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A comment on Microsoft Teams is the reason some Android users can't dial 911.

Re:Microsoft Teams is the reason some Android users can't di... by greenyoda on Friday December 10, 2021 @08:47PM (#29517630)
There was a huge discussion yesterday of the original Reddit post: https://news.ycombinator.com/item?id=29492884

And today, a very detailed technical analysis of the multiple bugs in Android and Teams that caused the issue: https://news.ycombinator.com/item?id=29513795

[ Parent | on HN ]
Re:Microsoft Teams is the reason some Android users can't di... by zamalek on Friday December 10, 2021 @10:18PM (#29518090)
TL;DR: Subtraction was used for comparison (an optimization trick that nearly always works). We all make mistakes, but here's a great example of why not to go branchless, especially outside of a hot path.
[ Parent | on HN ]