2019独角兽企业重金招聘Python工程师标准>>> long l; int a, b; l a*b; 因为 a*b 的结果仍然以 int 型保存, 所以即使 l 为long,仍然会有溢出,并且截去了部分数据.出现问题. 转载于:https://my.oschina.net/simon203/blog/175885
1. I18N原理 a) ResourceBundle和Locale的概念 b) 资源文件 c) native2ascii //test.javaimport java.util.Locale;
import java.util.ResourceBundle;public class Test {public static void main(String[] args) {ResourceBundle res ResourceBu…
JS自带函数concat将两个或多个字符的文本组合起来,返回一个新的字符串。var a "hello";var b ",world";var c a.concat(b);alert(c);//c "hello,world"indexOf返回字符串中一个子串第一处出现的索引(从左到右搜索&…
题目:http://acm.gdufe.edu.cn/Problem/read/id/1045 Elevator Time Limit: 2000/1000ms (Java/Others) Problem Description: The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote a…