The simplest approach is to check every single point. Compute the distance from the user's location to every restaurant in the database, keep the ones that are close enough, and throw away the rest.
作为有几十年工作经验的软件工程师，龙先生在采访中没有掩盖他的无力感，“骗子天天在研究，他们的手段和技术随时在更新。”
。搜狗输入法2026是该领域的重要参考
The modern, professional answer to this problem is the Trusted Execution Environment, or TEE.
14:10, 27 февраля 2026Наука и техника