Joost Baaij questions

Joost Baaij answers

• Rails - Find records that are not present another join table
• Rails 2.3 and rspec-rails compatability
• Rails: possible to check if a string is binary?
• Is it possible to create form for simple class
• conditional convert options paperclip
• Bcrypt - How many iterations/cost?
• Ruby 1.9 doesn't support Unicode normalization yet
• Rails 3.1 Force Regular HTTP
• Why slicing the params hash poses a security issue on mass-assignment?
• Rails: Testing named scopes with RSpec