InfinityFree’s “?i=1”

On 8 November 2026, I met up with a long-time friend from college. I think we had been out of touch for more than eight years, until one day I decided, on a whim, to search Instagram for traces of my old college friends.It turns out that Facebook Inc. (now Meta) is still pretty good at the whole “rediscover your past acquaintances” game. I managed to reconnect with my friend relatively quickly. Hit the follow button, check their following list, follow a few more people, and before long, the follow chains led to direct messages. After plenty of exchanges, we arranged a face-to-face meeting.During the meetup, my friend asked me to build a simple app: a tool to calculate the midpoint between two coordinates.He had a particular use case in mind. Sometimes, he needs to meet up with someone he has met online, and finding a suitable meeting point between their respective homes is important to make the arrangement as fair as possible. By using the geographical midpoint as the rendezvous…

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