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Articles related to activerecord

What is ActiveRecord? - Ruby - About.com
ActiveRecord is what is referred to as an Object-Relational Mapping. It's responsible for mapping exactly one row in a database to one object in Ruby. Its name ...
http://ruby.about.com/od/rubyonrails/ss/What-Is-Activerecord.htm
Reddit Clone in Rails Part 2: Posts - Ruby - About.com
In this tutorial we'll use the scaffold generator to generate the Post model. We won't quite dive into the web interface yet, we'll take a look at ActiveRecord ...
http://ruby.about.com/od/redditclone/ss/Reddit-Clone-In-Rails-Part-2-Posts.htm
Comments for Ruby Code - Usage, Single and Multi-Line - About.com
ActiveRecord sample in Ruby on Rails. - Public Domain. Public Domain. Comments in your Ruby code are notes and annotations meant to be read by other ...
http://ruby.about.com/od/rubyfeatures/a/comment.htm
Selecting and highlighting a row in a DBGrid - "OnMouseOverRow"
Need to highlight the row behind the mouse cursor in a DBGrid? Here's how to select (make active record) and highlight (change color, font, etc.) a row in a ...
http://delphi.about.com/od/usedbvcl/l/aa011004a.htm
Error Messages: Couldn't find without an ID - Ruby - About.com
Problem: You've encountered the error message Couldn't find Page without an ID while trying to run find on an ActiveRecord class.
http://ruby.about.com/od/faqs/qt/Could-Not-Find-Page-Without-An-Id.htm
A Quick Introduction to DataMapper - Ruby - About.com
If this sounds familiar then you may be thinking of ActiveRecord, the ORM library used in Ruby on Rails. If you're familiar with ActiveRecord already, picking up ...
http://ruby.about.com/od/sinatra/a/datamapper.htm
Highlighting Delphi's DBGrid Row on Mouse Hover - About.com
If MouseOverRow matches the ActiveRecord value of the protected DataLink property and the cell being drawn does not have the focus and is not selected: ...
http://delphi.about.com/od/usedbvcl/a/dbgridmouseover.htm
Setting up the Model - Ruby - About.com
class Comment < ActiveRecord::Base belongs_to :post validates_presence_of : name validates_length_of :name, :within => 2..20 validates_presence_of :body
http://ruby.about.com/od/rubyonrails/ss/blogpart4_3.htm
record - Linux Command - Unix Command
If level triggered recording is active, record will start and stop recording depending on the signal strength. Recording will be started if the signal strength is above ...
http://linux.about.com/library/cmd/blcmdl1_record.htm
Scaffolding the Comments - Ruby - About.com
Part four of the Ruby on Rails blog tutorial shows you how to create a comments table to allow users to comment on your blog posts.
http://ruby.about.com/od/rubyonrails/ss/blogpart4_2.htm
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