hello_world_banni的博客

因为做题时，经常会混用几种语言的语法，导致难以察觉的错误，特记录如下： 1 三目运算符 C++ int main() { int x = 100; int y = x > 0 ? x : -x; int z = x ? x > 0 : -x; cout << "y : " << y << ",z : " << z << endl; } 输出： y : 100, z : 1 JAVA public cla

JUnit vs Mockito reference：MOCKITO: What is it and how is it different from Junit author：GhostCat JUnit is a framework that helps with writing and running your unit tests. JUnit是一个帮助编写和运行单元测试的框架。 Mockito (or any other mocking tool) is a framework that yo

2020-08-31 00:00:00 1598803200 2020/8/31 0:00 Number of Risk Merchants 2 =CONCATENATE("insert into `mytable` (`gmt_occur`,`name`,`count`) values ('",A3,"','",D3,"','",E3,"');") 显示结果为： insert into `mytable` (`gmt_occur`,`name`,`count`) val

JAVA下载 https://www.oracle.com/java/technologies/javase-downloads.html 系统变量配置