Given an array of integers, every element
appears twice except for one. Find that single one. Note: Your algorithm should
have a linear runtime comple...
分类：
其他好文 时间：
2014-05-23 07:22:48
阅读次数：
241
1.CUICatalog: Invalid asset name supplied: , or
invalid scale factor: 2.000000＝》原因：You are calling[UIImage
imageNamed:@""]or[UIImage imageNamed:nil].N...
分类：
移动开发 时间：
2014-05-23 06:48:14
阅读次数：
273
Have we missed some critical information from
this article? Are you a company, organisation or research group operating in
this region and feel you wa...
分类：
其他好文 时间：
2014-05-23 05:51:05
阅读次数：
305
In bash shell, when you use a dollar sign
followed by a variable name, shell expands the variable with its value. This
feature of shell is called para...
分类：
其他好文 时间：
2014-05-21 18:32:32
阅读次数：
332
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...
分类：
其他好文 时间：
2014-05-21 17:27:55
阅读次数：
252
When you subtract two variables of type TIMESTAMP, you get an INTERVAL DAY TO SECOND which includes a number of milliseconds and/or microseconds depending on the platform. If the database is running o...
分类：
其他好文 时间：
2014-05-21 15:36:38
阅读次数：
488
【题目】
The count-and-say sequence is the sequence of integers beginning as follows:
1, 11, 21, 1211, 111221, ...
1 is read off as "one 1" or 11.
11 is read off as "two 1s" or 21.
21 is read off as "one 2, then one 1" or 1211.
Given an integer n, generate...
分类：
其他好文 时间：
2014-05-21 15:20:07
阅读次数：
213
最近闲来无事写了一个统计C或者C++代码行数的程序，主要用到了python以及正则表达式
#-*-coding:utf-8
#!/usr/bin/python
import re
import os
import sys
'''get the file or dir in one path'''
def getfilename(path):
if os.path.exi...
分类：
编程语言 时间：
2014-05-21 15:06:30
阅读次数：
379
InstallingwithCitrixXenServerNote:ToinstalltheAdaptecRAIDcontrollerdriverwithCitrixXenServer,youmustburntheXenServerdriverisop_w_picpathtoawriteableCD.YouwillbepromptedtoinserttheXenServerdriverCDtwice.YouneedtheXenServerinstallationCDtocompletethistask.You..
分类：
其他好文 时间：
2014-05-21 13:19:58
阅读次数：
454
1、在进入系统的时候经常提示Youhavenewmailin/var/spool/mail/rootecho“unsetMAILCHECK”>>/etc/profilesource/etc/profile关闭sendmail的功能：chmod0/usr/sbin/sendmailmv/usr/sbin/sendmail/usr/sbin/sendmail.bakln-s/var/qmail/bin/sendmail/usr/sbin/sendmail清..
分类：
其他好文 时间：
2014-05-21 12:39:10
阅读次数：
278
