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大数据导出错误
1、错误叙述性说明java.lang.IllegalArgumentException:Can not find a java.io.InputStreamwith the name [inputStream] in the invocation stack.Check the tag speci....
分类:其他好文   时间:2015-06-21 11:46:26    阅读次数:105
iOS9和Xcode7
2015.06.08苹果放出了iOS9以及Xcode7的 Beta测试版本。有一句话非常引入注意:https://developer.apple.com/xcode/Now everyone can get their app on their Apple device.Xcode 7and Swi...
分类:移动开发   时间:2015-06-20 16:59:02    阅读次数:430
远程连接CentOS的MySQL报错:Can't connect to MySQL server on 'XXX' (13)
使用客户端远程登录连接基于CentOS 6.5服务器上的Mysql,报错:Can't connect to MySQL server on 'XXX' (13)...
分类:数据库   时间:2015-06-20 12:00:42    阅读次数:214
周期串(Periodic Strings, UVa455)
A character string is said to have period k if it can be formed by concatenating one or more repetitions of another string of length k. For example, the string “abcabcabcabc” has period 3, since it is...
分类:其他好文   时间:2015-06-20 09:11:33    阅读次数:127
Leetcode 142 Linked List Cycle II
Given a linked list, return the node where the cycle begins. If there is no cycle, returnnull.Follow up:Can you solve it without using extra space?同Le...
分类:其他好文   时间:2015-06-20 00:15:40    阅读次数:121
Leetcode 141 Linked List Cycle
Given a linked list, determine if it has a cycle in it.Follow up:Can you solve it without using extra space?LL经典题:一个指针每次前进1node,另一个指针每次前进2node,如果有环则必会...
分类:其他好文   时间:2015-06-19 23:00:46    阅读次数:164
启动mysql问题Can't open and lock privilege tables: Table 'mysql.host' doesn't exist
启动mysql出现问题/etc/init.d/mysqldstartMySQLserverPIDfilecouldnotbefound![FAILED]StartingMySQL......................................TheserverquitwithoutupdatingPIDfile(/data/mysql/mysql_3306/data/mysql.pid).[FAILED]查看错误日志15061915:57:19[Note]Serversoc..
分类:数据库   时间:2015-06-19 21:45:00    阅读次数:193
Extended MessageBox Library (assembly) for .NET
Apr 30, 2010.Summary:With this library .NET applications can control a wide variety of MessageBox dialog settings.That includes adjusting initial posi...
分类:Web程序   时间:2015-06-19 21:36:50    阅读次数:278
编程概念--使用async和await的异步编程
https://msdn.microsoft.com/en-us/library/hh191443(v=vs.110).aspxYou can avoid performance bottlenecks and enhance the overall responsiveness of your a...
分类:其他好文   时间:2015-06-19 21:28:09    阅读次数:110
IOS成长之路-Nsstring搜索方法rangeOfString
NSString *str1 = @"can you \n speak English"; NSString *str = @"\n"; //在str1该字符串搜索\n。它的结论是不存在 if ([str1 rangeOfString:str].location != NSNotF...
分类:移动开发   时间:2015-06-19 18:17:19    阅读次数:131
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