春节期间，手里难免沾上油烟、糖霜或者护手霜，手机镜头大概率是蒙着一层油污的。带着油污去拍照，所有的灯光都会变成乱七八糟的眩光，画面也是雾蒙蒙的，再精通后期也救不回来。所以，在掏出手机准备记录美好瞬间之前，先用衣服下摆或者纸巾，用力地、仔细地把镜头擦干净。
2. 创建计数数组count，统计每个值出现次数
。爱思助手下载最新版本是该领域的重要参考
Facial recognition
MorphCostumes has scoured the world for alternatives to Chinese production, including Vietnam, Bangladesh, and Cambodia. None offer the deep expertise in everything from cloth-sourcing to zip-making that is available in China, often in the necessarily small batches needed for fast-moving consumer goods.
The Guardian’s Jenna Amatulli talks to Rolling Stone’s Nikki McCann Ramírez about Trump’s claims, the Democrats’ rebuttal, and how the speech will land with a divided nation