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EntityFrameWork Parameter '@columnType' must be defined.
环境:EntityFrameWorkCodeFirst+MySql今天在提交一个外键字段的修改时报“Parameter '@columnType' must be defined.”google了一下解决方法在链接字符串中加入这样一句话“;Allow User Variables=True”就可以了...
分类:其他好文   时间:2014-11-23 12:56:06    阅读次数:246
Bandwidth
Given a graph (V,E) where V is a set of nodes and E is a set of arcs in VxV, and an ordering on the elements in V, then the bandwidth of a node v is defined as the maximum distance in the ordering ...
分类:其他好文   时间:2014-11-21 23:21:51    阅读次数:285
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:2014-11-21 21:41:20    阅读次数:252
#ifdef、#if defined、#ifndef的使用
1.#ifdef和#if defined     注意两者都有个define的作用,区别在于使用方式上。前者的通常用法是: #ifdef  X    .... #else    .... #endif     只能在两者中选择是否有定义。对于后者,常用法是: #if defined x1    .... #elif defined x2    .... #elif de...
分类:其他好文   时间:2014-11-21 16:21:03    阅读次数:131
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:2014-11-20 13:39:29    阅读次数:113
Balanced Binary Tree 判断平衡二叉树
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:2014-11-20 01:16:54    阅读次数:172
[ES6] 04. The let keyword -- 2 Fiald case
Fialdcase 1: let can work in it's block{ let a = 10; var b = 1;}a // ReferenceError: a is not defined.b //1Case 2: Let has no "Hosting" Problemf...
分类:其他好文   时间:2014-11-19 23:56:04    阅读次数:321
Android - Telephony API 1.6
SignalStrength :1.publicintgetGsmSignalStrength() :GSM Signal Strength, valid values are (0-31, 99) as defined in TS 27.007 8.52.publicintgetGsmBitErr...
分类:移动开发   时间:2014-11-19 10:25:30    阅读次数:196
OpenCV Tutorials —— Hough Circle Transform
Hough 圆变换 和 Hough 直线变换原理相同,只是参数空间不同 : In the line detection case, a line was defined by two parameters . In the circle case, we need three parameters ...
分类:其他好文   时间:2014-11-19 00:14:29    阅读次数:198
窗口浮动4生1模式
//////////////////////////scbarg.h//////////////////////Download by http://www.NewXing.com#if !defined(__SCBARG_H__)#define __SCBARG_H__ #if _MSC_VER ...
分类:其他好文   时间:2014-11-18 23:10:28    阅读次数:267
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