self.seen_urls.add(url)
可穿戴吊坠：AirTag 大小，可夹衣服或挂项链上。配备低分辨率摄像头和麦克风，被内部员工称为 iPhone 的「眼睛和耳朵」，依赖手机进行大部分处理；
，更多细节参见同城约会
The N-closest or N-best dithering algorithm is a straightforward solution to the N-candidate problem. As the name suggests, the set of candidates is given by the closest palette colours to the input pixel. To determine their weights, we simply take the inverse of the distance to the input pixel. This is essentially the inverse distance weighting (IDW) method for multivariate interpolation, also known as Shepard’s method. The following pseudocode sketches out a possible implementation:
Listen to Newsbeat live at 12:45 and 17:45 weekdays - or listen back here.，更多细节参见91视频
Credit: Samsung，详情可参考heLLoword翻译官方下载
bucketArr[k + 1] = bucketArr[k];