消耗时间如下: copy:59.374s,constrainecopy:48.415 s,blockcopy:23.219s 代码没什么就是测试下,核心测试如下: int[] ints = { 1534, 233, 332, 423, 524, 3246, 4357, 734, 567, 43, 34254, 325, 3325, 2423, 345, 575, 235, 1, 342, 1, 6, 54645, 5432, 5 }; int[] dest = new int[...
The NSPredicate class is used to define logical conditions used to constrain a search either for a fetch or for in-memory filtering. NSPredicate类是用来定义逻辑条件约束的获取或内存中的过滤搜索。 可以使用谓词来表示逻辑条件,用于描述对象持久性存储在内存中的对象过滤。其实意思就是:我是一个过滤器,不...
min_gallop; let merged = []; for (;;) { let acount = 0; /* # of times A won in a row */ let bcount = 0; /* # of times B won in a row */ // do sequential comparing first, util it fulfils the galloping constrain do { if (b[0] < a[0]) { merged.push(b.shift...
printf(" constrain bbox= %s width=%f%n", bbox.toString2(), bbox.getWidth()); SubsetParams params = new SubsetParams().setLatLonBoundingBox(bbox).setTimePresent(); GeoReferencedArray geo = coverage.readData(params); CoverageCoordSys gcs2 = geo.getCoordSysForData(); Assert.assertNot...
// 官方用法:@property(nonatomic,strong)MASConstraint*topConstraint;[view1 mas_makeConstraints:^(MASConstraintMaker*make){self.topConstraint=make.top.equalTo(superview.mas_top).with.offset(padding.top);make.left.equalTo(superview.mas_left).with.offset(padding.left);}];[self.topConstraint uninstal...
C#把某个数组的一部分复制到另一个数组中的两种方法:Buffer.BlockCopy和Array.Copy,对指定数组和目标数组,两者类型一致的前提下,进行复制10亿次,消耗时间如下:copy:59.374s,constrainecopy:48.415s,blockcopy:23.219s代码没什么就是测试下,核心测试如下:int[] ints =
对指定数组和目标数组,两者类型一致的前提下,进行复制10亿次, 消耗时间如下: copy:59.374s,constrainecopy:48.415 s,blockcopy:23.219s 代码没什么