What is the biggest mistake a coder can make?

Question

This is a serious life question, in terms of career choices and more detail oriented situations.

Answer 1

to stop learning and developing his skills..

Answer 2

fixing a bug but not knowing how or why the fix worked.

Answer 3

Spill coffee on their laptop.

Answer 4

Being overconfident.... (biggest mistake forgetting a semicolon in a huge program)

Answer 5

Quitting. There is no worse mistake than that.

Answer 6

Forgetting a semicolon

Answer 7

when coders become arrogant

Answer 8

@IAmNotGonnaTrySpellingThat, he and I are referring to when programmers are extremely egotistical and believe they are better than everyone else, and know more than everyone.

Answer 9

@Arun, I cannot agree with you more on this. 👍