Ray's playground

摘要： A class template is a class that is implemented with one or more type parameters left open.To use a class template, you pass the open types as template arguments. The class template is then instantiat... 阅读全文

摘要： [代码]output: The number is 5.The number after 5 is 6.true[代码]output: Here is some text.To avoid triggering string interpolation, escape the hash characters or put the string in single quotes."\#{foo}"#... 阅读全文

摘要： [代码]output:key1 is val1key2 is val2[代码]output: 1 and a 2 and a 3 and a1 and a 2 and a 3[代码]output: 1|2|3 阅读全文

摘要： Templates are compiled twice: Without instantiation, the template code itself is checked for correct syntax. Syntax errors are discovered, such as missing semicolons.At the time of instantiation, the ... 阅读全文

摘要： Note: Remember to include sqlite source code in your project.Code highlighting produced by Actipro CodeHighlighter (freeware)http://www.CodeHighlighter.com/--1#include"sqlite3.h"2#include<iostream... 阅读全文

摘要： 下载Android SDK 1.5后，首先会遇到一个棘手问题，模拟器启动不了，控制台报“Failed to find an AVD compatible with target”错误。解决办法如下： 进入1.5 sdk目录下，－>tools->敲入命令“android create avd -nMyAndroid -t 2再次运行程序,成功 阅读全文

摘要： 问题描述6*9 = 42 对于十进制来说是错误的，但是对于13 进制来说是正确的。即, 6(13) * 9(13) = 42(13)， 而 42(13) = 4 * 131 + 2 * 130 = 54(10)。 你的任务是写一段程序读入三个整数p、q 和 r，然后确定一个进制 B(2<=B<=16) 使得 p * q = r. 如果 B 有很多选择, 输出最小的一个。例如： p = ... 阅读全文

摘要： Top C++, WPF, WCF, WF, ASP.net, Ajax Python Medium Design Pattern Algorithm SQL Server Low Java 阅读全文

摘要： Problem You like the C++ approach to I/O, based on ostreams and manipulators (special objects that cause special effects on a stream when inserted in it) and want to use it in your Python programs. So... 阅读全文

摘要： Problem You need to know the relative path from one directory to anotherfor example, to create a symbolic link or a relative reference in a URL. Solution Precondition itertools.izip(*iterables) Make ... 阅读全文