Web0x7fs/NSArray-firstObject:带有firstObject的NSArray类. 有现代的Objective C语法,让我们更容易创建和检索对象。1. 2014-01-27 19:53:51.555 数组[25037] 第一个对象:Eezy … Web所谓归档:将复杂对象转化为NSData类型数据(复杂-->归档-->NSData--->WriteToFile)注意:归档是将对象转化为数据字节,以文件的形式存储在磁盘上,所谓反归档:将NSData类型数据转化为复杂对象(读取文件-->NSData-->反归档--->复杂对象)再说归档之前,先说下iOS的…
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WebiOS tableView 曝光埋点去重逻辑_ios 曝光埋点_刘小哈哈哈的博客-程序员宝宝. 技术标签: objective-c iOS ios iphone Web// Swift 3.0 func createPhotoOnAlbum(photo: UIImage, album: PHAssetCollection) { PHPhotoLibrary.shared().performChanges({ // Request creating an asset from the image let createAssetRequest = PHAssetChangeRequest.creationRequestForAsset(from: photo) // Request editing the album guard let albumChangeRequest = … find my beats pro
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Web9 mrt. 2014 · Array holding objects of ClassA: NSArray *arrayA = [NSArray arrayWithObjects:a1, a2, a3, nil]; className: ClassB. Array holding objects of ClassB: … Web27 feb. 2013 · If you particularly want this to be part of an array, make it a category : @interface NSArray (firstObject) - (id)firstObject; @end @implementation NSArray … WebIos UISearchBar范围栏背景图像可设置,但不可设置其颜色?,ios,swift,uisearchbar,Ios,Swift,Uisearchbar,我一直在尝试上面的代码,试图获取对scopeBar的引用,并随后设置其背景色,但我无法获取引用。 ergonomic gym wear