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    ACTION = build
    AD_HOC_CODE_SIGNING_ALLOWED = NO
    ALTERNATE_GROUP = staff
    ALTERNATE_MODE = u+w,go-w,a+rX
    ALTERNATE_OWNER = grantdavis
    ALWAYS_SEARCH_USER_PATHS = NO
    ALWAYS_USE_SEPARATE_HEADERMAPS = YES
    APPLE_INTERNAL_DEVELOPER_DIR = /AppleInternal/Developer
    APPLE_INTERNAL_DIR = /AppleInternal
    APPLE_INTERNAL_DOCUMENTATION_DIR = /AppleInternal/Documentation

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Bridging Native & React for iOS & Android

js -> native

• Simple Example
• Callbacks
• Promises
• Properties

native -> js

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RN < 0.50 - watchman watch-del-all && rm -rf $TMPDIR/react-* && rm -rf node_modules/ && npm cache clean && npm install && npm start -- --reset-cache
RN >= 0.50 -  watchman watch-del-all && rm -rf $TMPDIR/react-native-packager-cache-* && rm -rf $TMPDIR/metro-bundler-cache-* && rm -rf node_modules/ && npm cache clean && npm install && npm start -- --reset-cache

npm >= 5 - watchman watch-del-all && rm -rf $TMPDIR/react-* && rm -rf node_modules/ && npm cache verify && npm install && npm start -- --reset-cache

Windows - del %appdata%\Temp\react-native-* & cd android & gradlew clean & cd .. & del node_modules/ & npm cache clean --force & npm install & npm start -- --reset-cache

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####General Categorisation is the foundation of smacss:

• Base
• Layout
• Module
• State
• Theme

Keep in mind the concept of decoupling the CSS from HTML.

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/*! Prefix flex for IE10 and Safari / iOS in LESS
* https://gist.github.com/codler/2148ba4ff096a19f08ea
* Copyright (c) 2014 Han Lin Yap http://yap.nu; MIT license */

.display(@value) when (@value = flex) {
	display: -ms-flexbox; // IE10
	display: -webkit-flex; // Safari / iOS
}

.display(@value) when (@value = inline-flex) {

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class Card

	attr_reader :suit, :value
	def initialize(suit, value) 
		@suit = suit
		@value = value
		#the value here is what the card should return-facevalue
	end

	def value

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def can_be_divided_by_three?(number)
  can_be_divided_by?(number, 3)
end
 
def can_be_divided_by_five?(number)
  can_be_divided_by?(number, 5) 
end
 
def can_be_divided_by_fifteen?(number)
  can_be_divided_by?(number, 15)

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def can_be_divided_by_seven?(number)
  can_be_divided_by?(number, 7)
end
 
def can_be_divided_by?(number, divisor)
  number % divisor == 0
end
 
def skip_multiples (number)
  return 'What would you do if you knew you could not fail?' if can_be_divided_by_seven?(number)

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emmas-MacBook-Pro:blackjack em$ irb -I.
2.1.1 :001 > require "deck"
LoadError: cannot load such file -- deck
	from /Users/em/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
	from /Users/em/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'
	from (irb):1
	from /Users/em/.rvm/rubies/ruby-2.1.1/bin/irb:11:in `<main>'
2.1.1 :002 > require "./deck"
LoadError: cannot load such file -- ./deck
	from /Users/em/.rvm/rubies/ruby-2.1.1/lib/ruby/2.1.0/rubygems/core_ext/kernel_require.rb:55:in `require'

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class ApplicationController < ActionController::Base
  # Prevent CSRF attacks by raising an exception.
  # For APIs, you may want to use :null_session instead.
  protect_from_forgery with: :exception

   before_filter :configure_permitted_parameters, if: :devise_controller?

  protected

  def configure_permitted_parameters