Arrogance; the egotistical conviction that one is above normal human error. Most frequently found among programmers of some native ability but relatively little experience (especially new graduates; their perceptions may be distorted by a history of excellent performance at solving toy problem s). "Of course my program is correct, there is no need to test it." "Yes, I can see there may be a problem here, but *I'll* never type "rm -r /" while in root mode ."
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