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每日算法之四十七:Valid Number (验证是否为数字)
要想正确的写出这个函数不是件容易的事情,因为要考虑的事情很多: 1)字符串的前后都可能会有空格,但是中间不允许有空格。 2)可能有小数,1.235,或者.3522这种形式 3)可能有指数形式,2e10   2e-1等形式 Validate if a given string is numeric. Some examples: "0" => true " 0.1 " => t...
分类:其他好文   时间:2014-09-14 16:45:37    阅读次数:201
Longest Substring Without Repeating Characters[leetcode]
记录最大的起始位置+hash int lengthOfLongestSubstring(string s) { map charMap; int curLen, maxLen = 0,lastIndex = -1; for (int i = 0; i < s.size(); i++) { if (charMa...
分类:其他好文   时间:2014-09-14 12:53:27    阅读次数:158
Leetcode: Word Break II
Given a string s and a dictionary of words dict, add spaces in s to construct a sentence where each word is a valid dictionary word.Return all such po...
分类:其他好文   时间:2014-09-14 12:41:37    阅读次数:223
重构之2.Replace Type Code with Class(以类取代类型码)
场景 在一个类中我们经常会下定义一些类型码,如: public static final int INVALID=0; public static final int VALID=1; 我们可以将这些数值转换为一个类 前提条件: 只有当类型码是纯粹数据时(类型码不会在Switch语句中引起行为的变化时),你才能以类来取代它 修改前...
分类:其他好文   时间:2014-09-10 23:57:01    阅读次数:607
【LeetCode】Evaluate Reverse Polish Notation
Evaluate Reverse Polish NotationEvaluate the value of an arithmetic expression inReverse Polish Notation.Valid operators are+,-,*,/. Each operand may ...
分类:其他好文   时间:2014-09-10 14:09:30    阅读次数:182
URL太长导致参数被截断的问题
做Web开发时经常涉及到页面之间的转跳,页面之间的转跳就会涉及到页面之间参数的传递,通过URL传递参数是常用的方法之一,但是微软 说:"Maximum URL length is 2,083 characters in Internet Explorer",...
分类:其他好文   时间:2014-09-10 12:50:40    阅读次数:219
Solving Konqueror cannot display Chinese
Just installed the KDE on my Ubuntu, and the Internet explorer comes with the KDE is the Konqueror, however the first time I was using the Konqueror found it cannot display the Chinese properly, all becomes gubbish characters, found the solution by google...
分类:其他好文   时间:2014-09-10 12:36:20    阅读次数:253
[Leetcode][JAVA] 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:编程语言   时间:2014-09-10 05:07:09    阅读次数:200
hadoop 存储空间满了
2014-09-09 17:25:44,040 WARN mapred.LocalJobRunner - job_local_0001org.apache.hadoop.util.DiskChecker$DiskErrorException: Could not find any valid lo....
分类:其他好文   时间:2014-09-09 19:56:49    阅读次数:541
Symbol(s) not found for architecture arm64
修改 Project --> BuildSetting --》Architectures:Build Active Architecture Only = YES;Valid Architectures = arm64 armv7 armv7s armv6;原文:http://stackoverfl...
分类:其他好文   时间:2014-09-09 15:44:09    阅读次数:203
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