Total noob question

IM a mega noob in hacks, so can any one help me? Were can i use the code
"24 0a 68
 24 7f 68"
 and how can i use it then? I got no clue were :O

Thanks for all answers

Well, considering you have no clue what game you are trying to use them on, no one will help you.
BTW, if you read the FAQ, no one will have to answer you, as your question has already been answered several hundred times over.