原文地址:http://www.cnblogs.com/royenhome/archive/2011/05/20/2051879.html异常场景:经常在应用中需要处理一些耗时的工作,诸如读取大文件、访问网络资源等。为了避免因程序假死而带来的糟糕用户体验,通常我们可以通过线程+Handler或者An...
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移动开发 时间:
2014-06-11 10:01:47
阅读次数:
229
public voidnotifyDataSetChanged()Added inAPI
level 1Notifies the attached observers that the underlying data has been changed
and any View reflecting ...
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移动开发 时间:
2014-06-11 07:44:51
阅读次数:
270
链接: http://acm.hrbust.edu.cn/index.php?m=ProblemSet&a=showProblem&problem_id=1752
Description
There are n webpages, each of which has its respective page rank. The content is constantly updated ...
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其他好文 时间:
2014-06-09 23:32:22
阅读次数:
270
Find the contiguous subarray within an array (containing at least one number) which has the largest sum....
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其他好文 时间:
2014-06-08 15:54:08
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258
Catch That Cow
Time Limit: 2000MS
Memory Limit: 65536K
Total Submissions: 44070
Accepted: 13764
Description
Farmer John has been informed of the location of a fugitiv...
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其他好文 时间:
2014-06-08 15:44:43
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238
Given an array of words and a length L, format the text such that each line has exactly L characters and is fully (left and right) justified.
You should pack your words in a greedy approach; that i...
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编程语言 时间:
2014-06-08 15:25:00
阅读次数:
282
acm菜鸡必备
1 runtime! debian.vim
2 if has("syntax")
3 syntax on
4 endif
5 if filereadable("/etc/vim/vimrc.local")
6 source /etc/vim/vimrc.local
7 endif
8 "syntax high light
9 synta...
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其他好文 时间:
2014-06-08 09:45:09
阅读次数:
286
MySQL总是崩溃
首先你应该试着找出问题MySQLd守护进程是否死掉或你的问题是否与你的客户有关。你可以用MySQLadmin version检查你的MySQLd服务器正常执行了多长时间,如果MySQLd死了,你可以在文件“MySQL-data-directory/'hostname'.err”中找到其原因。
使用MySQL时的一些常见错误
MySQL server has g...
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数据库 时间:
2014-06-08 09:00:48
阅读次数:
286
PathsumDescription: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 equa...
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其他好文 时间:
2014-06-08 01:11:46
阅读次数:
395
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.Fo...
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其他好文 时间:
2014-06-07 16:55:09
阅读次数:
173