After 13 years of JavaScript, I finally have a way to remember how the comparator function in Array.sort() works.使用JavaScript 13 年之后,我终于有办法记住 Array.sort() 中的比较器函数是如何工作的。I think the trouble is that all the examples use this shorthand syntax....
; }]; sortedArray是排好序的时间对象数组// 按时间排序NSArray*sortedArray = [srcArrarysortedArrayUsingComparator:^(id... release]; //第一种排序NSArray*array= [sortArraysortedArrayUsingComparator:cmptr]; NSMutableString 芒果iOS开发之NSComparisonResult比较结果 ...
I think it has something to do with this method: NSArray*sortedArray =[drinkDetails sortedArrayUsingSelector:@selector(???)]; In Java I would make my object implement Comparable, or use Collections.sort with an inline custom comparator...how on earth do you do this in Objective-C? Anw...
util.Comparator; import java.util.List; public class SortJsonArrayWithLibrary { public static void main(String[] args) { // Step 1: Create a JSON array JSONArray originalArray = new JSONArray(); originalArray.put(new JSONObject() .put("name", "Zara") .put("age", 28)); original...
[str lengthOfBytesUsingEncoding : NSUTF8StringEncoding]); // 获取 前 5 个字符组成的字符串 NSString * str5 = [str3 substringToIndex : 5]; // 获取 从 第五个字符开始的字符串 NSString * str6 = [str3 substringFromIndex : 5]; // 获取 从 第五个 到 第九个 字符串 NSString * str...
- (NSArray *)sortedArrayUsingFunction:(NSInteger (*)(id,id, void *))comparator context:(void *)context hint:(NSData *)hint; NSData *dat = [array sortedArrayHint]; NSArray *a = [array sortedArrayUsingFunction:sortType context:nil hint:dat]; ...
Learn toarrange an array of strings alphabeticallyusingStream.sorted()andArrays.sort()methods. Also, learn to reverse sort usingComparator.reverseOrder(). 1. Stream.sorted() – Java 8 Java 8 stream APIshave introduced a lot of exciting features to write code in very precise ways which are mo...
使用sortUsingFunction:context:可能是最常用的方式,绝对是最难以理解的方式. (9认同) 也许,但我认为对于那些可能正在寻找类似于Java的抽象Comparator类(类似于obj1,类型obj2)的人来说,Java背景中的某些人可读性不高. (6认同) 我理解你们有几个人正在寻找批评这个完美答案的任何理由,即使这种批评具有很少的技术...
(void)sortUsingFunction:(NSInteger (*)(ObjectType, ObjectType, void * __nullable))compare context:(nullable void *)context; //进行数组排序 - (void)sortUsingSelector:(SEL)comparator; //插入一组元素 - (void)insertObjects:(NSArray<ObjectType> *)objects atIndexes:(NSIndexSet *)indexes; //删除...
arr= [arr sortedArrayUsingComparator:cp];for (NSString *obj in arr){ NSLog(@"%@",obj);} // 2014-02-21 17:15:38.652 SortArrayDemo[2867:70b] a14 // 2014-02-21 17:15:38.652 SortArrayDemo[2867:70b] a17 // 2014-02-21 17:15:38.652 SortArrayDemo[2867:70b...