hey dear null-byte hackers & programmers.
we all had hard day on our own.some times we got lost our target when we were try to social eng on him/her . most of times we get part of program that bugs it but we cant del it or fix it nor change it with some thing else. some times firewall just dosent let us and we cant bypass it ( ay most of times ;( ) so what was your hardest day on programming / hacking! feel free to share it ..