好久没有写SQL CURSOR了,语法的有点生疏了。今天写了个玩玩。呵呵/*
Definition:
Customer had sales before, but there is no sales in the last six month.
e.g:
Before or in June has sales
From July to Dec – no sales
Customer lost i...
分类:
数据库 时间:
2015-01-22 00:22:23
阅读次数:
256
Tautology
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 9936
Accepted: 3774
Description
WFF 'N PROOF is a logic game played with dice. Each die has six...
分类:
其他好文 时间:
2015-01-10 08:51:58
阅读次数:
275
第6部分:继承与面向对象设计
面向对象语言有三大特性:继承,封装和多态。遥想当年,每次校招笔试的时候都会有的,但能够甚至这六个字内涵的人,不再多数。本部分概括的说,深入的讲解三大特性之一----继承性。本部分花的时间不少,也感觉挺有意思的。特别是针对某个条款编写个具体程序实现后,明白其所以然的时候,无疑是一种享受!...
分类:
编程语言 时间:
2014-12-31 20:13:20
阅读次数:
205
6.1.3 一个简单的GUI程序
package six;
import javax.swing.*;
import java.awt.*;
import java.awt.event.*;
public class Main {
private static int numclicks = 0; //记录次数
private static JFrame frame = new ...
分类:
编程语言 时间:
2014-12-28 18:19:32
阅读次数:
277
其实,使用它的直接原因是因为matlab太大了,不方便。另外,就是它是免费的。在安装这个库的时候,会需要安装一些它所依赖的库,比如six等。从sourceforge上下载,只需按照提示安装完成就行了。下边是第一个matplot的绘图实例,其中,数学方便的东西主要用到了numpy的东西。 很简单! 跟...
分类:
编程语言 时间:
2014-12-18 01:38:25
阅读次数:
264
Six Degrees of Cowvin Bacon
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 3131
Accepted: 1455
Description
The cows have been making movies lately, so t...
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其他好文 时间:
2014-12-08 12:26:54
阅读次数:
192
DescriptionWFF 'N PROOF is a logic game played with dice. Each die has six faces representing some subset of the possible symbols K, A, N, C, E, p, q,...
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其他好文 时间:
2014-11-20 21:35:28
阅读次数:
273
Journalists have the ability to state a thing more clearly. What can we learn from them to help us report or explain things like them?
There are six ways as follows:
1. Know your audie...
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其他好文 时间:
2014-11-19 01:59:04
阅读次数:
199