题目描述 解析:
class Foo {public int a 0;public Foo() {}public void first(Runnable printFirst) throws InterruptedException {// printFirst.run() outputs "first". Do not change or remove this line.printFirst.run();a;}public void second…
1.OSI模型简介(七层网络模型)
OSI 模型(Open System Interconnection model):一个由国际标准化组织提出的概念模型,试图提供一个使各种不同的计算机和网络在世界范围内实现互联的标准框架。 它将计算机网络体系结构划分为七层,每…
Recently, self-supervised learning (SSL) has achieved tremendous success in learning image representation. Despite the empirical success, most self-supervised learning methods are rather “inefficient” learners, typically taking hundreds of training epoch…