在一个route中，通过在大括号中放一个占位符来定义( { and } )。当解析URL的时候，符号"/"和"."被作为一个定义符来解析，而定义符之间的值则匹配到占位符中。route定义中不在大括号中的信息则作为常量值。
下面是一些示例URL：
Valid route definitions
Examples of matching URL...
分类：
Web程序 时间：
2014-07-17 10:13:41
阅读次数：
477
Given a stringsand a dictionary of wordsdict, add spaces insto construct a sentence where each word is a valid dictionary word.Return all such possibl...
分类：
其他好文 时间：
2014-07-17 00:52:21
阅读次数：
376
Restore IP AddressesGiven a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"255255...
分类：
其他好文 时间：
2014-07-16 18:03:41
阅读次数：
157
Given a binary tree, determine if it is a valid binary search tree (BST).
Assume a BST is defined as follows:
The left subtree of a node contains only nodes with keys less than the node's key.Th...
分类：
其他好文 时间：
2014-07-13 16:53:01
阅读次数：
189
Given a string containing just the characters '(', ')', '{', '}', '[' and ']',
determine if the input string is valid.
The brackets must close in the correct order, "()" and "()[]{}" are
all va...
分类：
其他好文 时间：
2014-07-13 16:11:26
阅读次数：
144
前几天发布应用时出现了如下所示的一段错误提示信息：weblogic.descriptor.DescriptorException: VALIDATION PROBLEMS WERE FOUNDproblem: cvc-enumeration-valid: string value '3.0' is ...
分类：
Web程序 时间：
2014-07-13 00:53:05
阅读次数：
367
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", ...
分类：
其他好文 时间：
2014-07-12 22:43:17
阅读次数：
267
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" is not a ...
分类：
其他好文 时间：
2014-07-12 20:10:54
阅读次数：
165
Given a binary tree, determine if it is a valid binary search tree (BST).
Assume a BST is defined as follows:
The left subtree of a node contains only nodes with keys less than the node's key.Th...
分类：
其他好文 时间：
2014-07-12 17:26:31
阅读次数：
256
当您试图从单独的线程更新一个win form时，您将得到如下错误信息："Cross-thread operation not valid: Control 'progressBar1' accessed from a thread other than the thread it was creat...
分类：
数据库 时间：
2014-07-12 14:04:15
阅读次数：
337
