QImage类学习
Qt provides four classes for handling image data: QImage, QPixmap, QBitmap and QPicture.
Qt提供了4个类来处理图像数据:QImage,QPixmap,QBitmap和
QPicture.
QImage is designed and optimized for I/O, and for direct pixel access and m…
代码:
package dl;import java.io.*;
import java.util.Random;/** Matrix factorization for recommender systems.*/public class MatrixFactorization {/*** Used to generate random numbers.*/Random rand new Random();/*** Number of users.*/int numUsers…