Sean Hill questions

Sean Hill answers

• Geokit issue - "could not find generator"
• Rails Activerecord multiple table includes
• How does Rails populate the "model_type" field for polymorphic associations?
• Post.count to_sql in Rails3?
• Convert string to hexadecimal in Ruby
• Many-to-many Users and groups, but groups have owners
• Grouping by Days Created_At
• Creating Ruby applications for Windows
• Rails 3 Routing - How to use scope to create admin prefix
• Rails: How to increment an integer field of selected instances of a model?