Igor questions

• Can `JTableHeader` span over multiple columns?
• Port Forwarding (NAT UPNP) ERROR
• How to get the component that invoked a JPopupMenu?
• shadowbox stops working after jquery function call
• REST request data can't be read in 'put' method
• What is the best way to listen for changes in JTable cell values and update database accordingly?
• file_get_contents('php://input') always returns an empty string

Igor answers