D-side questions

D-side answers

• Deleting VS Finding Orphans using ActiveRecord helpers
• Find records which assoicated records do not belong to certain record
• Can Rails deal with DB uniqueness without index?
• Express SQL UNION query Rails way
• What are the use cases of scaffolding in Rails? When should I use and not use it?
• Rails: validates_length_of
• Multiple lines within parentheses
• WebRTC sending string messages
• Does ActiveRecord#first method always return record with minimal ID?
• What can you do with integers in GLSL ES?