Desk Checking

Desk Checking

Desk Checking

Zielsetzung:

An informal, manual process of reviewing one’s own source code or logic before it is compiled or executed.

Wie es verwendet wird:

Vorteile

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Desk Checking is often employed in software development, particularly during the design and testing phases of a project, where developers meticulously review their own code to identify logical flaws or typographical errors before deploying the product. This technique not only serves individual developers but can also be effectively implemented in collaborative environments where team members engage in peer reviews. In industries such as finance, aerospace, and healthcare, where precision is paramount, the practice of Desk Checking becomes even more significant as a preemptive measure against costly errors or system failures. Participants typically include software engineers, quality assurance testers, and technical leads who can contribute different perspectives during the code verification process. The application of this methodology doesn’t require elaborate tools or platforms, making it an accessible practice in both established companies and startups, especially in agile development settings. Desk Checking also promotes a culture of accountability, encouraging developers to take ownership of their code by mentally rehearsing its execution, which can lead to more robust and reliable software solutions. Encouraging this practice early in the development cycle can save time and resources, thus enhancing project efficiency and ensuring the overall quality of the final product.

Die wichtigsten Schritte dieser Methodik

  1. Read each line of code carefully, visualizing its execution.
  2. Identify and mentally track variable values as the code runs.
  3. Check conditional statements and loops for logical errors.
  4. Verify that function calls and their parameters are correct.
  5. Look out for off-by-one errors in iterations or index handling.
  6. Consider edge cases and how the code handles them.
  7. Check for unused variables or redundant code.
  8. Evaluate the code's flow and structure for readability.
  9. Reflect on consistency in naming conventions and formatting.
  10. Mentally replay scenarios to ensure expected outcomes occur.

Profi-Tipps

  • Focus on boundary conditions and edge cases during your mental walkthrough to ensure robustness against unexpected inputs.
  • Incorporate peer feedback into your desk checking by verbalizing your logic to a colleague, which can surface hidden assumptions.
  • Document your desk-checking thought process for future reference; this can be invaluable for recognizing recurring patterns in errors.

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