原文：https://msdn.microsoft.com/en-us/data/dn456843.aspxPrior to EF6 Entity Framework insisted on opening the database connection itself (it threw an ex...
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其他好文 时间：
2015-06-25 10:25:55
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142
1. Question判断一个二叉树是否是对称的。Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree i...
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其他好文 时间：
2015-06-24 23:54:40
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183
Description
The Pizazz Pizzeria prides itself in delivering pizzas to its customers as fast as possible. Unfortunately, due to cutbacks, they can afford to hire only one driver to do the deliveries...
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其他好文 时间：
2015-06-22 15:07:09
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143
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).
For example, this binary tree is symmetric:
1
/ 2 2
/ \ / 3 4 4 3
But the f...
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其他好文 时间：
2015-06-21 14:37:26
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145
Description：Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: ...
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其他好文 时间：
2015-06-19 18:09:13
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81
Given a binary tree, check whether it is a mirror of itself (ie, symmetric around its center).For example, this binary tree is symmetric: 1 / \ ...
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其他好文 时间：
2015-06-19 10:12:00
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128
http://www.lintcode.com/en/problem/count-of-smaller-number-before-itself/这道题目是动态添加线段树的元素，然后再查询。数据集和描述不相符，坑class Solution {public: /** * @param A...
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其他好文 时间：
2015-06-18 15:07:34
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161
For a positive integer N , the digit-sum of N is defined as the sum of N itself and its digits. When M is the digitsum of N , we call N a generator of M .For example, the digit-sum of 245 is 256 (= 245...
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其他好文 时间：
2015-06-17 21:40:45
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220
原文参考链接：How to use STIX for Automated Sharing and Graphing of Cyber Threat Data本文不打算进行翻译操作，只讲重点和我个人的看法。原文是我最近读过的文章中思路最清晰，或者说我最能看懂的一篇…………STIX Overview
STIX itself is a set of XML schemas which together...
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其他好文 时间：
2015-06-17 13:32:18
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387
这几天把Programming with Objective-C再看了一边，发现有很多以前不明确的地方。现在把一些重要的点记下来，巩固学习效果。1.Objective-C Classes Are also Objects（OC类也是对象）In Objective-C, a class is itself an object with an opaque type called Class. Clas...
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其他好文 时间：
2015-06-15 18:57:31
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144
