Lukas Eklund questions

Lukas Eklund answers

• Migrations code not generated in schema.rb?
• How do I access the current Heroku release version programmatically?
• Initial array in function to aggregate multi-dimensional array
• ruby add new key-value pair to nested hash
• Multiple Applications, single domain how many SSL endpoints required?
• Rails configuration secret key base returning nil
• Heroku: Compiled Slug Size is too large
• How to remove heroku ssh keys that don't have a name
• Why is the integer size limit different on Rails when using PostgreSQL v. MySQL?
• Rake db:test:prepare task deleting data in development database