题目描述:
Given an array of integers, every element appears twice except for one. Find that single one.
Note:
Your algorithm should have a linear runtime complexity. Could you implement it withou...
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其他好文 时间:
2015-05-08 13:09:35
阅读次数:
112
【题目】
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....
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其他好文 时间:
2015-05-08 09:29:30
阅读次数:
121
Determine if a Sudoku is valid, according to: Sudoku Puzzles - The Rules.The Sudoku board could be partially filled, where empty cells are filled with...
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编程语言 时间:
2015-05-08 06:57:39
阅读次数:
154
今天用Xcode编译项目时,遇到一个莫名其妙的问题:could not build module ‘Foundation‘,以及could not build module ‘UIKit‘,NSString.h expect identifier问题,提示的位置是在Pod的库中。几经查找,才发现是...
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其他好文 时间:
2015-05-07 17:13:06
阅读次数:
534
刚升级到最新的iOS和XCode,重新部署程序,报错:The application could not
be verified.
找不到原因,将程序Bundle identifier改个名字,就可以了。
可能的原因是,开发者证书续费,将Provitioning Profile重新生成了,应该是PAD上已安装的App证书与新部署的App证书有冲突。
将原有App删...
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移动开发 时间:
2015-05-07 14:35:04
阅读次数:
141
题目描述Determine whether an integer is a palindrome. Do this without extra space.Some hints:
Could negative integers be palindromes? (ie, -1)
—— 负数不为回文If you are thinking of converting the integer to s...
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其他好文 时间:
2015-05-07 14:30:59
阅读次数:
119
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?I...
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其他好文 时间:
2015-05-07 14:20:03
阅读次数:
121
昨天有个release持续build fail,报错为 error?MSB4025:?The?project?file?could?not?be?loaded.?Data?at?the?root?level?is?invalid.?Line?1,?position?1. 用Notepad++临时打开查看,没有发现...
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其他好文 时间:
2015-05-07 12:43:35
阅读次数:
170
Problem:
Determine whether an integer is a palindrome. Do this without extra space.
click to show spoilers.
Some hints:
Could negative integers be palindromes? (ie, -1)
If you are thinkin...
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其他好文 时间:
2015-05-07 12:28:14
阅读次数:
143
在提交代码review的时候可能会出现Could not connect to gerrit.Enter your gerrit username: xxxxTrying again with ssh://xxxx@review.openstack.org:29418/openstack/oslo....
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其他好文 时间:
2015-05-07 08:43:42
阅读次数:
1828