Heart Rate monitor using Raspberry Pi and Pulse sensor

There are several heart rate monitors available in the market but I wanted to make something cheap (already owned Raspberry Pi) and one that can be wall-powered for continuous use. Currently, it is sitting on my desk and I can measure my pulse anytime by putting my finger on the...

Reddit comments - Speed matters

TLDR: The faster you comment on a post, more likely it is going to be top scoring comment.

There are several social networks, where anonymous people put out their views (in form of comments) on a topic. Other users can upvote(agree), downvote (disagree), or do nothing (no opinion, desire, or...