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Understanding Safari Reader
Interesting enough to find out the Reader function in Safari is actually Javascript and there are many interesting stuff from the 2000 line code: * 5 main parts in the file: * 1. define const * 2...
分类:其他好文   时间:2014-07-08 13:11:46    阅读次数:469
《Algorithm in C》by Sedgewick 读书笔记
Update: July 4, 2014 Chap 5: At the beginning, he mentioned that: recursion is a divide-and-conquer method. Although many algorithms can be solved in ...
分类:其他好文   时间:2014-07-06 15:24:36    阅读次数:213
Climbing Stairs
You are climbing a stair case. It takes n steps to reach to the top. Each time you can either climb 1 or 2 steps. In how many distinct ways can you climb to the top? 有f(n) = f(n - 1) + f(n...
分类:其他好文   时间:2014-07-04 08:39:44    阅读次数:304
Oracle数据库用EF操作的示例
Using EF Oracle Sample Provider with EDM Designer (from msdn)Many people are asking if it is possible to use EFOracleProvider with EDM Designer in Vis...
分类:数据库   时间:2014-07-03 00:29:01    阅读次数:412
Leetcode Unique Binary Search Trees
Givenn, how many structurally uniqueBST's(binary search trees) that store values 1...n?For example,Givenn= 3, there are a total of 5 unique BST's. 1.....
分类:其他好文   时间:2014-07-02 22:13:23    阅读次数:191
测试我的笔记本能承受多少个线程创建
/**** test how many threads can be created in x86 32 system* * ubuntu 13.0***************************************************************...
分类:编程语言   时间:2014-07-02 21:46:24    阅读次数:178
hibernate--关联映射(多对一,一对一)
多对一 关联映射 --- many-to-one 场景:用户和组;从用户角度来,多个用户属于一个组(多对一 关联) 使用hibernate开发的思路:先建立对象模型(领域模型),把实体抽取出来。 目前两个实体:用户和组两个实体,多个用户属于一个组,那么一个用户都会对应于一个组,所以用户实体中应该有一...
分类:系统相关   时间:2014-07-02 20:42:17    阅读次数:387
HDU - 3038 How Many Answers Are Wrong (带权并查集)
题意:n个数,m次询问,每次问区间a到b之间的和为s,问有几次冲突 思路:带权并查集的应用,[a, b]和为s,所以a-1与b就可以确定一条边,通过计算与根的距离可以判断出询问的正确性 #include #include #include #include using namespace std; const int MAXN = 200010; int f[MAXN],arr[MA...
分类:其他好文   时间:2014-07-02 16:38:40    阅读次数:177
hdu 1316 How Many Fibs? (模拟高精度)
题目大意: 问[s,e]之间有多少个 斐波那契数。 思路分析: 直接模拟高精度字符串的加法和大小的比较。 注意wa点再 s 可以从 0 开始 那么要在判断输入结束的时候注意一下。 #include #include #include #include using namespace std; struct node { char str[111]; ...
分类:其他好文   时间:2014-07-01 16:08:10    阅读次数:243
ios swift reduce Method
Swift’s API includes many functions and instance methods that reflect its functional programming heritage. A prime example is calledreduce.You can red...
分类:移动开发   时间:2014-07-01 00:27:22    阅读次数:329
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