Coda Chang questions

• Rails use sass to import all css
• Use Python decorator to handle try and exception
• Rails: remove reference relationship
• Embed office form via iframe
• Use seqel pro connect to AWS RDS
• Unity3d: No Drag&Drop has been setup
• namenode, datanode not list by using jps
• Bootstrap tooltip wrap and break
• Rails: violates foreign key constraint
• Watir unable to find Mozilla geckodriver

Coda Chang answers