際際滷

app/
controllers
(2)
con?g/
routes.rb

(1) (3)
(5) (4)

User
(6)

app/models
app/views

8

class You
def self.hello You.hello # hello
puts ＾hello￣ you = You.new
end you.hello # error
you.morning # morning
def morning
puts ＾morning￣
end
end

12

a = 120
a = 100 if a == 100
if a == 100 puts "100!"
puts "100!" elsif a == 120
else puts "120!"
puts "not 100!" else
end puts ＾?￣
end

13

list = [1,2,3] list = [1,2,3]
list.each do |it| list.each { |it|
puts it puts it
end }

14

"a".twice # error class You
private
class String def secret
def twice puts ＾sleeping￣
self + self end
end end
end you = You.new
you.secret # error
"a".twice # => "aa' you.send(:secret) # =>
sleeping

15

class BlogsController
def index # <=
end
def edit
end
end

18

class Blog < ActiveRecord::Base
end

19

app/views/blogs/{action}.html.erb

app/views/layouts/blogs.html.erb
or
app/views/layouts/application.html.erb

20

<%= 100 %>

<% if a == 100 %>
<div>Hello!</div>
<% end %>

<%# comment %>

21

<%= render 'form' %>
_form.html.erb

22

class BlogsController
def index # <= <% @list.each do |it| %>
<div><%= it %></div>
@list = [1,2,3] <% end %>
@list.pop
end
def edit
end
end

23

>> entry = Blog.?rst

>> entry.title

>> entry.title = ＾heeeelp￣
>> entry.save

25

class Blog < ActiveRecord::Base
end
class CreateBlogs < ActiveRecord::Migration
def self.up
>> entry = Blog.?rst create_table :blogs do |t|
>> entry.title t.string :title
t.text :body

t.timestamps
end
end
end

26

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檎温庄鉛壊3ハンズオン彿創

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