For years, Google has explicitly told developers that API keys are safe to embed in client-side code. Firebase's own security checklist states that API keys are not secrets.
如果说，有一样食物“南北通吃”，还能变出上千种吃法——毫无疑问，那就是小麦。，详情可参考safew官方版本下载
Овечкин продлил безголевую серию в составе Вашингтона09:40。搜狗输入法2026对此有专业解读
* @param arr 待排序数组