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Leetcode Valid Number
Validate if a given string is numeric.Some examples:"0"=>true" 0.1 "=>true"abc"=>false"1 a"=>false"2e10"=>trueNote:It is intended for the problem stat...
分类:其他好文   时间:2014-07-05 17:20:00    阅读次数:176
[leetcode] Validate Binary Search Tree
Given a binary tree, determine if it is a valid binary search tree (BST).
分类:其他好文   时间:2014-07-03 19:36:49    阅读次数:196
[leetcode] Restore IP Addresses
Given a string containing only digits, restore it by returning all possible valid IP address combinations.
分类:其他好文   时间:2014-07-02 14:45:41    阅读次数:220
【LeetCode】Valid Palindrome
题目 Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases. For example, "A man, a plan, a canal: Panama" is a palindrome. "race a car" i...
分类:其他好文   时间:2014-07-02 09:49:04    阅读次数:271
LeetCode: Evaluate Reverse Polish Notation [150]
【题目】 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", "+", "3", "*"] -> ((2 + 1) * 3) -> 9 ["4", "13", "5", "/...
分类:其他好文   时间:2014-07-02 07:43:36    阅读次数:212
Leetcode: Valid Parentheses 有效的括号匹配
Valid Parentheses:Given a string containing just the characters '(', ')', '{', '}', '[' and ']', determine if the input string is valid.The brackets m...
分类:其他好文   时间:2014-07-01 21:24:05    阅读次数:180
LeetCode:Longest Valid Parentheses
Given a string containing just the characters '(' and ')', find the length of the longest valid (well-formed) parentheses substring.For "(()", the  longest valid parentheses substring is "()...
分类:其他好文   时间:2014-07-01 09:09:06    阅读次数:156
Evaluate Reverse Polish Notation
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:2014-06-30 23:46:14    阅读次数:288
Operation is not valid due to the current state of the object.
昨天客户突然要求将某个角色的所有权限都不分页的放在一个页面修改,本地测试OK,通过;但发布后,点击该页面提交后一直报下面的错误:异常信息: Operation is not valid due to the current state of the object.错误源:System.Web堆栈信息...
分类:其他好文   时间:2014-06-30 22:55:35    阅读次数:407
XCODE5 导入项目出现问题解决方法
错误代码:No architectures to compile for (ONLY_ACTIVE_ARCH=YES, active arch=x86_64, VALID_ARCHS=armv7 armv7s) 1  xcodebuild 这个target的时候命令行报错。(yes  改为no) LY_ACTIVE_ARCH=YES, active arch=x86...
分类:其他好文   时间:2014-06-30 18:04:12    阅读次数:219
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