leetcode(2) Reverse Integer difficult:easy #728Given a 32-bit signed integer, reverse digits of an integer.Example 1:12Input: 123Output: 321Example 2:12Input: -123Output: -321Example 3:12Input: 120Output: 21Note:Assume we are de 2018-07-06 leetcode #leetcode
leetcode(1) Two-Sum difficult:easy #1Given an array of integers, return indices of the two numbers such that they add up to a specific target.You may assume that each input would have exactly one solution, and you may no 2018-07-06 leetcode #leetcode
Docker指南 Docker简介问题引入:当我们在本机开发好应用程序以后需要发布到服务器,但是服务器并非和我们本机系统有着一样的运行环境,如缺少数据库、缺少各种依赖包、依赖软件版本过低等等问题,需要花很长时间重新在服务器配置好运行环境,得不偿失.那么有没有方法能够将我们开发程序时本机上所有的运行环境打包,直接部署到服务器上程序就能运行的机制呢? Docker 让开发者可以打包他们的应用以及依赖包到一个可移植 2018-06-13 docker #docker
opencv3(1-2) linux配置opencv3开发环境 环境ubuntucmakecmake-guiopencv-3.3.1 下载地址:https://opencv.org/releases.htmlopencv_contrib-3.3.1 下载地址:https://github.com/opencv/opencv_contrib/releases 准备工作 更新系统12sudo apt-get updatesudo apt-get upgrade 安 2018-03-11 opencv3 #opencv3