XOR тебя, тебя

и кстати!

xor с нулем тоже 0!

__asm {
  mov al,0
  xor al, al
}

как поставить friend-only by default

Set the minimum security level of all future entries in your journal by typing the following Admin Console commands:

    set newpost_minsecurity level

Set the minimum security level to Friends-Only, Private or Public by replacing level with friends, private or public respectively