A. Karen and Morning time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output Karen is getting ready for a new school day! It is currently hh:mm, given in a 24-hour format. As you know, Karen loves…

set ANSI_NULLS ON set QUOTED_IDENTIFIER ON go -- ============================================= -- Author: *** -- Create date: 2014-03-27 20:00 -- Description: 采用最新的 row_number() over 技术高效分页方法 -- ============================================= ALTER PRO…

做save与update的方法合并操作时,判断条件是主体对象的ID是否存在. 但是当页面中,涉及到多个主体对象的关联对象时,情况变得复杂起来,特总结项目中的几点 一.页面中的VO对象属性可以分为三类:1.需要在页面中显示的主体对象属性, 需要在页面中显示的主体关联对象的属性 ,不需要显示的隐藏属性(包括主体对象和关联对象的主键,不需要在页面显示的剩下的所有主体和关联对象的属性),简单说vo就是包括主体对象和关联对象的所有属性,但是在页面需要划分. 二.做保存,需要从vo对象转换为主体对象,这个操…

第一部分:编码基础 为什么需要编码:用计算机看得懂的语言(二进制数)表示各种各样的字符. 一.基本概念 ASCII.Unicode.big5.GBK等为字符集,它们只定义了这个字符集内有哪些字符,以及分别用什么数字表示. 而UTF-8与UTF-16则定义了Unicode字符集如何使用计算机看得懂的语言进行传输和保存. 例如: Unicode 字符 U+00A9 = 1010 1001 (版权符号) 在 UTF-8 里的编码为:        11000010 10101001 = 0xC2 0x…

一.规划 (一)硬件资源 10.171.29.191 master 10.173.54.84  slave1 10.171.114.223 slave2 (二)基本资料 用户:  jediael 目录:/opt/jediael/ 二.环境配置 (一)统一用户名密码,并为jediael赋予执行所有命令的权限 #passwd # useradd jediael # passwd jediael # vi /etc/sudoers 增加以下一行: jediael ALL=(ALL) ALL (二)创建…

1.Shell$ExitCodeException 现象:运行hadoop job时出现如下异常: 14/07/09 14:42:50 INFO mapreduce.Job: Task Id : attempt_1404886826875_0007_m_000000_1, Status : FAILED Exception from container-launch: org.apache.hadoop.util.Shell$ExitCodeException:  org.apache.hado…

C. Karen and Game time limit per test 2 seconds memory limit per test 512 megabytes input standard input output standard output On the way to school, Karen became fixated on the puzzle game on her phone! The game is played as follows. In each level,…

B. Karen and Coffee time limit per test 2.5 seconds memory limit per test 512 megabytes input standard input output standard output To stay woke and attentive during classes, Karen needs some coffee! Karen, a coffee aficionado, wants to know the opti…

Pie Time Limit: 5000/1000 MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 109 Accepted Submission(s): 52   Problem Description My birthday is coming up and traditionally I'm serving pie. Not just one pie, no, I have a…

Basic Time Limit: 1000MS Memory Limit: 65536K Total Submissions: 905 Accepted: 228 Description The programming language Ada has integer constants that look like this: 123, 8#123#, 16#abc#. These constants represent the integers 123, 83 (123 base 8) a…

Gold Coins Time Limit: 1000MS   Memory Limit: 30000K Total Submissions: 21767   Accepted: 13641 Description The king pays his loyal knight in gold coins. On the first day of his service, the knight receives one gold coin. On each of the next two days…

目录 1. 条款与条件 2. 功能 3. 元数据.评级与排名 4. 位置 5. 推送通知 6. 游戏中心 7. 广告 8. 商标与商业外观 9. 媒体内容 10. 用户界面 11. 购买与货币 12. 抓取与聚合 13. 设备损害 14. 人身攻击 15. 暴力 16. 令人反感的 17. 隐私 18. 色情 19. 宗教.文化与种族 20. 竞赛.赌金.抽奖以及奖券 21. 慈善与援助 22. 法律要件 1. 条款和条件 1.1 为App Store开发程序,开发者必须遵守程序许可协议(PLA…

Employment Planning Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 65536/32768 K (Java/Others) Total Submission(s): 5151    Accepted Submission(s): 2208 Problem Description A project manager wants to determine the number of the workers neede…

本文由 伯乐在线 - 淘小米 翻译,Daetalus 校稿.未经许可,禁止转载!英文出处:freepythontips.wordpress.com.欢迎加入翻译小组. Hi 朋友们.由于我最近都比较忙,所以已经很长一段时间没有写博客了.在这篇文章中我将和大家分享一些真正有用的技巧和窍门,这些技巧和窍门你们之前可能并不知道.所以不浪费时间了,让我们直接来看看这些内容吧: 枚举 之前我们这样操作: 1 2 3 4 i = 0 for item in iterable:     print i, it…

