Writing efficient code is crucial for both performance and maintainability. Here are 10 essential coding practices that every developer should follow:

1. Keep It Simple: Aim for simplicity in your code. Complex solutions can lead to bugs and make maintenance difficult.
2. DRY Principle: 'Don't Repeat Yourself' emphasizes the importance of reusability. Extract common code into functions or modules to reduce redundancy.
3. Comment and Document: Well-commented code is easier to understand. Make sure to explain the purpose of complex algorithms or logic.

In addition to the above practices, consider the following:

4. Use Meaningful Names: Variable and function names should convey their purpose. This improves readability and helps others (or your future self) understand the code quicker.
5. Optimize Performance: Identify bottlenecks through profiling and focus on optimizing those areas for speed and efficiency.
6. Version Control: Use systems like Git for version control. This allows you to track changes, collaborate effectively, and revert to previous versions when necessary.

Debugging your code effectively is an essential skill for any programmer. To debug your code like a pro, start by familiarizing yourself with the tools at your disposal. Utilize integrated development environments (IDEs) that offer robust debugging features, such as breakpoints and step-through execution. This allows you to inspect the state of your application at various stages of execution. Additionally, implement logging within your code to capture detailed information about the program's flow and error occurrences. This practice not only helps identify issues but also aids in understanding how code changes impact your system's behavior.

Once you’ve set up your debugging environment, follow a systematic approach to identify and resolve issues. Here are some tips and techniques to enhance your debugging process:

1. Reproduce the Error: Ensure you can consistently recreate the issue, which helps in isolating and understanding it better.
2. Check Recent Changes: Investigate the most recent code changes, as they are often the source of new bugs.
3. Divide and Conquer: Narrow down your code into smaller sections to identify where the problem lies.
4. Seek Help: Don’t hesitate to ask colleagues or refer to online communities when you hit a dead end.

By employing these strategies, you'll not only resolve bugs more efficiently but also improve your overall coding practices.

The phrase 'Code Like You Mean It' encapsulates a philosophy that encourages developers to approach coding with intent and clarity. It emphasizes the importance of writing code that is not only functional but also maintainable and understandable. This means prioritizing readability, using clear naming conventions, and being conscious of the structure of the code. By coding with purpose, developers can create software that others can easily follow and build upon, enabling a collaborative and efficient development environment.

To truly 'Code Like You Mean It', one must also embrace best practices such as thorough testing and documentation. This involves regularly reviewing and refining code to eliminate unnecessary complexity and technical debt. Additionally, utilizing version control systems helps to track changes and collaborates effectively with team members. In essence, coding like you mean it is about taking responsibility for your work and striving for excellence, ensuring that each line of code contributes meaningfully to the overall project.