[译]Vulkan教程(10)交换链 Vulkan does not have the concept of a "default framebuffer", hence it requires an infrastructure that will own the buffers we will render to before we visualize them on the screen. This infrastructure is known as the swap chai
You are given an n x n 2D matrix representing an image. Rotate the image by 90 degrees (clockwise). Follow up:Could you do this in-place? 在计算机图像处理里,旋转图片是很常见的,由于图片的本质是二维数组,所以也就变成了对数组的操作处理,翻转的本质就是某个位置上数移动到另一个位置上,比如用一个简单的例子来分析: 1 2 3 7 4 1 4 5 6 -
Codeforces Round #354 (Div. 2) Problems # Name A Nicholas and Permutation standard input/output 1 s, 256 MB x3384 B Pyramid of Glasses standard input/output 1 s, 256 MB x1462 C Vasya and String standard input/output 1 s, 256 MB x1393
A.Relic Discovery_hdu5982 Time Limit: 2000/1000 MS (Java/Others) Memory Limit: 65536/65536 K (Java/Others)Total Submission(s): 57 Accepted Submission(s): 49 Problem Description Recently, paleoanthropologists have found historical remains on an
- (UIImage *)fixOrientation { // No-op if the orientation is already correct if (self.imageOrientation == UIImageOrientationUp) return self; // We need to calculate the proper transformation to make the image upright. // We do it in 2 steps: Rotate i