Injector Job的主要功能是根据crawlId在hbase中创建一个表,将将文本中的seed注入表中. (一)命令执行 1.运行命令 [jediael@master local]$ bin/nutch inject seeds/ -crawlId sourcetest InjectorJob: starting at 2015-03-10 14:59:19 InjectorJob: Injecting urlDir: seeds InjectorJob: Using class org.…

http://www.w3school.com.cn/xhtml/xhtml_structural_01.asp 我们曾经为本节撰写的标题是:"XHTML : 简单的规则,容易的方针."原因之一是,本节讨论的规则和方针是简单和容易的.原因之二是,一本简单和容易的 WEB 设计图书,就像超级市场的新式的免费商品一样,虽然常见却可以有效地吸引人的眼球,这样的东西可以刺激人的兴趣,并且鼓励人们尝试. 我确实希望本节的内容可以激发你的兴趣,并鼓励你去尝试.为什么这么说呢?因为一旦你掌握了本章包…

问题一:多线程下获取文件绝对路径 当我们使用HttpContext.Current.Server.MapPath(strPath)获取绝对路径时HttpContext.Current为null,解决办法如下:       ///          /// 获得当前绝对路径         ///          /// 指定的路径         /// 绝对路径         public static string GetMapPath(string strPath)         {…

问题一:多线程下获取文件绝对路径 当我们使用HttpContext.Current.Server.MapPath(strPath)获取绝对路径时HttpContext.Current为null,解决办法如下:       ///          /// 获得当前绝对路径         ///          /// 指定的路径         /// 绝对路径         public static string GetMapPath(string strPath)         {…

1.下载Qrcode库源码,下载地址:http://www.codeproject.com/Articles/20574/Open-Source-QRCode-Library 2.打开源码时,部分类库可能会加载失败,不用理会,只需正常加载 QRCodeLib.QRCodeSampleApp 即可. 3.生成时,会提示编译出错,Error'ThoughtWorks.QRCode.Properties.Resources' does not contain a definition for 'Get…

a problem where OO seems more natural to me, implementing a utility class not instantiable. how to prevent instantiation, thanks to http://stackoverflow.com/questions/10558393/prevent-instantiation-of-an-object-outside-its-factory-method/10558404#105…

VisualSVN Server可以用WMI接口管理(Windows Management Instrumentation). VisualSVN Server安装的计算机中,位于%VISUALSVN_SERVER%\WMI下的MOF文件描述了该接口.可以用C#代码控制管理VisualSVN Server. 我机器VisualSVN安装在D盘,MOF文件存在位置:D:\Program Files\VisualSVN Server\WMI\VisualSVNServer.mof 下面一些代码供参考…

Find The Multiple Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 21851 Accepted: 8984 Special Judge Description Given a positive integer n, write a program to find out a nonzero multiple m of n whose decimal representation contains only t…

DZY Loves Chemistry time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chemistry, and he enjoys mixing chemicals. DZY has n chemicals, and m pairs of them will react. He wants to pou…

DZY Loves Chessboard time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output DZY loves chessboard, and he enjoys playing with it. He has a chessboard of n rows and m columns. Some cells of the ches…

time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Susie loves strings. Today she calculates distances between them. As Susie is a small girl after all, her strings contain only digits…

Toy Cars time limit per test 1 second memory limit per test 256 megabytes input standard input output standard output Little Susie, thanks to her older brother, likes to play with cars. Today she decided to set up a tournament between them. The proce…

Ultra-QuickSort Time Limit: 7000MS   Memory Limit: 65536K Total Submissions: 48111   Accepted: 17549 Description In this problem, you have to analyze a particular sorting algorithm. The algorithm processes a sequence of n distinct integers by swappin…

Drainage Ditches Time Limit: 1000MS Memory Limit: 10000K Total Submissions: 62016 Accepted: 23808 Description Every time it rains on Farmer John's fields, a pond forms over Bessie's favorite clover patch. This means that the clover is covered by wate…

Time Limit: 1000MS   Memory Limit: 65536K Total Submissions: 9971   Accepted: 3347 Description The Borg is an immensely powerful race of enhanced humanoids from the delta quadrant of the galaxy. The Borg collective is the term used to describe the gr…

Counterfeit Dollar Time Limit: 1000MS   Memory Limit: 10000K Total Submissions: 41559   Accepted: 13237 Description Sally Jones has a dozen Voyageur silver dollars. However, only eleven of the coins are true silver dollars; one coin is counterfeit ev…