1、删除原有“钥匙串访问”中疑是过期的的证书;2、在Member Center中Certificate中删除疑是有问题的Certificate,重新添加新的Certificate;3、在“钥匙串访问” - 证书处理 - 从证书颁发机构请求证书,生成新的CertificateSigningReques...
分类:
移动开发 时间:
2014-07-16 21:43:05
阅读次数:
489
Given a stringsconsists of upper/lower-case alphabets and empty space characters' ', return the length of last word in the string.If the last word doe...
分类:
其他好文 时间:
2014-07-16 21:00:49
阅读次数:
208
Evaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may be an integer or another express...
分类:
其他好文 时间:
2014-07-16 20:44:52
阅读次数:
158
Implement wildcard pattern matching with support for '?' and '*'.'?' Matches any single character.'*' Matches any sequence of characters (including th...
分类:
其他好文 时间:
2014-07-11 19:36:48
阅读次数:
202
Like a string, a list is a sequence of values. In a string, the values are characters; in a list, they can be any type. The values in list are called ...
分类:
其他好文 时间:
2014-07-11 09:01:06
阅读次数:
242
The syntax for accessing the elements of a list is the same as for accessing the characters of a string – the bracket operator ([ ]). The expression i...
分类:
其他好文 时间:
2014-07-11 08:55:10
阅读次数:
174
Implement wildcard pattern matching with support for '?' and '*'.
'?' Matches any single character.
'*' Matches any sequence of characters (including the empty sequence).
The matching should cover t...
分类:
其他好文 时间:
2014-07-10 21:21:42
阅读次数:
255
Evaluate the value of an arithmetic expression in Reverse Polish Notation.
Valid operators are +, -, *, /.
Each operand may be an integer or another expression.
Some examples:
["2", "1", ...
分类:
其他好文 时间:
2014-07-10 19:39:53
阅读次数:
146
原文:js 正则之 控制字符 \cX前些天在司徒正美的群里有人问了这么个问题:正则表达式里特殊字符 \cX 到底是什么?确实,我之前也挺在意的,但是一直没去看到底是什么。在MDN上只说是控制字符(详情请查阅 Using Special Characters),但是什么是控制字符呢?在阮一峰的《Jav...
分类:
Web程序 时间:
2014-07-09 16:15:14
阅读次数:
196
SPOJ Problem Set (classical)
1812. Longest Common Substring II
Problem code: LCS2
A string is finite sequence of characters over a non-empty finite set Σ.
In this problem, Σ is...
分类:
其他好文 时间:
2014-07-08 17:14:39
阅读次数:
291