jlebrech

# loop through article containing the old_tag
Article.tagged_with(old_tag).each do |article|
  # give articles with the old tag the new tag
  article.tag_list.add(new_tag)
  # remove the old tag
  article.tag_list.remove(old_tag)

  article.save # this isn't 
end

jlebrech

class MyClass
  def initialiser
    defn /do_([a-z]*)_to_([a-z]*)/, :do_x_to_y 
  end

  def defn(regex, &proc)
    @@missing_things = [] if @@missing_things.nil?
    @@missing_things << [ regex, proc ]
  end
  

jlebrech

ship = bodies[1]
shipVec = vector(ship:getX(),ship:getY())
planet = bodies[2]
planetVec = vector(planet:getX(),planet:getY())
distance = planetVec – shipVec
force = 250 / distance:len2()
normforce = force*distance
bodies[1]:applyImpulse(normforce.x, normforce.y,ship:getX(),ship:getY())

jlebrech

Say we had the following structure

App
 -> Views
    -> ABC
       abc.erb
       -> partials
         _a.erb
         _b.erb
         _c.erb

jlebrech

t=Ticket.arel_table # the arel table to extract subqueries from

if params[:title].length > 0 then
   sqla = t[:title].matches("%#{params[:title]}%")
else
   sqla = nil
end

if params[:from].length > 0 then
   sqlb = t[:from].matches("%#{params[:from]}%")

jlebrech

tags=Tag.arel_table
@tags = Tag.where(tags[:label].matches("%#{params[:term]}%"))

jlebrech

t.strftime("%d/%m/%Y %I:%M%p")

<input name="authenticity_token" type="hidden" value="<%= form_authenticity_token %>">

jlebrech

def self.login(game, &block)
    set_game(game)

    logger = Rails.logger
    logger.debug "Logging in"

    @game = game

    curl = Curl::Easy.perform(@login_url)

jlebrech

bundle install                
Fetching gem metadata from https://rubygems.org/........
Fetching gem metadata from https://rubygems.org/..
Could not find gem 'yajl (>= 0) java' in the gems available on this machine.

jlebrech

echo precompile assets for production

rvmsudo RAILS_ENV=production bundle exec rake assets:precompile

echo restart unicorn

sudo kill `cat unicorn.pid`

echo start unicorn as production
rvmsudo unicorn_rails -c config/unicorn.rb -D --env production