格林威治时间即UTC/GMT时间,1970年01月01日00时00分00秒(即UTC+8的北京时间1970年01月01日08时00分00秒)计算代码如下: /** * 获取指定时间到格林威治时间的秒数 * UTC:格林威治时间1970年01月01日00时00分00秒(UTC+8北京时间1970年01月01日08时00分00秒) * @param time * @return */ public static long diffSeconds(String time){ Calendar cale…

Leetcode 542:01 矩阵 01 Matrix### 题目: 给定一个由 0 和 1 组成的矩阵,找出每个元素到最近的 0 的距离. 两个相邻元素间的距离为 1 . Given a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell. The distance between two adjacent cells is 1. 示例 1: 输入: 0 0 0 0 1 0 0 0 0 输出…

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本博客内容来自 Stanford University CS231N 2017 Lecture 2 - Image Classification 课程官网:http://cs231n.stanford.edu/syllabus.html 从课程官网可以查询到更详细的信息,查看视频需要FQ上YouTube,如果不能FQ或觉得比较麻烦,也可以从我给出的百度云链接中下载. 课程视频&讲义下载:http://pan.baidu.com/s/1gfu51KJ 问题背景 现在我有一张关于猫的图片,如何让计算…

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Given a matrix consists of 0 and 1, find the distance of the nearest 0 for each cell. The distance between two adjacent cells is 1. Example 1: Input: 0 0 0 0 1 0 0 0 0 Output: 0 0 0 0 1 0 0 0 0  Example 2: Input: 0 0 0 0 1 0 1 1 1 Output: 0 0 0 0 1 0…