time(); 当前时间的UNIX时间戳,也就是从有UNIX开始到现在的秒数。 gettimeofday(); 内置函数生成的数组, 你再$timeEnd = gettimeofday(); 下面加上 print_r($timeEnd); exit; 看看这个数组里都有些什么. "... 解析看不懂?免费查看同类题视频解析查看解答 特别推荐 热点考点 2022年高考真题试卷汇总 2022...
(.text._gettimeofday_r+0xe): warning: _gettimeofday is not implemented and will always fail when I upgrade the STM32CubeIde from version 1.11.0 to 1.13.0. I figure out this error is generate when I init the rclc_executor...rclc_executor_init(&main_executor, &support.context, 5, &...
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