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Software, devices and technical concepts, explained clearly.

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Technology

Transition-timing-function: easing is not duration

transition-timing-function describes how intermediate transition values are calculated. ease-in and ease-out distribute pacing differently over the same interval.

Published23 Oct 2026
Technology

Transition: a smooth transition needs a change

transition describes how a change between values unfolds over time. An opacity transition becomes visible when opacity actually changes between states.

Published23 Oct 2026
Technology

Typing: a type hint is not input validation

Python does not automatically enforce type annotations at runtime. A declaration such as amount: int helps tools and readers but does not itself block unsuitable data from an external f...

Published22 Oct 2026