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LeetCode: Valid Number 解题报告
Valid NumberValidate if a given string is numeric.Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => trueNote: It is intend...
分类:其他好文   时间:2014-10-29 21:04:03    阅读次数:166
[Leetcode]Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.For example,"A man, a plan, a canal: Pana...
分类:其他好文   时间:2014-10-29 12:44:21    阅读次数:171
leetcode valid parentheses
1, 堆栈的应用,算是很经典的题目2,记得给stack 设置类型,否则就是objectpublic class Solution { public boolean isValid(String s) { if(s.length()==0||s.length()==1){ ...
分类:其他好文   时间:2014-10-29 07:03:16    阅读次数:192
[leetcode]Valid Number
问题描述: Validate if a given string is numeric. Some examples: "0" => true " 0.1 " => true "abc" => false "1 a" => false "2e10" => true Note: It is intended for the problem statement to be am...
分类:其他好文   时间:2014-10-28 21:52:13    阅读次数:192
cut命令
一、定义 正如其名,cut的工作就是“剪”,具体的说就是在文件中负责剪切数据用的。cut是以每一行为一个处理对象的,这种机制和sed是一样的。2、剪切依据cut命令主要是接受三个定位方法:第一,字节(bytes),用选项-b第二,字符(characters),用选项-c第三,域(fields),用选...
分类:其他好文   时间:2014-10-28 17:33:41    阅读次数:257
uniq 命令
uniq 命令 文字 uniq是LINUX命令 用途 报告或删除文件中重复的行。 语法 uniq [ -c | -d | -u ] [ -f Fields ] [ -s Characters ] [ -Fields ] [ +Characters ] [ InFile [ OutFile...
分类:其他好文   时间:2014-10-28 17:32:48    阅读次数:193
Some words about Qt DOM Node, Element and Attribut
Add Instruction Node Every valid XML must contain processing instruction. XML is widely used for HTML, SVG, XLS etc. So make sure your XML file has valid instruction of its type and encoding. The f...
分类:其他好文   时间:2014-10-27 21:27:17    阅读次数:155
Valid Palindrome
Given a string, determine if it is a palindrome, considering only alphanumeric characters and ignoring cases.//数字或字母For example,"A man, a plan, a cana...
分类:其他好文   时间:2014-10-27 20:55:25    阅读次数:178
LeetCode Length of Last Word
Given a string s consists of upper/lower-case alphabets and empty space characters ' ', return the length of last word in the string. If the last word does not exist, return 0. Note: A word is defi...
分类:其他好文   时间:2014-10-27 14:26:12    阅读次数:249
微信公众平台开发(3)封装全部基础接口源码
<?php define ( "TOKEN", "tony" ); if (! isset ( $_GET ["echostr"] )) { // 调用响应消息函数 responseMsg (); } else { // 实现网址接入,调用验证消息函数 valid (); } /* * 验证消息函数 */ function valid() { if (checkSignature ...
分类:微信   时间:2014-10-27 14:26:09    阅读次数:345
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