jess

    def column_grades(program_assignment, answer_sets)
      CSV.generate(col_sep: "\t") do |csv|
        problem_set_headings = program_assignment.problem_sets.published.order(:due).map(&:name)
        csv << ["name", "student id", "student email"] + problem_set_headings
        answer_sets.each_pair do |user, ans_sets|
          grades = {}
          ans_sets.map{|as| grades[as.problem_set_id] = as.grade }
          user = ans_sets.first.user
          row = [user.name, user.studentid, user.email]
          program_assignment.problem_sets.published.order(:due).each do |ps|

jess

jessmbp.local ruby 2.0.0p247 ~/projects/blog $ rails generate postmarkdown:post test-post --date=2011-01-01
/Users/jess/.gem/ruby/2.0.0/bundler/gems/postmarkdown-98612d393767/app/models/post.rb:4:in `<class:Post>': uninitialized constant Post::ActiveModel (NameError)
        from /Users/jess/.gem/ruby/2.0.0/bundler/gems/postmarkdown-98612d393767/app/models/post.rb:3:in `<top (required)>'
        from /Users/jess/.gem/ruby/2.0.0/bundler/gems/postmarkdown-98612d393767/lib/generators/postmarkdown/post_generator.rb:9:in `check_slug'
        from /Users/jess/.gem/ruby/2.0.0/gems/thor-0.18.1/lib/thor/command.rb:27:in `run'
        from /Users/jess/.gem/ruby/2.0.0/gems/thor-0.18.1/lib/thor/invocation.rb:120:in `invoke_command'
        from /Users/jess/.gem/ruby/2.0.0/gems/thor-0.18.1/lib/thor/invocation.rb:127:in `block in invoke_all'
        from /Users/jess/.gem/ruby/2.0.0/gems/thor-0.18.1/lib/thor/invocation.rb:127:in `each'
        from /Users/jess/.gem/ruby/2.0.0/gems/thor-0.18.1/lib/thor/invocation.rb:127:in `

jess

jessmbp.local ruby 2.0.0p247 ~/projects/blog $ rails s
=> Booting WEBrick
=> Rails 4.0.0 application starting in development on http://0.0.0.0:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
/Users/jess/.gem/ruby/2.0.0/gems/actionpack-4.0.0/lib/action_dispatch/middleware/stack.rb:125:in `assert_index': No such middleware to insert before: "Rack::Sendfile" (RuntimeError)
        from /Users/jess/.gem/ruby/2.0.0/gems/actionpack-4.0.0/lib/action_dispatch/middleware/stack.rb:88:in `insert'
        from /Users/jess/.gem/ruby/2.0.0/gems/railties-4.0.0/lib/rails/configuration.rb:65:in `block in merge_into'
        from /Users/jess/.gem/ruby/2.0.0/gems/railties-4.0.0/lib/rails/configuration.rb:64:in `each'

jess

# /app/decorators/controllers/refinery/pages/pages_controller_decorator.rb
Refinery::PagesController.class_eval do

  def show
    if current_user_can_view_page?
      if should_skip_to_first_child?
        redirect_to refinery.url_for(first_live_child.url)
      elsif page.link_url.present? && redirect_url?
        redirect_to page.link_url
      else

jess

activerecord (3.2.6) lib/active_record/session_store.rb:54:in `dump'
activerecord (3.2.6) lib/active_record/session_store.rb:54:in `marshal'
activerecord (3.2.6) lib/active_record/session_store.rb:148:in `marshal_data!'
activesupport (3.2.6) lib/active_support/callbacks.rb:407:in `_run__630011569004691652__save__3723696214187507607__callbacks'
activesupport (3.2.6) lib/active_support/callbacks.rb:405:in `__run_callback'
activesupport (3.2.6) lib/active_support/callbacks.rb:385:in `_run_save_callbacks'
activesupport (3.2.6) lib/active_support/callbacks.rb:81:in `run_callbacks'
activerecord (3.2.6) lib/active_record/callbacks.rb:264:in `create_or_update'
activerecord (3.2.6) lib/active_record/persistence.rb:84:in `save'
activerecord (3.2.6) lib/active_record/validations.rb:50:in `save'

jess

ypeError (can't dump anonymous class #<Class:0x007fb634cca9d8>):
  activerecord (3.2.6) lib/active_record/session_store.rb:54:in `dump'
  activerecord (3.2.6) lib/active_record/session_store.rb:54:in `marshal'
  activerecord (3.2.6) lib/active_record/session_store.rb:148:in `marshal_data!'
  activesupport (3.2.6) lib/active_support/callbacks.rb:407:in `_run__2188096526212490646__save__2611071384826267393__callbacks'
  activesupport (3.2.6) lib/active_support/callbacks.rb:405:in `__run_callback'
  activesupport (3.2.6) lib/active_support/callbacks.rb:385:in `_run_save_callbacks'
  activesupport (3.2.6) lib/active_support/callbacks.rb:81:in `run_callbacks'
  activerecord (3.2.6) lib/active_record/callbacks.rb:264:in `create_or_update'
  activerecord (3.2.6) lib/active_record/persistence.rb:84:in `save'

jess

activerecord (3.2.6) lib/active_record/connection_adapters/postgresql_adapter.rb:1151:in `async_exec'
activerecord (3.2.6) lib/active_record/connection_adapters/postgresql_adapter.rb:1151:in `exec_no_cache'
activerecord (3.2.6) lib/active_record/connection_adapters/postgresql_adapter.rb:664:in `block in exec_query'
activerecord (3.2.6) lib/active_record/connection_adapters/abstract_adapter.rb:280:in `block in log'
activesupport (3.2.6) lib/active_support/notifications/instrumenter.rb:20:in `instrument'
activerecord (3.2.6) lib/active_record/connection_adapters/abstract_adapter.rb:275:in `log'
activerecord (3.2.6) lib/active_record/connection_adapters/postgresql_adapter.rb:663:in `exec_query'
activerecord (3.2.6) lib/active_record/connection_adapters/postgresql_adapter.rb:1276:in `column_definitions'
activerecord (3.2.6) lib/active_record/connection_adapters/postgresql_adapter.rb:859:in `columns'
activerecord (3.2.6) lib/active_record/connection_adapters/schema_cache.rb:12:in `block in initialize'

jess

  # text links ads stuff
  # ---------------------------------------------------------------------------------------------------------------

  #controller action
  def some_action
    text_link_ads "your_id_here"
    ....
  end

jess

 #carrierwave, get image width and height of image (using the MiniMagick gem)
 
 #stick this in your uploader (ex: uploaders/file_uploader.rb)
 def width
    @image ||= get_minimagick_image
    @image[:width]
  end

  def height
    @image ||= get_minimagick_image

jess

# crawl a site and build a sitemap for montlick.com

require 'rubygems'
require 'anemone'
require 'builder'

sitemap = ""
xml = Builder::XmlMarkup.new(:target => sitemap, :indent=>2)
sitemap_txt = ""
xml.instruct!