原文:Asp.Net MVC5入门学习系列④ 添加Model且简单的使用EF 对于EF(EntityFramework)不了解的朋友可以去百度文科或者在园子里搜一些简资源看下,假如和我一样知道EF的概念,那么就知道EF有一个code first的特性,什么意思呢!说的通俗简单明了点就是:通过代码映射...
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Web程序 时间:
2014-07-22 23:32:18
阅读次数:
335
Problem J Permutation CountingDexter considers a permutation of first N natural numbers good if it doesn't have x and x+1 appearing consecutively, whe...
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其他好文 时间:
2014-07-22 23:22:27
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249
The first solution I figured out is O(n^3). I thought it must be O(n^2) to get max points on a line for a given point.. but after checking several art...
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其他好文 时间:
2014-07-22 22:47:15
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226
初始化: std::pair p; //initialize p.first and p.second with zero std::pair p(42, "hello"); make_pair(42, "hello"); // no need for the var name, it's r...
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其他好文 时间:
2014-07-22 22:47:13
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209
1.选用适合的ORACLE优化器 ORACLE的优化器共有3种: a.RULE(基于规则)b.COST(基于成本)c.CHOOSE(选择性) 设置缺省的优化器,可以通过对init.ora文件中OPTIMIZER_MODE参数的各种声明,如RULE,COST,CHOOSE,ALL_ROWS,FIRST...
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数据库 时间:
2014-07-22 22:45:53
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269
1 2 3 showModelessDialogEX.htm 4 15 16 17 Enter your first name: Joan 18 19 20 Here is the code for "myDial...
1.使用vi/vim进行编写代码并保存为hello_world.c.如下:/* This is my first C program*/#include int main(){ printf("Hello World!\n"); return 0;}2.使用gcc进行编译...
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系统相关 时间:
2014-07-22 22:43:35
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243
For the one pass solution... first I tried to build white\blue from red, but not working anyway. Then I referred someone' code, to build red\blue from...
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其他好文 时间:
2014-07-22 22:42:54
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212
Wavio Sequence
Wavio is a sequence of integers. It has some interesting properties.
· Wavio is of odd length i.e. L = 2*n + 1.
· The first (n+1) integers of Wavio sequence makes a strictly i...
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其他好文 时间:
2014-07-22 14:36:14
阅读次数:
248
In one embodiment, a first stationary router may detect a disconnected backhaul link to a destination. In response to detecting the disconnected backh...
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其他好文 时间:
2014-07-22 00:01:35
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370