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吾生也有涯，而知也无涯
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https://stackoverflow.com/questions/35479903/swift\-download\-a\-video\-from\-distant\-url\-and\-save\-it\-in\-an\-ph...
Read More →HTTP请求添加header
``` return [self POST:@"" parameters:requestDic headers:@{@"onlycode": deviceId ? deviceId : @""} progress:nil...
Read More →masonry设置自适应高度的header
https://blog.csdn.net/science\_Lee/article/details/102488623 ``` uitableview header 代码 - (void)createViews { [self...
Read More →将图片变为黑白色
``` /// 将图片变为灰色 + (UIImage *)lm_grayImage:(UIImage *)image { //滤镜处理 //CIPhotoEffectNoir黑白 //CIPhotoEffectMono单色...
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