Problem Description
Bob enjoys playing computer games, especially strategic games, but sometimes he cannot find the solution fast enough and then he is very sad. Now he has the following problem. H...
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其他好文 时间:
2014-10-25 18:51:18
阅读次数:
204
数据库就好比水源,存储了大量的数据。Connection好比伸进水的水龙头,与水进行了连接。Command像抽水机,为抽水提供动力和执行方法,然后把水返给上面的水管。DataAdapter通过发动机,把水送到水库里面。DataReader把水送到用户。DataSet对象是一个大水库,即使断开连接,水仍然存在。DataTable对象是水库中的独立的水池子。
1、首先建立与数据库的连接
MySql...
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数据库 时间:
2014-10-25 09:20:57
阅读次数:
291
启动android模拟器时.有时会报The connection to adb is down, and a severe error has occured.的错误.在网友说在任务管理器上把所有adb.exe关闭掉.重启eclipse.但试过不管用.所以在外国网站上找到一种可行的方法:1.先把ec...
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数据库 时间:
2014-10-24 22:05:09
阅读次数:
322
Update July 2011:?This list has been reviewed and made current with the most recent Eclipse 3.7 release. If you are a Java developer and use the new @SuppressWarnings annotation in your code from...
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其他好文 时间:
2014-10-24 20:54:22
阅读次数:
214
传送门Halloween Costumes Time Limit:2000MS Memory Limit:32768KB 64bit IO Format:%lld & %lluAppoint description:DescriptionGappu has a ...
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其他好文 时间:
2014-10-24 20:39:58
阅读次数:
183
Find the contiguous subarray within an array (containing at least one number) which has the largest sum.For example, given the array[?2,1,?3,4,?1,2,1,...
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其他好文 时间:
2014-10-24 18:14:41
阅读次数:
180
1.父与子关系
我们可以在Entity类看到很多parent(父)与child(子)这样的字眼,这是游戏引擎中常有的概念,简单而言是一种has-a的关系
对应代码:
B.attachChild(A);
B.attachChild(C);
C.attachChild(D);
从代码和图片可以看出
B没有父
B的子是A、C
A和C的父都是B
C的子是D
D的父是C
2....
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其他好文 时间:
2014-10-24 16:36:00
阅读次数:
391
原文地址 :http://blog.csdn.net/zajin/article/details/17753351做个备份:查询数据库当前进程的连接数: select count(*) from v$process; 查看数据库当前会话的连接数: elect count(*) from v$s...
Problem Description
After coding so many days,Mr Acmer wants to have a good rest.So travelling is the best choice!He has decided to visit n cities(he insists on seeing all the cities!And he does no...
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其他好文 时间:
2014-10-24 13:01:58
阅读次数:
279
Find the contiguous subarray within an array (containing at least one number) which has the largest product.
For example, given the array [2,3,-2,4],
the contiguous subarray [2,3] has the largest pr...
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编程语言 时间:
2014-10-24 13:01:16
阅读次数:
222