Problem:
Given a digit string, return all possible letter combinations that the number could represent.
A mapping of digit to letters (just like on the telephone buttons) is given below.
...
分类:
编程语言 时间:
2015-05-10 14:18:54
阅读次数:
159
搞定 sqlplus ,开始用 SQL Developer,登陆之后爆出了这个大怪:the network adapter could not establish the connection(+﹏+)~狂晕看下过程,估计我们遇到的问题应该是一样的:首先,打开SQL Developer双击进入:进入...
分类:
数据库 时间:
2015-05-10 11:25:44
阅读次数:
211
如果你也出現了“Could not launch 'app name'”,No such file or directory (/Users/apple/Library/Developer/Xcode/DerivedData/mytest-ejkagqxooxgmtdfsdoygtyzflibe/B...
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移动开发 时间:
2015-05-09 23:35:24
阅读次数:
178
在一台电脑上安装eclipse的git插件,报以下错误: Cannot?complete?the?install?because?one?or?more?required?items?could?not?be?found.
??Software?being?installed:?Eclipse?Git?Team?P...
分类:
系统相关 时间:
2015-05-09 16:42:45
阅读次数:
2396
Similar with
the linux version , this article would demonstrate how to write a simple windows .
I divide the 2 operations : write and read into 2 threads. Of course, one could call ReadFile a...
https://leetcode.com/problems/valid-sudoku/Determine if a Sudoku is valid, according to:Sudoku Puzzles - The Rules.The Sudoku board could be partially...
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其他好文 时间:
2015-05-09 13:04:55
阅读次数:
115
主库添加log-bin-index 参数后,从库报这个错误:Got fatal error 1236 from master when reading data from binary log: 'Could not find first log file name in binary log in...
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其他好文 时间:
2015-05-09 13:03:27
阅读次数:
204
reset slave会清除从库的所有复制信息。一般应用场景:如切换为不同的Master, 主从重做等; 1. 命令在slave上执行,执行前一定要stop slave。 2. 执行reset slave后,会清除复制相关的所有信息,包括:master.info, relay-log.info,.....
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其他好文 时间:
2015-05-09 13:02:05
阅读次数:
174
Determine whether an integer is a palindrome. Do this without extra space.click to show spoilers.Some hints:Could negative integers be palindromes? (i...
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其他好文 时间:
2015-05-09 07:42:26
阅读次数:
124
Reverse a singly linked list.click to show more hints.Hint:A linked list can be reversed either iteratively or recursively. Could you implement both?分...
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其他好文 时间:
2015-05-09 01:13:01
阅读次数:
176