies

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require 'sprockets' map '/assets' do environment = Sprockets::Environment.new environment.append_path 'app/assets/javascripts' environment.append_path 'app/assets/stylesheets' run environment end map '/' do run YourRackApp end

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guard 'sprockets', destination: "build/javascripts", asset_paths: ['/src/javascripts'] do watch (%r{src/javascripts/application.js}) end (VBSEpMF

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70-5"/%0"0 (&.'*-&%" %*4$¶3%*"

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(FNpMF group :assets do gem 'sass-rails', '~> 3.2.3' # gem 'therubyracer', :platforms => :ruby gem 'coffee-rails', '~> 3.2.1' gem 'uglifier', '>= 1.0.3' end

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gem 'therubyracer', :platforms => :ruby

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&9&$+4

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require "execjs"

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require "execjs" ExecJS.eval "'red yellow blue'.split(' ')"

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require "execjs" ExecJS.eval "'red yellow blue'.split(' ')" # => ["red", "yellow", "blue"]

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36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET /PEFKT UIFSVCZSBDFS "QQMF +BWB4DSJQU$PSF .JDSPTPGU8JOEPXT 4DSJQU)PTU +4DSJQU &YFD+4

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36/5*.& $PGGF4DSJQU 6HMJGZGSJFOET /PEFKT UIFSVCZSBDFS UIFSVCZSIJOP "QQMF +BWB4DSJQU$PSF .JDSPTPGU8JOEPXT 4DSJQU)PTU +4DSJQU &YFD+4

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gem 'therubyracer', :platforms => :ruby

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gem 'therubyrhino', :platforms => :jruby

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%*$"4 53626&4& 0653"4 '&*5*ª"3*"4

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$base-font-color: #555555; BQQBTTFUTTUZMFTIFFUTDPNNPODTTTDTT

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/* *= require common */ body { color: $base-font-color; } BQQBTTFUTTUZMFTIFFUTBQQMJDBUJPODTTTDTT $base-font-color: #555555; BQQBTTFUTTUZMFTIFFUTDPNNPODTTTDTT

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/* */ @import "common.css.scss"; body { color: $base-font-color; } BQQBTTFUTTUZMFTIFFUTBQQMJDBUJPODTTTDTT

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$3*"/%0/04404 13¶13*0413¬ 130$&44"%03&4

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class TimestampProcessor < Sprockets::Processor end MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC

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class TimestampProcessor < Sprockets::Processor def evaluate(context, locals) end end MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC

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class TimestampProcessor < Sprockets::Processor def evaluate(context, locals) data end end MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC

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class TimestampProcessor < Sprockets::Processor def evaluate(context, locals) current_timestamp = DateTime.now.to_s(:timestamp) ["/* #{current_timestamp} */", data].join("\n") end end MJCQSPDFTTPSTUJNFTUBNQ@QSPDFTTPSSC

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require "processors/timestamp_processor" Rails.application.assets. register_postprocessor("text/css", TimestampProcessor) DPOpHJOJUJBMJ[FSTTQSPDLFUTSC

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require "processors/timestamp_processor" Rails.application.assets. register_postprocessor("text/css", TimestampProcessor) Rails.application.assets. register_postprocessor("application/javascript", TimestampProcessor) DPOpHJOJUJBMJ[FSTTQSPDLFUTSC

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(&.*'*$"/%0"44&54 3&64¥7&*4

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(&.*'*$"/%0"44&54 3&64¥7&*4 ","$0.04&34)08

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var Showdest = { description: "Are you showdest, my friend?" } alert(Showdest.description); //= require_self //= require showdest BQQBTTFUTKBWBTDSJQUTTIPXEFTUKT BQQBTTFUTKBWBTDSJQUTBQQMJDBUJPOKT

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$ bundle gem showdest

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$ bundle gem showdest $ cd showdest

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$ bundle gem showdest $ cd showdest $ mkdir -p vendor/assets/javascript

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$ bundle gem showdest $ cd showdest $ mkdir -p vendor/assets/javascript $ mv ~/code/rs-on-rails/app/assets/javascripts/showdest.js \ vendor/assets/javascript

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group :assets do gem 'showdest', path: '/Users/rondy/code/showdest' end (FNpMF

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$ bundle && rails s

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$ bundle && rails s

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module Showdest class Engine < Rails::Engine end end TIPXEFTUMJCTIPXEFTUFOHJOFSC

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module Showdest class Engine < Rails::Engine end end TIPXEFTUMJCTIPXEFTUFOHJOFSC Gem::Specification.new do |gem| gem.add_dependency "railties", ">= 3.1", "< 5.0" end TIPXEFTUTIPXEFTUHFNTQFD

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require "showdest/version" require "showdest/engine" module Showdest end TIPXEFTUMJCTIPXEFTUSC

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$ bundle && rails s

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$ bundle && rails s

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"-5&3/"5*7"4

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rails new rs-on-rails \ --skip-sprockets

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