1.测试sql语句执行时间的方法,获得时间差declare @end_date
datetimeselect @begin_date = getdate()--要执行的sql语句select @end_date =
getdate()select datediff(ms,@begin_date,@e...
分类:
数据库 时间:
2014-05-01 21:11:51
阅读次数:
398
User Name:
EMBRACE
License Key:
===== LICENSE BEGIN =====
24718-12042010
00001h6wzKLpfo3gmjJ8xoTPw5mQvY
YA8vwka9tH!vibaUKS4FIDIkUfy!!f
3C"rQCIRbShpSlDcFT1xmJi5h0yQS6
=====...
分类:
Web程序 时间:
2014-05-01 18:08:56
阅读次数:
452
Problem 1:Given a set of distinct integers, S,
return all possible subsets.Note:Elements in a subset must be in non-descending
order.The solution set ...
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其他好文 时间:
2014-05-01 09:43:43
阅读次数:
414
When multiple threads share mutable data, each
thread that reads or writes the data must perform synchronization. Without
synchronization, there is no...
分类:
数据库 时间:
2014-05-01 09:14:25
阅读次数:
506
1 保留小数点后两位#include cout const char * spilt="/";char
*p;p=strtok(str,spilt);while(p!=NULL){ //cout
#includesort(Rs.begin(),Rs.end());sort(Rs.begin(),Rs...
分类:
编程语言 时间:
2014-05-01 05:05:45
阅读次数:
409
As you must have experienced, instead of
landing immediately, an aircraft sometimes waits in a holding loop close to the
runway. This holding mechanis...
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其他好文 时间:
2014-05-01 03:51:48
阅读次数:
477
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2,3,4}, reorder it to ...
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其他好文 时间:
2014-04-29 13:42:21
阅读次数:
427
??
Saruman's Army
Time Limit: 1000MS
Memory Limit: 65536K
Total Submissions: 3446
Accepted: 1752
Description
Saruman the White must lead his army along a straight pa...
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其他好文 时间:
2014-04-29 13:22:23
阅读次数:
264
1、
??
Reorder List
Given a singly linked list L: L0→L1→…→Ln-1→Ln,
reorder it to: L0→Ln→L1→Ln-1→L2→Ln-2→…
You must do this in-place without altering the nodes' values.
For example,
Given {1,2...
分类:
其他好文 时间:
2014-04-29 13:16:21
阅读次数:
250
参考了别人的demo之后发现建立一个管理类看起来舒服些,显得比较有条理……
但在建立与服务器连接当中,发现
Connect Error: {
NSLocalizedDescription = "You must set myJID before calling connect.";
}
这样的一个问题,知道是jid没有设置好,但是jid怎么设置呢?今天仍然没有弄清,如果有清楚...
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其他好文 时间:
2014-04-29 13:13:20
阅读次数:
352