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通知---iOS
#import #define CHILD_WEAK_NOTIFC @"childe_week"@interface Child : NSObject@property (nonatomic,assign) int age;@property (nonatomic,assign) NSInteger...
分类:移动开发   时间:2014-08-19 00:47:13    阅读次数:298
伪类与伪元素的区别以及由来
伪类: :first-child :link :hover :active :visited :focus :lang伪元素: :first-line :first-letter :before :after注意:CSS3中伪元素前是两个冒号,如 ::first-lin...
分类:其他好文   时间:2014-08-18 09:14:33    阅读次数:240
UVA - 10497 Sweet Child Makes Trouble
Children are always sweet but they can sometimesmake you feel bitter. In this problem, you will see how Tintin, a five year’sold boy, creates trouble for his parents. Tintin is a joyful boy and is alw...
分类:其他好文   时间:2014-08-17 20:00:42    阅读次数:291
Huffman编码C实现
typedef int elemtype; typedef struct { elemtype weight; int parent,l_child,r_child; } binarytree; //2、构建最优二叉树 void CreateHuffman(int leafnum, binarytree *huffmantree) { //leafnum个叶子,决定nodenu...
分类:其他好文   时间:2014-08-17 14:22:32    阅读次数:280
kvo-观察者-iOS
#import @interface Child : NSObject@property (nonatomic,assign) int age;-(id) initWithAge:(int) age;@end#import "Child.h"@implementation Child-(id) in...
分类:移动开发   时间:2014-08-17 12:58:22    阅读次数:204
Tree Operations 打印出有向图中的环
题目: You are given a binary tree with unique integer values on each node. However, the child pointers on each node may point to any other node in the tree including itself, introducing cycles into the...
分类:其他好文   时间:2014-08-17 09:11:11    阅读次数:301
It Is Essential To Use Cellophane Bags To Protect These
Like most moms today are trying to reduce the amount of sugar and processed foods your child is in contact with the challenge is to come up with gadge...
分类:其他好文   时间:2014-08-15 12:35:48    阅读次数:253
Recursive sum in parent-child hierarchy T-SQL
---树形(父子关系类)分级类统计(父子统计)--涂聚文 2014-08-14drop table BookKindListcreate table BookKindList( BookKindID INT IDENTITY(1,1) PRIMARY KEY, BookKindName ...
分类:数据库   时间:2014-08-14 19:38:19    阅读次数:273
DataSet DataRelation
DataTable.ChildRelations Gets the collection of child relations for this DataTable.A DataRelation defines the relationship between two tables. Typical...
分类:其他好文   时间:2014-08-14 00:52:37    阅读次数:335
JAVA泛型多态
先度娘一下多态的概念:多态==晚绑定。 不要把函数重载理解为多态。 因为多态是一种运行期的行为,不是编译期的行为。 多态:父类型的引用可以指向子类型的对象。 比如 Parent p = new Child(); 当使用多态方式调用方法时,首先检查父类中是否有该方法,如果没有,则编译错误...
分类:编程语言   时间:2014-08-13 14:20:46    阅读次数:171
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