C中只能有一个实例的单例类
前面讨论的 President 类很不错,但存在一个缺陷:无法禁止通过实例化多个对象来创建多名总统: President One, Two, Three; 由于复制构造函数是私有的,其中每个对象都是不可复制的,但您的目…
原文:What Are Transformer Models and How Do They Work?
Transformer模型是机器学习中最令人兴奋的新发展之一。它们在论文Attention is All You Need中被介绍。Transformer可以用于写故事、文章、诗歌,回答问题,翻译语言,与人…
【题目来源】http://acm.hdu.edu.cn/showproblem.php?pid2648【题目描述】 Every girl likes shopping,so does dandelion.Now she finds the shop is increasing the price every day because the Spring Festival is coming .She is fond of a shop which is called "m…