How to Write Unmaintainable Code (1999)

📰 Hacker News (AI)

Tips on how to write unmaintainable code, including lying in comments and avoiding encapsulation

intermediate Published 3 Apr 2026
Action Steps
  1. Avoid keeping comments up-to-date with the code
  2. Use unclear method names and avoid documenting the overall purpose of a package or method
  3. Avoid encapsulation and use cut/paste/clone/modify instead of reusable modules
  4. Remove white space and comments on variables to make the code harder to understand
Who Needs to Know This

Software engineers and developers can benefit from understanding these anti-patterns to avoid writing difficult-to-maintain code and to improve their overall coding skills. Team leads and managers can also use this to educate their team members on best practices

Key Insight

💡 Writing unmaintainable code can have serious consequences, including making it difficult for others to understand and modify the code, leading to increased maintenance costs and decreased productivity

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💡 Bad coding practices can lead to a lifetime of employment... for you, but headaches for others!
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