Yes, both are powered by external power (12V 2A for my UNO) and of course I know how to connect it properly just like I connect USBasp to burn the bootloader (wchich works properly). 
Yes, both are powered by external power (12V 2A for my UNO) and of course I know how to connect it properly just like I connect USBasp to burn the bootloader (wchich works properly).