Oracle will generate something called cursor
after it parse an statement. This thing--cursor will be stored in Library cache,
if next time you need to...
分类:
数据库 时间:
2014-05-10 01:02:22
阅读次数:
579
Say you have an array for which theithelement
is the price of a given stock on dayi.Design an algorithm to find the maximum
profit. You may complete a...
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其他好文 时间:
2014-05-10 00:24:49
阅读次数:
255
Holding Bin-Laden Captive!Time Limit: 2000/1000
MS (Java/Others) Memory Limit: 65536/32768 K (Java/Others)Total Submission(s):
14095 Accepted Su...
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其他好文 时间:
2014-05-09 23:53:49
阅读次数:
386
要点:AsyncTask主要用于short operations (a few seconds at
the most.)。如果你需要“running for long periods of time”,官方推荐使用various APIs provided
by the java.util.con...
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其他好文 时间:
2014-05-09 23:46:38
阅读次数:
304
There are two sorted arrays A and B of size m
and n respectively. Find the median of the two sorted arrays. The overall run
time complexity should be ...
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其他好文 时间:
2014-05-09 23:26:18
阅读次数:
353
CentO中把vsftpd安裝配置好了,以為大功告成,但用FTP 登入出現下錯誤:500
OOPS: cannot change directoryCentOS系統安裝了SELinux,因為預設下是沒有開啟FTP的服務。//查看SELinux設置#
getsebool -a|grep ftpftp_...
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其他好文 时间:
2014-05-09 22:59:08
阅读次数:
351
find / –name sqlplus iostat –d 2 iostat和iowait详细解说
如果你想对硬盘做一个IO负荷的压力测试可以用如下命令 time dd if=/dev/zero bs=1M count=2048 of=direct_2G
此命令为在当前目录下新建一个2G的文件 我...
分类:
系统相关 时间:
2014-05-09 20:31:22
阅读次数:
547
转载:http://blog.csdn.net/fightforyourdream/article/details/14503469题目:最佳时间买入卖出股票:你有一个数组保存了股票在第i天的价钱,现在你最多进行两次买卖,但同一时间你手上只能保持一个股票,如何赚的最多思路:知道要用DP做,但是一开始...
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其他好文 时间:
2014-05-09 20:01:47
阅读次数:
335
Crossing River
Time Limit: 1000MS
Memory Limit: 10000K
Total Submissions: 10218
Accepted: 3859
Description
A group of N people wishes to go across a river with only...
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其他好文 时间:
2014-05-09 14:51:43
阅读次数:
257
点击打开链接
Problem 2150 Fire Game
Accept: 237 Submit: 808
Time Limit: 1000 mSec Memory Limit : 32768 KB
Problem Description
Fat brother and Maze are playing a kind of special (hent...
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其他好文 时间:
2014-05-09 14:08:37
阅读次数:
502