http://blog.csdn.net/yangyu112654374/article/details/4251624比如一条sql语句select * from TABLE1 where A1=1 and A2=2 and A3=3 order by A4 ASC;优化后是这样: select ...
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数据库 时间:
2015-03-16 19:07:27
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539
Given a linked list and a value x, partition it such that all nodes less than x come before nodes greater than or equal to x.
You should preserve the original relative order of the nodes in each of...
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其他好文 时间:
2015-03-16 17:55:05
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105
Given a binary tree, return the zigzag level order traversal of its nodes' values. (ie, from left to right, then right to left for the next level and alternate between).
For example:
Given binary tr...
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其他好文 时间:
2015-03-16 16:34:14
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107
标题:Subsets通过率:28.2%难度:中等Given a set of distinct integers,S, return all possible subsets.Note:Elements in a subset must be in non-descending order.The ...
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其他好文 时间:
2015-03-16 16:20:18
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82
Given an array withnobjects colored red, white or blue, sort them so that objects of the same color are adjacent, with the colors in the order red, wh...
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编程语言 时间:
2015-03-16 12:23:02
阅读次数:
140
Given a binary tree, return the level order traversal of its nodes' values. (ie, from left to right, level by level).
For example:
Given binary tree {3,9,20,#,#,15,7},
3
/ 9 20
...
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其他好文 时间:
2015-03-16 11:03:15
阅读次数:
139
loadByIncrementId(100000001); // 100000001为订单编号// 获取订单状态$status = $order->getStatus();$state = $order->getState();echo $status;echo "\r\n";echo $state...
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其他好文 时间:
2015-03-16 11:00:32
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145
很多技巧从国外的paper学到的,不过国内没有多少人使用,所以发出来,笔记下~一、order by 的参数注入技巧:两种方法,思路都一样。example. “select username,password from uc_members order by”.$_GET['oderby']a.常见的...
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数据库 时间:
2015-03-16 10:56:25
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168
Given an array where elements are sorted in ascending order, convert it to a height balanced BST.分治是比较好而且容易想到的思路。 1 class Solution { 2 public: 3 T...
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其他好文 时间:
2015-03-15 23:32:20
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212
知道linq有order by的功能,但是还是动手研究了一下,算是多实践实践反射。这篇算是笔记,直接上代码:
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编程语言 时间:
2015-03-15 22:47:23
阅读次数:
145