Add tomdoc

rails-models.md

@@ -3,11 +3,84 @@ title: Rails Models
 layout: default
 ---
 
-### Generating models
+### [Query methods](http://devdocs.io/rails/activerecord/querymethods#method-i-order)
+
+```rb
+items = Model
+  .where(first_name: "Harvey")
+
+  .order(:title)
+  .order(title: :desc)
+  .order("title DESC")
+
+  .reorder(:title)  # discards other .orders
+  .rewhere(...)
+
+  .limit(2)
+  .offset(1)
+  .uniq
+```
+
+### [FinderMethods](http://devdocs.io/rails/activerecord/findermethods)
+
+```rb
+item = Model.find(id)
+item = Model.find_by_email(email)
+item = Model.where(email: email).first
+
+Model
+  .exists?(5)
+  .exists?(name: "David")
+
+  .first
+  .last
+  .find_nth(4, [offset])
+```
+
+### [Persistence](http://devdocs.io/rails/activerecord/persistence)
+
+```rb
+item.new_record?
+item.persisted?
+item.destroyed?
+
+item.serialize_hash
+
+item.save
+item.save!      # Same as above, but raises an Exception
+
+item.update name: "John"
+item.update!
+
+item.update_column  :name, "John"  # skips validations and callbacks
+item.update_columns  name: "John"
+item.update_columns! name: "John"
+
+item.touch  # updates :updated_at
+item.touch :published_at
+
+item.valid?
+item.invalid?
+
+item.destroy
+item.delete  # skips callbacks
+```
+
+```rb
+Model.create     # Same an #new then #save
+Model.create!    # Same as above, but raises an Exception
+```
+
+### Sorting
+
+
+Generating
+----------
 
     $ rails g model User
 
-### Associations
+Associations
+------------
 
     belongs_to
     has_one
@@ -192,37 +265,13 @@ Validation
 
     record.errors[:name].any?
 
-API
+Other API
----
+---------
 
-    items = Model.find_by_email(email)
+### Callbacks
-    items = Model.where(first_name: "Harvey")
-
-    item = Model.find(id)
-
-    item.serialize_hash
-    item.new_record?
-
-    item.create     # Same an #new then #save
-    item.create!    # Same as above, but raises an Exception
-
-    item.save
-    item.save!      # Same as above, but raises an Exception
-
-    item.update
-    item.update_attributes
-    item.update_attributes!
-
-    item.valid?
-    item.invalid?
 
  * [Guides: callbacks](http://guides.rubyonrails.org/active_record_validations_callbacks.html)
 
-### Sorting
-
-    posts.order(:title)
-    posts.order("title DESC")
-
 ### Mass updates
 
     # Updates person id 15

tomdoc.md

@@ -0,0 +1,59 @@
+---
+title: Tomdoc
+---
+
+```
+# Public: Duplicate some text an arbitrary number of times.
+#
+# text  - The String to be duplicated.
+# count - The Integer number of times to duplicate the text.
+#
+# Examples
+#
+#   multiplex('Tom', 4)
+#   # => 'TomTomTomTom'
+#
+# Returns the duplicated String.
+def multiplex(text, count)
+  text * count
+end
+```
+
+### Tags
+
+```
+Deprecated
+Internal
+Public
+```
+
+### Options
+
+```
+# options - The Hash options used to refine the selection (default: {}):
+#           :color  - The String color to restrict by (optional).
+#           :weight - The Float weight to restrict by. The weight should
+#                     be specified in grams (optional).
+```
+
+### Yields
+
+```
+Yields the Integer index of the iteration.
+Returns the duplicated String.
+Returns nothing.
+Raises Errno::ENOENT if the file can't be found.
+Returns something else and this is a wrapped
+  multi-line comment.
+```
+
+### Signatures
+
+```
+# Signature
+#
+#   find_by_<field>[_and_<field>...](args)
+#
+```
+
+See [tomdoc.org](http://tomdoc.org/).