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HDU 5014 Number Sequence(贪心)
当时想到了贪心,但是不知为何举出了反列。。。。我是逗比,看了点击打开链接。才发现我是逗比。 Problem Description There is a special number sequence which has n+1 integers. For each number in sequence, we have two rules: ● ai ∈ [0,n]  ●...
分类:其他好文   时间:2014-09-16 02:44:19    阅读次数:276
FIREDAC的DATASNAP示例
服务端使用FDQUERY查询数据并返回TDATASET:function TSample.GetData: TDataSet;varq: TFDQuery;beginq:= TFDQuery.Create(nil);try q.Connection:=conn;q.SQL.Text := 'SEL....
分类:其他好文   时间:2014-09-15 22:48:09    阅读次数:650
Apache CloudStack Features
As a mature and turnkey Infrastructure-as-a-Service (IaaS) platform, Apache CloudStack has a comprehensive set of features. This is an extensive, but ...
分类:其他好文   时间:2014-09-15 22:43:29    阅读次数:291
HDU5014:Number Sequence
Problem Description There is a special number sequence which has n+1 integers. For each number in sequence, we have two rules: ● ai ∈ [0,n]  ● ai ≠ aj( i ≠ j ) For sequence a and sequence b,...
分类:其他好文   时间:2014-09-15 21:22:10    阅读次数:240
在Struts2中使用poi进行excel操作下载的时候报getOutputStream() has already been called for this response 错误 [转]
在项目中用到了poi这个开源的操作excel文件的jar.项目中用到struts2容器管理servlet.不是单纯的直接用servlet.workbook.write(os);os.flush();os.close();return "SUCCESS";在我的action中用是这样处理最后的传出.但...
分类:其他好文   时间:2014-09-15 21:04:19    阅读次数:212
Hibernate3.3连接Sqlserver2012一直连接不上
其他配置均没有任何问题,在从SQLServer2005迁移到SQLServer2012的时候一直出现这个问题 org.hibernate.exception.JDBCConnectionException: Cannot open connection at org.hibernate.exception.SQLStateConverter.convert(SQLStateConverter....
分类:数据库   时间:2014-09-15 19:32:59    阅读次数:221
LeetCode Solutions : Path Sum I & II
Path Sum Given a binary tree and a sum, determine if the tree has a root-to-leaf path such that adding up all the values along the path equals the given sum. For example: Given the below binary...
分类:其他好文   时间:2014-09-15 17:54:12    阅读次数:229
django搜索页面,并解决“Related Field has invalid lookup: icontains”错误
django版本1.4.5一般网站都是需要搜索栏目的,我的项目也需要,于是做了首先,写视图 1 #这个并不是我的项目,仅仅用它做个例子,解决相关问题 2 from django.db.models import Q 3 from models import Book 4 5 def search(....
分类:其他好文   时间:2014-09-15 17:26:09    阅读次数:226
ADO.NET中的五个主要对象
(1)Connection对象:主要作用是开启程序集和数据库之间的连接(open()和close()方法)。(2)Commend对象:发送SQL语句指令以及调用在数据库中的存储过程。(3)DataAdapter对象:功能:在数据源和DataSet之间执行数据传输的工作。它可以通过Commend对象下...
分类:Web程序   时间:2014-09-15 17:16:49    阅读次数:255
LeetCode:Maximum Subarray
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,...
分类:其他好文   时间:2014-09-15 15:46:19    阅读次数:183
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