Booleans may seem harmless, but using them can be fraught with peril. When you can’t avoid them, follow these five rules.

All refactorings are useful, but Extract Method, Rename Variable/Method/Class ... result directly into another function as part of a boolean expression. This is… problematic.

The following Java printf example formats a text String, and substitutes two variables into the text where the %s and %S conversion specifiers appear: The flags, width and precision settings are all ...

A default value is not required for a key, but it’s useful in the event that a key hasn't been set via config file, environment variable, remote configuration or flag. Viper requires minimal ...

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.