Description
Given four numbers, can you get twenty-four through the addition, subtraction, multiplication, and division? Each number can be used only once.
Input
The input consists of multi...
分类：
其他好文 时间：
2015-05-03 20:41:17
阅读次数：
136
Description
For the most of the university students，what they most want is that they can obtain 60 points from the final examination of every subject. Now, final examination is coming. As an excell...
分类：
其他好文 时间：
2015-05-03 20:40:06
阅读次数：
117
Given two strings s and
t, determine if they are isomorphic.
Two strings are isomorphic if the characters in
s can be replaced to get t.
All occurrences of a character must be replaced with anoth...
分类：
其他好文 时间：
2015-05-03 14:42:39
阅读次数：
126
There are vaious strategies to locate elements in a page. You can use the most appropriate one for your case. Selenium provides the following methods ...
分类：
其他好文 时间：
2015-05-03 11:55:26
阅读次数：
137
1.1. Simple UsageIf you have installed Selenium Python bindings, you can start using it from Python like this.from selenium import webdriverfrom selen...
分类：
其他好文 时间：
2015-05-03 11:50:36
阅读次数：
179
Oracle数据库，scott用户，select * from tab 用户中有四张表，部门表dept，员工表emp，工资表bonus,工资等级表:salegrade,sql语句的学习主要是在这几张表中。数据库语言分为数据操纵语言DML（data manipulation language）用于.....
分类：
其他好文 时间：
2015-05-03 00:44:11
阅读次数：
165
Description
A thief is running away!
We can consider the city where he locates as an undirected graph in which nodes stand for crosses and edges stand for streets. The crosses are labeled from 0 ...
分类：
其他好文 时间：
2015-05-02 22:06:46
阅读次数：
204
The Bad Luck Island is inhabited by three kinds of species: r rocks, s scissors and p papers. At some moments of time two random individuals meet (all pairs of individuals can meet equiprobably), and i...
分类：
其他好文 时间：
2015-05-02 13:56:55
阅读次数：
165
This tutorial covers integrating Oracle Goldengate (OGG) with Oracle Data Integrator 12c (ODI). ODI knows about and can control OGG, OGG does not know...
分类：
数据库 时间：
2015-05-02 11:08:18
阅读次数：
217
This demo illustrates how you can move and transform all your data using Oracle Data Integration - whether that data resides in Oracle Database, Hadoo...
分类：
数据库 时间：
2015-05-02 11:07:00
阅读次数：
179
