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Happy Number
Happy Number问题:Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following process: Starting with any p...
分类:移动开发   时间:2015-04-26 22:42:59    阅读次数:166
Happy Number
https://leetcode.com/problems/happy-number/Write an algorithm to determine if a number is "happy".A happy number is a number defined by the following ...
分类:移动开发   时间:2015-04-26 22:38:15    阅读次数:172
leetcode:Balanced Binary Tree
Given a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tree in which the depth...
分类:其他好文   时间:2015-04-26 16:31:44    阅读次数:119
OS X动态库实现函数拦截功能
OS X系统中,仅有很少的进程只需要内核加载器就可以完成,几乎所有的程序都是动态连接的,通常采用/usr/lib/dyld作为动态链接器。 作为一个私有的加载器,dyld提供了一些独有的特性,如函数拦截等。DYLD_INTERPOSE宏定义允许一个库将其函数实现替换为另一个函数实现。以下代码取自dyld的源代码,演示了这个功能。#if !defined(_DYLD_INTERPOSING_H_)...
分类:其他好文   时间:2015-04-26 13:52:23    阅读次数:238
No output fields defined for component:xxx::defaul
学习jstorm过程中,碰到一问题: ?ERROR com.alibaba.jstorm.daemon.supervisor.SyncProcessEvent ?- Failed Sync Process java.lang.IllegalArgumentException: No output fields defined fo...
分类:其他好文   时间:2015-04-26 12:31:31    阅读次数:248
LeetCode (24) Happy Number
题目描述Write an algorithm to determine if a number is “happy”.A happy number is a number defined by the following process: Starting with any positive integer, replace the number by the sum of the squares...
分类:移动开发   时间:2015-04-26 12:27:42    阅读次数:114
Error Code: 1068. Multiple primary key defined
1、错误描述 10:10:38 alter table user add num int(8) primary key first Error Code: 1068. Multiple primary key defined 0.000 sec 2、错误原因     这个错误的原因是定义了两个主键,导致出错 3、解决办法     alter table user add num...
分类:其他好文   时间:2015-04-26 10:54:09    阅读次数:275
[LeetCode 202] Happy Number
题目链接:happy-number Write an algorithm to determine if a number is "happy". A happy number is a number defined by the following process: Starting with any positive integer, replace the numbe...
分类:移动开发   时间:2015-04-26 10:53:59    阅读次数:123
LeetCode Validate Binary Search Tree
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:2015-04-25 15:11:01    阅读次数:135
Spring: aop自动标注时出现 “0 formal unbound in pointcut"
异常代码信息:org.springframework.beans.factory.BeanCreationException: Error creating bean with name 'userService' defined in class path resource [cn/czk/tes...
分类:编程语言   时间:2015-04-25 12:02:17    阅读次数:362
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