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bslatkin / dpxdt

Make continuous deployment safe by comparing before and after webpage screenshots for each release. Depicted shows when any visual, perceptual differences are found. This is the ultimate, automated end-to-end test.
https://dpxdt-test.appspot.com
Apache License 2.0
1.44k stars 124 forks source link

Hi, A newbie question? What's dpxdt stand for? #58

Closed yaoweibin closed 10 years ago

yaoweibin commented 10 years ago

Hi,

This project is owesome. I love the idea of perceptual diff. But I'm curiosity what's the dpxdt stand for? Is there any meaningful abbreviations for this word?

Thank you.

paulirish commented 10 years ago

i believe it's "depicted"

hloedo000 commented 10 years ago

dpxdt is a play on the notation used to write differential equations (see http://en.wikipedia.org/wiki/Ordinary_differential_equation). I think dpxdt, or rather, dpx/dt, suggests "the change in pixels over time", where px is pixels, and t is time.

bslatkin commented 10 years ago

@hloedo000 has it right