Developers warned environment variables like 'DEBUG=false' remain truthy strings

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A DEV Community article explains that setting an environment variable like DEBUG=false can fail to disable debug mode. This occurs because environment variables are always strings, and a non-empty string like 'false' is considered truthy in many programming languages. The article details this common trap in languages like Python, Node.js, and Vite, where direct boolean or numeric comparisons fail. To address this, the author recommends explicit value conversion and introduces EnvTruth, a free VS Code extension designed to detect and fix such issues.

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