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Prototyping in the browser

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II / Structure

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— Recap

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Homebrew

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Download Install Configure Update Remove brew install brew uninstall brew upgrade brew list

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Git * * More on Git/Github in a bit

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## MAC OS .DS_Store ## TEXTMATE *.tmproj tmtags [...] ## PROJECT::GENERAL .sass-cache coverage rdoc pkg ## PROJECT::SPECIFIC *.gem .rvmrc .bundle

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RVM

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Install Remove Sandbox rvm install rvm uninstall rvm use rvm gemset

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rvm_gemset_create_on_use_flag=1 rvm use ruby-1.9.3-p125@foobar

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Ruby

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module ViewHelpers # Calculate the years # for a copyright def copyright_years(start_year) end_year = Date.today.year if start_year == end_year "\#{start_year}" else "\#{start_year} ↵ –\#{end_year}" end end # Add your own helpers below... end

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Rubygems

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source :rubygems gem 'serve' gem 'haml' gem 'sass'

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Serve

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http://localhost:4000/ http://localhost:4000/hello

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http://localhost:4000/stylesheets/screen.css http://localhost:4000/ http://localhost:4000/images

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Create Run Export serve serve create serve export

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Layouts

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!!! 5 %html %head %title= @title %link(rel="stylesheet" ↵ href="/ stylesheets/screen.css") %body = yield

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Layout Content yield:

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Logic: Which layout?

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GIT & GITHUB ”Crash Tour“

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Version control

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1 Revision 2 3 4 5 6 7 8 9 Revert

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Branches

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1 Merge 2 7 9 10 4 5 6 8 Branch

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Collaboration

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Remote Local Local User B User A

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Workflow

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git init git add . git status git commit -m “Commit message”

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git add path/file.rb git rm path/file.rb git mv path/file.rb

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git remote add origin [email protected]:polarblau/foo.git git clone [email protected]:polarblau/foo.git git fetch origin git merge origin git pull [...] git push

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git checkout -b my-branch git checkout master

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No content

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Github

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HAML

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%tag(attribute="value") Content Content

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Nesting

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!!! 5 %html %head %title Hello HTML %body %p Hello World!

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%body %div %h1 Hello World! %div %h1 Hello World!

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Attributes

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#foo(title="Hello!") Hello World

Hello World

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Classes & IDs

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#foo Hello World

Hello World

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.foo Hello World

Hello World

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.foo.bar Hello World

Hello World

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#foo.foo.bar Hello World

Hello World

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#foo(id="bar") Hello World

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#foo(id="bar") Hello World

Hello World

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Boolean attributes

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%input(selected=true)

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Comments

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/ A comment .foo Hello World

Hello World

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/ .foo Hello World

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-# A comment .foo Hello World

Hello World

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Inline Ruby

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- headline = "Hello World" %h1= headline

Hello World

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- id = 2 + 5 %h1(id="headline-#{id}") Headline

Hello World

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%ul - ["Huey", "Dewey", "Louie"].each do |name| %li= name

Huey
Dewey
Louie

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Escaping HTML

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%h1 &= "Adam & Eve"

Adam & Eve

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Partials (via Serve)

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%footer = render "shared/footer" Layout Footer Page

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Errors

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SASS

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SASS

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h1, h2 font-size: 24px color: red

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Nesting

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Selectors

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article font-size: 1em h1 font-size: 1.5em span color: red font-weight: bold

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article { font-size: 1em; } article h1 { font-size: 1.5em; } article h1 span { color: red; font-weight: bold; }

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Properties

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article .foo border: left: width: 4px color: red

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article .foo { border-left-width: 4px; border-left-color: red; }

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Reference parent

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article section &.foo color: red &.bar color: blue

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article section.foo { color: red; } article section.bar { color: blue; }

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article section body.js & color: red body.no-js & color: blue

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body.js article section { color: red; } body.no-js article section { color: blue; }

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Variables

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$headline-highlight: #f00 h1 span color: $headline-highlight

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h1 span { color: red; }

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Operations

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$width: 100px div width: $width / 2

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div { width: 50px; }

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$width: 100px div width: $width / 2 - 20px

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div { width: 30px; }

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Functions

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$headline-highlight: #f00 h1 color: lighten($headline-highlight, 50%)

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h1 { color: #ff3333; }

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Interpolation

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$side: top div border-#{$side}: 3px solid red

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div { border-top: 3px solid red; }

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Mixins

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=very-important font-weight: bold font-size: 24px color: red h1 +very-important

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h1 { font-weight: bold; font-size: 24px; color: red; }

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Arguments

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=very-important($color: red) font-weight: bold font-size: 24px color: $color h1 +very-important h2 +very-important(blue)

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h1 { font-weight: bold; font-size: 24px; color: red; } h2 { font-weight: bold; font-size: 24px; color: blue; }