John questions

• Difference between superclass and supertype and the difference between subclass and subtype
• Flask redirect doesn't work after upload
• Multiple threads accessing one variable
• How to connect to Amazon RDS using go-sql-driver
• Converting "=?UTF 8?.." (RFC 2047) to a regular string in golang
• How to create a mouse drag slider for HTML elements?
• Limiting bandwidth of http get
• Flask: Creating objects that remain over multiple requests
• How to get a substring from a string of runes in golang?
• Piping http.Response to http.ResponseWriter

John answers