object StringUtils { /** * 判断字符串是否是纯数字组成的串，如果是，就返回对应的数值，否则返回0 * @param str * @return */ def strToInt(str: String): Int = { val regex = ......

Implement atoi to convert a string to an integer. 　　Hint: Carefully consider all possible input cases. If you want a challenge, please do not see below and a...

如果不是取得单个字段的话就没有问题,去单个字段就会出现取到值了，但是拿不出来值，因为不知道得到的东西是什么类型的。说是String的吧，转换出错，说是对象吧，又抛出如题的异常。...

Given a string s, you are allowed to convert it to a palindrome by adding characters in front of it. Find and return the shortest palindrome you can find by per...

（仅仅只是整理，以后用到直接来翻就行了） 比如有这样一个自定义控件（layout文件就不看了）

Given a string which consists of lowercase or uppercase letters, find the length of the longest palindromes that can be built with those letters.

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如果不主动,除了时间,你什么都改变不了为了提供更大价值,将推出<每日一题>系列,未发表原创文章时将发表一期<每日一题>,在下一期公布答案及解析<每日一题>主要以陷阱题为主,容易出错的题目,比较考基础。最近在巩固基...

题目链接：http://codeforces.com/contest/1092/problem/A

Determine whether an integer is a palindrome. An integer is a palindrome when it reads the same backward as forward.