An encoded string S is given. To find and write the decodedstring to a tape, the encoded string is read one character at a time and the following steps are taken: If the character read is a letter, that letter is written onto the tape. If the charac
<a href="dd.index?aa=1&&bb=2"></a> //截取URL参数 // console.log(window.location.search); function GetQueryString(name) { var reg = new RegExp("(^|&)" + name + "=([^&]*)(&|$)", "i"); var r
出处:http://www.cnblogs.com/MrZouJian/p/5850553.html function getTxt1CursorPosition(){ var oTxt1 = document.getElementById("txt1"); var cursurPosition=-1; if(oTxt1.selectionStart){//非IE浏览器 cursurPosition= oTxt1.selectionStart; }else{//IE var range
原文地址: Stairway to SQL Server Indexes: Level 6,Bookmarks 本文是SQL Server索引进阶系列(Stairway to SQL Server Indexes)的一部分. 在前面的章节中我们看到了,索引就是一些有序入口的集合,每行一个入口.我们更多的强调索引的逻辑方面,而不是物理方面.当目前为止,我们讲述了非聚集索引入口的两个组件:查询键和包含列.在本章中,我们介绍第三个,也是最后一个组件:标签. 什么是标签 标签在之前已经提到过,但只是说S
Given a string representing a code snippet, you need to implement a tag validator to parse the code and return whether it is valid. A code snippet is valid if all the following rules hold: The code must be wrapped in a valid closed tag. Otherwise, th