JSON is a valid subset of JavaScript, Python, and YAMLJSON parsing is generally faster than XML parsing.JSON is a more compact format, meaning it weig...
分类:
Web程序 时间:
2014-11-29 06:44:14
阅读次数:
141
Given a string containing just the characters'(',')','{','}','['and']', determine if the input string is valid.The brackets must close in the correct ...
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其他好文 时间:
2014-11-28 17:32:06
阅读次数:
184
题目:
Given a string containing just the characters '(' and ')',
find the length of the longest valid (well-formed) parentheses substring.
For "(()", the longest valid parentheses substrin...
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其他好文 时间:
2014-11-27 23:42:23
阅读次数:
196
到jpython2.5.3文件下,找到registry文件,将里面的内容这个部分修改 修改前: # Setting this to a valid codec name will cause the console to use a # different encoding when reading commands from the c...
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编程语言 时间:
2014-11-27 19:01:06
阅读次数:
319
Given a string containing only digits, restore it by returning all possible valid IP address combinations.For example:Given"25525511135",return["255.2...
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其他好文 时间:
2014-11-27 18:16:58
阅读次数:
170
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...
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其他好文 时间:
2014-11-27 16:30:19
阅读次数:
226
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", ...
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其他好文 时间:
2014-11-27 14:42:26
阅读次数:
197
Evaluate Reverse Polish NotationEvaluate the value of an arithmetic expression in Reverse Polish Notation.Valid operators are +, -, *, /. Each operand...
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其他好文 时间:
2014-11-26 22:25:26
阅读次数:
478
本文是在学习中的总结,欢迎转载但请注明出处:http://blog.csdn.net/pistolove/article/details/41488377
通过本文你可能会学到的知识为:
(1)对String类中的valueOf()方法、charAt()方法、equalsIgnoreCase()方法有所了解,并知道如何使用。
(2)对Character类中的isLetterOrDigit()方法有所了解。
(3)理解解题思路,提高分析问题的能力。
注:
String类:...
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其他好文 时间:
2014-11-25 23:45:17
阅读次数:
258
Validate if a given string is numeric. Some examples:"0" => true" 0.1 " => true"abc" => false"1 a" => false"2e10" => trueNote: It is intended for t...
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其他好文 时间:
2014-11-25 12:23:32
阅读次数:
163