klochner

def chart(chds,chxr,data)
  str=%Q{http://chart.apis.google.com/chart?chxt=y,r&chbh=a&chs=200x200&cht=bvg&chf=bg,s,efefef}
  str+= %Q{&chds=0,#{chds}&chxr=0,0,#{chxr}}
  str += %Q{&chd=t:#{data}}
  str
end

klochner

  def distribution_chart_helper(width,height,sent,click)
    data = [sent,click].map{|d| [d,0.01].max}.join("|")
    legend = "sent|clicks"
    data_labels = (0..1).map{|i|  "N*f0*,000000,#{i},-1,11"}.join("|")
    max_val = [sent,click,1].max
    series_colors = %Q{76a4fb,405887}
    url = %Q{http://chart.apis.google.com/chart?chxt=y&chbh=a&chs=#{width}x#{height}&cht=bvg&chf=bg,s,efefef}
    url += %Q{&chds=0,#{max_val*1.1}&chxr=0,0,#{max_val}}
    url += %Q{&chco=#{series_colors}}
    url += %Q{&chd=t:#{data}&&chdl=#{legend}}

klochner

#locations.html.erb
<%= render :partial=>"user", :collection=>@users %>

#_user.html.erb
<%=h user.name %> lives in <%=h user.user_city %>

klochner

#models/user.rb
named_scope :with_city_info, 
            :joins=>:address, 
            :select="users.*, addresses.city as user_city"

#controllers/users_controller.b
def locations
  @users = User.with_city_info
end

klochner

#models/user.rb
class User < ActiveRecord::Base
  has_one :address
  named_scope :with_city_info, 
              :joins=>:address, 
              :select="users.*, addresses.city as user_city"
end

#models/address.rb
class Address < ActiveRecord::Base

klochner

#models/user.rb
def user_city
  read_attribute(:user_city) || address && address.city || ""
end

klochner

def history(num=100)
  h = Readline::HISTORY.to_a
  start = [0,h.size-num-1].max
  h.zip((0..h.size).to_a)[start...h.size].each do |e,i| 
    puts " #{(i).to_s.rjust(4)}  #{e}"
  end;nil
end

>> history(7)
  483  def history(num=100)

klochner

  FB.init({
    appId  : 'YOUR_APP_ID',
    status : true, // check login status
    cookie : true, // enable cookies to allow the server to access the session
    xfbml  : true  // parse XFBML
  });                           

  FB.getLoginStatus(function(response) {
    if (response.session) {
      // logged in and connected user, someone you know

klochner

#try this data set:
ARR = [[1, "red"], [1, "green"], 
       [2, "red"], 
       [3, "yellow"], 
       [4, "red"], [4, "green"], [4, "yellow"], 
       [5, "green"], [5, "red"], 
       [6, "black"], 
       [7, "foo"], 
       [8, "bar"], 
       [9, "baz"], 

klochner

Join Table Columns (2.3ms) SHOW FIELDS FROM `foos_bars`
  Bar Load (18.7ms) SELECT * FROM `bars` INNER JOIN `foos_bars` ON `bars`.id = `foos_bars`.bar_id WHERE (`foos_bars`.foo_id = 1327 )
  SQL (0.1ms) BEGIN
  SQL (51.2ms) DELETE FROM `foos_bars` WHERE foo_id = 1327 AND bar_id in (117261,117262,117263, . .