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PAT Advanced Level 1053 Path of Equal Weight
Given a non-empty tree with root R, and with weight W~i~ assigned to each tree node T~i~. The weight of a path from R to L is defined to be the sum of ...
分类:其他好文   时间:2018-08-16 19:47:31    阅读次数:180
Genymotion、 uiautomatorviewer、 appium报错
Genymotion模拟器启动时报错: Unable to start the virtual device.The virtual device got no IP address.The VirtualBox DHCP server has not assigned an IP address ...
分类:移动开发   时间:2018-08-15 22:52:50    阅读次数:317
POJ - 1274 The Perfect Stall
Description Farmer John completed his new barn just last week, complete with all the latest milking technology. Unfortunately, due to engineering prob ...
分类:其他好文   时间:2018-08-14 19:56:09    阅读次数:178
(三)详解对象-关系映射文件
一、Hibernate中持久化类编写规范 二、对象标识符 三、对象-关系映射文件 Hiernate采用XML格式的文件来指定对象和关系数据之间的映射。Hibernate通过这个文件来生成各种sql语句。 命名规则为 实体类名.hbm.xml 应该和实体类放在同一目录下。 ...
分类:其他好文   时间:2018-08-09 22:05:42    阅读次数:165
PAT 1026 Table Tennis[比较难]
A table tennis club has N tables available to the public. The tables are numbered from 1 to N. For any pair of players, if there are some tables open ...
分类:其他好文   时间:2018-08-08 13:43:53    阅读次数:472
codeforces 914E Palindromes in a Tree(点分治)
You are given a tree (a connected acyclic undirected graph) of n vertices. Vertices are numbered from 1 to n and each vertex is assigned a character f ...
分类:其他好文   时间:2018-08-07 13:10:27    阅读次数:189
OddString(ABC072&ARC082)
题目描述 You are given a string s consisting of lowercase English letters. Extract all the characters in the odd-indexed positions and print the string ob ...
分类:其他好文   时间:2018-07-29 20:01:28    阅读次数:170
sublime text3如何在浏览器预览?
插件: view-in-browser CTRL + ALT + V 打开浏览器 默认打开firefox,settings里面可修改。 Sublime Text - View In Browser View In Browser is a Sublime Text plugin that will ...
分类:其他好文   时间:2018-07-27 18:10:44    阅读次数:246
OCP题库升级,新版的052考试题及答案整理-18
18、YouwanttoInstallOracle11gdatabasesoftwareandcreateadatabaseonASMImmediatelyaftertheInstall.YourplanistoinstallbothOracledatabaseandGridInfrastructure.Whichtwoaretrueinthisscenario?A)GridInfrastruct
分类:其他好文   时间:2018-07-24 11:54:53    阅读次数:139
hibernate框架学习之主键生成策略generator
1)手工控制 assigned(不限制类型) 2)数据库自动生成 uuid(字符串类型) increment(整型数值类型) identity (整型数值类型) sequence (整型数值类型) native(整型数值类型) assigned策略是由程序员手工控制输入数据模型OID的一种id生成策 ...
分类:Web程序   时间:2018-07-22 11:34:30    阅读次数:169
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