'Jumpstart' method in the thread you were linked to, then jig. Both highly unlikely to work (1 in 10,000 chance of either working), prepare yourself for a motherboard replacement or new phone, but take it to a JTAG repairer before you go down that route; you might get lucky.
If it's important enough to cause you grief if it's lost, back it up. No excuses
Trolling for thanks is lame
Does Samsung's auto-brightness implementation crap drive you to self-harm ? A solution !
Failure to search is the leading cause of male impotence on XDA
If you don't know how to recover if things go wrong, what are you doing flashing custom roms ?