Lars Haugseth questions

Lars Haugseth answers

• SID file format parsing
• Validating string using ruby Reg Expressions?
• Skip attributes having nil values when to_json on ActiveRecord
• How do I show sprites in the border on C64?
• converting from xml name-values into simple hash
• Checking the type of a method parameter
• How to get datamapper to work with a postgresql database?
• How to create "Upcoming birthdays" module in Rails?
• Airflow: Re-run DAG from beginning with new schedule
• Rails 3 - cache web service call