Rails C (Pry)

gistfile1.txt

dnorthrup@bloccit:~/workspace (master) $ rails c
Loading development environment (Rails 4.2.4)
[1] pry(main)> cd Post.first
  Post Load (0.2ms)  SELECT  "posts".* FROM "posts"  ORDER BY "posts"."id" ASC LIMIT 1
[2] pry(#<Post>):1> self.post = "My new post!"
NoMethodError: undefined method `post=' for #<Post:0x00000004599468>
from /usr/local/rvm/gems/ruby-2.2.1/gems/activemodel-4.2.4/lib/active_model/attribute_methods.rb:433:in `method_missing'
[3] pry(#<Post>):1> self.title = "My new title!"
=> "My new title!"
[4] pry(#<Post>):1> self.body = "My new body!"
=> "My new body!"
[5] pry(#<Post>):1> save!
   (0.2ms)  begin transaction
  SQL (0.5ms)  UPDATE "posts" SET "title" = ?, "body" = ?, "updated_at" = ? WHERE "posts"."id" = ?  [["title", "My new title!"], ["body", "My new body!"], ["updated_at", "2015-10-03 00:59:16.720420"], ["id", 1]]
   (10.8ms)  commit transaction
=> true
[6] pry(#<Post>):1> self
=> #<Post:0x00000004599468 id: 1, title: "My new title!", body: "My new body!", created_at: Sat, 03 Oct 2015 00:38:15 UTC +00:00, updated_at: Sat, 03 Oct 2015 00:59:16 UTC +00:00>
[7] pry(#<Post>):1>