SET SHOWPLAN_ALL { ON | OFF }It will not
execute the TSQL statements.It cannot be specified inside a stored
procedure,must be the only statements in a...
分类:
数据库 时间:
2014-07-22 23:11:32
阅读次数:
646
java.lang.IllegalStateException: Target host
must not be null, or set in parameters.
原因:连接地址不完整,必须加上"http://"。========================================...
分类:
移动开发 时间:
2014-07-22 23:08:12
阅读次数:
415
原题地址:http://oj.leetcode.com/problems/reorder-list/题意:Given
a singly linked listL:L0→L1→…→Ln-1→Ln,reorder it to:L0→Ln→L1→Ln-1→L2→Ln-2→…You
must do this...
分类:
编程语言 时间:
2014-05-01 15:37:03
阅读次数:
441
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 ...
分类:
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
网页的缓存由HTTP消息头中的"Cache-Control"
来控制的,常见的取值有private、no-cache、max-age、must-revalidate等,默认为private。其作用根据不同的重新浏览方式分为以下几种情况:(1)
打开新窗口如果指定cache-control的值为pri...
分类:
其他好文 时间:
2014-05-01 06:51:33
阅读次数:
273
As you must have experienced, instead of
landing immediately, an aircraft sometimes waits in a holding loop close to the
runway. This holding mechanis...
分类:
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 ...
分类:
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...
分类:
其他好文 时间:
2014-04-29 13:22:23
阅读次数:
264
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...
分类:
其他好文 时间:
2014-04-29 13:13:20
阅读次数:
352