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Source: [Hacker News](https://www.youtube.com/watch?v=JN8CkCGGRzo)
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A down-to-the-wire battle to be the Colts' starting kicker has been decided.
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1 points, 0 comments on Hacker News
If you've done LeetCode's Design HashMap , you've implemented put , get , and remove . What that exercise usually skips is the part that actually breaks in production: what happens when someone mutates the map while another piece of code is iterating over it. I ran into this directly while buil...