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# From : http://andrewjgrimm.wordpress.com/2011/10/03/in-ruby-method-passes-you/

["1", "2", "3"].map(&method(:Integer))

filenames = ["a.txt", "b.txt", "c.txt"]
texts = filenames.map(&File.method(:read))

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# Gemfile
gem 'unicorn'

# Procfile
web: bundle exec unicorn -p $PORT -c ./config/unicorn.rb

# config/unicorn.rb
worker_processes 4
timeout 30

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# file mood.rb

Mood = Struc.new(:happy)


# file user.rb

class User
  serialize mood, Mood
  def mood=(attr={})

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# Playing with classes and structs

MyClass = Class.new

p MyClass.class

# => Class

my_instance = MyClass.new

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# from http://stackoverflow.com/a/647451


git symbolic-ref HEAD refs/heads/newroot
git rm --cached -r .
git clean -f -d

# then you apply the same steps
git commit --allow-empty -m 'root commit'
git cherry-pick $(git rev-list --reverse master | head -1)

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element.addEventListener('touchstart', function(e) {
    e.preventDefault();
}, false);
element.addEventListener('touchmove', function(e) {
    e.preventDefault();
}, false);

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"toto\ntiti".lines.map{|l| l.strip}.to_a.join(", ")

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# http://rubyquicktips.tumblr.com/post/4601358354/using-try-with-a-hash-to-check-existence-of-a-key

hsh = { :existing_key =>
            {
               :existing_sub_key => :value
            }
      }

hsh.try(:[], :existing_key).try(:[], :existing_sub_key)
# => :value

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# following DOES match "foobar", "fooadmin", "adminbar", "fooadminbar" but not "admin" as a whole word :
/^((?!\badmin\b)[^\s]*)$/


# more reserved keywords :
/^((?!\badmin\b|\bteam\b)[^\s]*)$/

# http://www.regular-expressions.info/wordboundaries.html
# http://www.regular-expressions.info/lookaround.html

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Hash.new { |h, k| h[k] = Hash.new(&h.default_proc) }