rodrigoflores

#outer {
	width: 500px;
}

#outer:hover #text {
	-webkit-transition: left linear .5s;
	
	position: absolute;
	left: 100px;
}

rodrigoflores

p {
	background-color: red;
}

rodrigoflores

# do .. end when we're only interested on the side effect

array.each do |item|
  puts item
end

# { } when we want the result of the evaluation 

array.map { |item|
  item + 1

rodrigoflores

irb(main):013:0> blog = Blog.new
=> #<Blog id: nil, title: nil, created_at: nil, updated_at: nil>
irb(main):014:0> blog.save
   (0.2ms)  BEGIN
  SQL (0.4ms)  INSERT INTO `blogs` (`created_at`, `title`, `updated_at`) VALUES ('2012-04-13 00:56:01', NULL, '2012-04-13 00:56:01')
   (19.5ms)  COMMIT
=> true
irb(main):015:0> post = blog.posts.new
=> #<Post id: nil, blog_id: 2, created_at: nil, updated_at: nil>
irb(main):016:0> post.save

rodrigoflores

class Password < ActiveRecord::Base
  belongs_to :user

  scope :current, where(:changed_at => nil)
end

rodrigoflores

class Password < ActiveRecord::Base
  belongs_to :user

  scope :current, where(:changed_at => nil)
end

rodrigoflores

flores in /Users/flores/Code/sum/sum/mdown-erlang with 1.9.3-p125 on  (master *)
                                                                                % erl
Erlang R15B (erts-5.9) [source] [64-bit] [smp:2:2] [async-threads:0] [hipe] [kernel-poll:false]

Eshell V5.9  (abort with ^G)
1> c(markdown).
{ok,markdown}
2> markdown:to_html(<<"# OK #">>).
"<h1>OK</h1>\n"
3> markdown:to_html(<<"# OK #\n * OK">>).

rodrigoflores

case my_var
when String then puts "It is a string"
when Integer then puts "It is an integer"
else puts "It is another thing"
end

#instead of 
case my_var.class
when String then puts "It is a string"
when Integer then puts "It is an integer"

rodrigoflores

require 'rubygems'
require 'nokogiri'

# Nokogiri 1.4.4

object = <<-EOF
<object width="425" height="349"><param name="movie" value="http://www.youtube.com/v/dQw4w9WgXcQ?version=3&amp;hl=en_US&amp;rel=0"></param><param name="allowFullScreen" value="true"></param><param name="allowscriptaccess" value="always"></param><embed src="http://www.youtube.com/v/dQw4w9WgXcQ?version=3&amp;hl=en_US&amp;rel=0" type="application/x-shockwave-flash" width="425" height="349" allowscriptaccess="always" allowfullscreen="true"></embed></object>
EOF

puts Nokogiri::HTML.fragment(object).to_html

rodrigoflores

require 'sixarm_ruby_email_address_validation'

include EmailAddressValidation

email = 'email@invalid'

EMAIL_ADDRESS_EXACT_PATTERN =~ email # => 0