ScanMyScale app reads scale displays via photo to automate weight tracking

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A developer has launched ScanMyScale, a free app that uses photo recognition to automatically read and log weight from any analog or digital scale. Users simply open the app, take a photo of their scale's display, and the app records the reading to build a weight history over time. The tool is built as a Progressive Web App (PWA), meaning it runs directly in a mobile browser without requiring an app store download. Manual entry remains available as an optional alternative for those who prefer it. The developer is actively seeking user feedback on usability and display-reading accuracy to improve the product.

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Strong CSS architecture starts with defining what CSS should never do

A DEV Community article argues that the foundation of robust CSS architecture lies not in defining capabilities, but in declaring explicit exclusions upfront. The author illustrates how design token systems quietly accumulate misuse — such as storing application state inside CSS custom properties — because nothing in the system is built to refuse such decisions. Without predefined boundaries, stylesheets gradually absorb logic and state that belong elsewhere, making systems harder to maintain over time. The piece contends that exclusions are not gaps in architecture but its most durable component, acting as guarantees rather than limitations. A system that never defines what it will not do, the author warns, will eventually be pressured into doing everything.

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ProgrammingDEV Community ·

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Strong CSS architecture depends not just on what a system can do, but on explicitly deciding what it must never do. Without declared exclusions, systems tend to accumulate unintended responsibilities over time, such as storing application state inside design tokens. A custom property tracking modal state looks syntactically identical to a spacing token, yet represents a fundamentally different concern that CSS has no business managing. Since browsers cannot distinguish between the two, the refusal must come from deliberate architectural decisions made in advance. Systems that define clear boundaries and exclusions are more maintainable and resilient than those that only react after problems emerge.

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