随着人们对用户体验越来越重视，Web开发已经不满足于2D效果的实现，而把目标放到了更加炫酷的3D效果上。Three.js是用于实现web端3D效果的JS库，它的出现让3D应用开发更简单，本文将通过Three.js的介绍及示例带我们走进3D的奇妙世界。一、Three.js相关概念1.1Three.JSThree.JS是基于

在mysql中，round函数用于数据的四舍五入，它有两种形式：1、round(x,d) ，x指要处理的数，d是指保留几位小数这里有个值得注意的地方是，d可以是负数，这时是指定小数点左边的d位整数位为0,同时小数位均为0；2、round(x) ,其实就是round(x,0),也就是默认d为0；下面是几个实例1、查询: selectr

在上一篇(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fmp.weixin.qq.com%2Fs%3F__biz%3DMzI0MDE3MjAzMg%3D%3D%26mid%3D2648393620%26idx%3D1%26sn%3Db01162a67817a46f86218c07190c

Maven相关的概念Maven介绍(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fmp.weixin.qq.com%2Fs%3F__biz%3DMzU5Njc3NDE1Nw%3D%3D%26mid%3D2247488557%26idx%3D1%26sn%3Dc0406

在上次：应用支持谷歌官方AppBundle格式探索实践之路(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fmp.weixin.qq.com%2Fs%3F__biz%3DMzA3MjM1MjUxNw%3D%3D%26mid%3D2461754969%26idx%3D1%26sn%3

!图片(https://oscimg.oschina.net/oscnet/7a1397be2012e75f3db8a8d9d752b88211c.png)原文链接：https://hackernoon.com/the2018devopsroadmap31588d8670cb(https://www.oschina.net/actio

前言前一章我们介绍过《COpenCV特征提取之KAZE检测(https://www.oschina.net/action/GoToLink?urlhttp%3A%2F%2Fmp.weixin.qq.com%2Fs%3F__biz%3DMzA4Nzk0NTU0Nw%3D%3D%26mid%3D2247485573%26idx%3D1

算数运算Java代码：publicvoidnum(intb){intab;booleanb1true;Log.d("MainActivity","ab"(ab));Log.d("MainActivity","ab"(ab)

本系列持续更新。!(https://oscimg.oschina.net/oscnet/a43214d8507685503ab3a97c404ea79146d.jpg)