1.boolen 布尔类型 let boolen1: boolen = false; 2.number 数字类型 let num1: number = 0b110;//二进制 let num2: number = 10;//十进制 3.string 字符串类型 let str1: string = `姓名:${name}` 4.array 数组类型 let arr1: Array<number> = [1,2,3]; let arr2:number[] = [1,2,3]; 5.tuple 元
int左移32位的行为未定义 Coverity 代码静态安全检测 Is Shifting more than 32 bits of a uint64_t integer on an x86 machine Undefined Behavior? uint64_t s = 1 << 32; uint64_t s = 1ULL << 32; Note, however, that if you write a literal that fits into 32 bits, e.g. u
javascript 取小数点后几位方法总结 Javascript取float型小数点后两位,例22.123456取成22.12,如何做? 1.通过substring截取. function getnum() { var num = 22.123456; var result = num.substring(0,s.indexOf(".")+3); alert(result); } 2. 正则表达式. function getnum() { var num = 22.123456; v
Problem Description 话说MCA山上各路豪杰均出山抗敌,去年曾在江湖威名显赫的,江湖人称<万军中取上将首级舍我其谁>的甘露也不甘示弱,"天将降大任于斯人也,必先劳其筋骨,饿其体肤,空乏其身"他说.可惜,由于去年取上将首级时不慎右手右关节第七次骨折,养伤达一年之久,空有一腔抱负却壮志难酬,如今天下危亡,习武之人又怎能袖手旁观,于是他决定出山协助威士忌共抗辽贼,这时他的对头枫冰叶子出现,两人都是水属性,但由于十年前的一场恩怨(这是后话)势成水火. 枫冰叶子要求
CultureInfo ci = new CultureInfo("en-US"); DateTime now = DateTime.Now; for (int i = 0; i < 12; i++) { string month = now.ToString("MMM",ci); now = now.AddMonths(1); }