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C开发之----#if、#ifdef、#if defined之间的区别
#if的使用说明#if的后面接的是表达式#if (MAX==10)||(MAX==20) code... #endif它的作用是:如果(MAX==10)||(MAX==20)成立,那么编译器就会把其中的#if 与 #endif之间的代码编译进去(注意:是编译进去,不是执行!!)#if defined...
分类:其他好文   时间:2014-10-28 21:25:51    阅读次数:134
報錯:One or more validation errors were detected during model generation:System.Data.Edm.EdmEntityType: : EntityType 'Movie' has no key
報錯:One or more validation errors were detected during model generation:System.Data.Edm.EdmEntityType: : EntityType 'Movie' has no key defined. Define ...
分类:其他好文   时间:2014-10-28 13:28:44    阅读次数:196
[leetcode]Balanced Binary Tree
问题描述: 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 of the two subtrees of every node nev...
分类:其他好文   时间:2014-10-27 21:25:12    阅读次数:193
CV_EXPORTS定义及作用
CV_EXPORTS 常用如下:class CV_EXPORTS MatExpr;template class CV_EXPORTS Size_;CV_EXPORTS 定义于types_c.h:#if (defined WIN32 || defined WIN64) && defined CVAPI...
分类:其他好文   时间:2014-10-27 14:06:03    阅读次数:269
[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:2014-10-26 14:22:44    阅读次数:183
Type Correlation
Types of correlation:Logical correlation: Using pre-defined and customized correlation rules.Inventory correlation: Through inventory look ups the sys...
分类:其他好文   时间:2014-10-25 21:26:33    阅读次数:168
NULL, '\0',0 '0'的区别
如题,在程序中经常遇到NULL,和'\0',常常疑惑它们是什么关系,其实它们的值是一样的,只不过表现的形式不一样:1、NULL; NULL 即空指针,在C和C++中的形式不一样,msdn上有如下的内容那个:#if !defined(NULL)&&defined(__NEEDS_NULL)#ifdef...
分类:其他好文   时间:2014-10-24 14:18:48    阅读次数:156
Java StringTokenizer Example
In Java, you can use StringTokennizer class to split a String into different tokenas by defined delimiter.(space is the default delimiter). Here’re tw...
分类:编程语言   时间:2014-10-24 06:51:08    阅读次数:233
Balanced Binary Tree 平衡二叉树
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:2014-10-23 15:39:15    阅读次数:149
Balanced Binary Tree
Balanced Binary TreeGiven a binary tree, determine if it is height-balanced.For this problem, a height-balanced binary tree is defined as a binary tre...
分类:其他好文   时间:2014-10-22 12:29:07    阅读次数:171
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