Development Practices

Write error messages that won't make readers think. A good error message should both point out a problem in your code and indicate a solution.

Use your relational database management system to its full potential to process data, describe domain logic, and take action when data changes.

There are real costs involved in the decision to have a development team work in multiple repositories—I believe these costs are always overlooked.

Use "feature flags" to improve code that needs to maintain backward compatibility with an external API, device, OS, or hardware version.

Four tips for efficient refactoring: have good test coverage, refactor on a main branch, keep tests green often, remember your purpose.