Signs that you’re a bad programmer

• Inability to reason about code
• Poor understanding of the language’s programming model
• Deficient research skills / Chronically poor knowledge of the platform’s features
• Inability to comprehend pointers
• Difficulty seeing through recursion
• Inability to think in sets
• Lack of critical thinking
• Pinball Programming
• Unfamiliar with the principles of security
• Code is a mess
• Inability to determine the order of program execution
• Insufficient ability to think abstractly
• Collyer Brothers syndrome
• Dysfunctional sense of causality
• Indifference to outcomes

Source: Software Engineering Tips.