WebThere is a much easier solution, if you take advantage of the built-in reverseObjectEnumerator method on NSArray, and the allObjects method of NSEnumerator: NSArray* reversedArray = [[startArray reverseObjectEnumerator] allObjects]; For reversing a mutable array, you can add the following category to your code: WebWe'll use the fact that reverseObjectEnumerator is pre-supplied and every NSEnumerator implements allObjects, which returns a new array. And while there's no native randomObjectEnumerator, you can write a custom enumerator that shuffles the array or use some great open source options . Sorting Arrays There are various ways to sort an array.

[Solved] remove object from NSArray 9to5Answer

Web16 aug. 2024 · iOS 数组遍历的同时移除元素(reverseObjectEnumerator) 之前数组遍历的同时，想同时移除元素，我们是不能直接通过for循环来删除的，一不小心就崩溃。 一般我 … Web概述. 一说到文件上传，想必大家都并不陌生，更何况是利用AFNetworking（PS：后期统称AF）来做，那更是小菜一碟。 比如开发中常见的场景:头像上传，九宫格图片上传...等等，这些场景无一不使用到文件上传的功能。如果利用AF来实现，无非就是客户端调用AF提供的文件上传接口即可，API如下所示： something something theater tucson

iOS: Fix dequeueTasks crash in image loader #11296

WebHere is an example for fast enumeration. Now when we compile and run the program, we will get the following result. 2013-09-28 06:26:22.835 demo [7426] Value: string1 2013 … WebModern Objective C Array notations. There is modern Objective C syntax that makes it easier for us to create and retrieve objects. Xcode actually changes to required format in build time. The syntax for initialization and accessing is as shown below. 1 2 3 4 // initialization NSArray *array = @ [@"Eezy", @"Tutorials"]; // access value at index 0 Webif (@available(iOS 13.0, *)) { NSEnumerator *frontToBackWindows = [UIApplication.sharedApplication.windows reverseObjectEnumerator]; for (UIWindow *window in ... something something by maxwell