Doug Kress questions

Doug Kress answers

• How do I know if wget actually downloaded a file?
• MYSQL: diff between tables
• MySQL's INSERT IGNORE INTO & foreign keys
• Right mySql command to get meta information?
• Alias class method as global function
• MySQL sync between 2 databases and primary key clash
• How expensive is git checkout compared to other version control systems?
• How to tell MySQL to trigger a Hash before Update/Insert?