一、Android环境的安装与配置1、首先得安装Java JDK,进行java开发,首先要安装jdk,安装了jdk后还要进行环境变量配置:(1)、下载jdk(http://java.sun.com/javase/downloads/index.jsp),我下载的版本是:jdk-6u14-windows-i586.exe(2)、安装jdk-6u14-windows-i586.exe(3)、配置环境变量:右击“我的电脑”-->"高级"-->"环境变量"1)在系统变量里新建JAVA_HOME变量,变量值为:C:\Program Files\Java Read More
顺德IT男将茶几改装成32英寸平板,可隔玻璃触控操作。这样的牛人你见过吗? 一边喝茶一边玩电脑顺德乐从一位网名为“IT368”的IT男马先生,喝茶时突发奇想,想设计一台可以一边喝茶一边在茶几表面上操作的电脑。马先生花了几千元,用了半个多月,将自家用的茶几改装成一台32英寸大型平板电脑,上网、聊天、购物等功能样样俱备。据悉,马先生,今年40多岁,从事电脑硬件维修行业20年,自称IT界老宅男。趁着春节休假,马先生花了半个月的时间,将平板电脑的各个零部件和一个32英寸的液晶电视显示屏放置在茶几内,配备安卓4.1操作系统,存储容量6G,双核1.8G处理器,1G内存,分辨率1920×1080。 Read More
Problem Description Computer simulations often require random numbers. One way to generate pseudo-random numbers is via a function of the form seed(x+1) = [seed(x) + STEP] % MOD where '%' is the modulus operator. Such a function will generate pseudo-random numbers (seed) between 0 an... Read More
原题:题目描述 Let’s consider K-based numbers, containing exactly N digits. We define a number to be valid if its K-based notation doesn’t contain two successive zeros. For example: (1)1010230 is a valid 7-digit number; (2)1000198 is not a valid number; (3)0001235 is not a 7-digit number, it is a 4-di... Read More