Weekly Digest #38
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How slack classifies email into internal/external.
Realtime data are feed in to provide domain knowledge while maintaining low compute footprint.
Self-healing (periodic full data fetch) are performed to prevent data drift
Writing a sqlite clone from scratch in C
a Python library for video editing (back by ffmpeg): cutting, concatenations, title insertions, video compositing (a.k.a. non-linear editing), video processing, and creation of custom effects. See the gallery for some examples of use.
innovation on the traffic light
Our brain extracts some color information from the blue channel, but delegates sharpness to the red and green channels which are in focus.
Eyes focus on the colors where it is most sensitive. The focal point is placed between the peaks of the red and green receptors and blue is left blurry.