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比较长的sql语句
SELECT o. *FROM hq_goods gLEFT JOIN hq_orders o ON o.goods_id = g.idWHERE o.user_id =73AND o.state =1AND o.id not in( select c.order_id from hq_comme....
分类:数据库   时间:2014-06-04 21:36:03    阅读次数:297
Sort Colors
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...
分类:其他好文   时间:2014-06-04 20:49:33    阅读次数:276
Spiral Matrix
Given a matrix ofmxnelements (mrows,ncolumns), return all elements of the matrix in spiral order.For example,Given the following matrix:[ [ 1, 2, 3 ]....
分类:其他好文   时间:2014-06-04 20:06:52    阅读次数:256
Subsets
Given a set of distinct integers,S, return all possible subsets.Note: Elements in a subset must be in non-descending order. The solution set m...
分类:其他好文   时间:2014-06-04 20:01:32    阅读次数:340
Permutation Sequence
The set[1,2,3,…,n]contains a total ofn! unique permutations.By listing and labeling all of the permutations in order,We get the following sequence (ie...
分类:其他好文   时间:2014-06-04 19:56:17    阅读次数:347
Spiral Matrix II
Given an integern, generate a square matrix filled with elements from 1 ton2in spiral order.For example,Givenn=3,You should return the following matri...
分类:其他好文   时间:2014-06-04 19:28:23    阅读次数:220
LeetCode: Sort Colors 题解
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...
分类:其他好文   时间:2014-06-03 13:13:50    阅读次数:537
mysql index hint 在index不存在时的处理
关于index_hint 在mysql查询语句中可以通过指定index_hint来告诉优化器如何使用索引,详细可以参考这里index_hint: USE {INDEX|KEY} [FOR {JOIN|ORDER BY|GROUP BY}] ([index_list]) | IGNO...
分类:数据库   时间:2014-06-03 13:05:59    阅读次数:394
SQL总结(一)基本查询
本文希望通过简单的总结,把常用的查询方法予以总结,希望能够明确在心主要涵盖:模糊查询、排序、分组、集合函数、TOP、Case包括:Between、In、Like、And、Or、Order by包括:Group by、Distinct、MAX\MIN、Avg、Count、Sum、Having、Top、...
分类:数据库   时间:2014-05-29 23:13:46    阅读次数:456
FreeRTOS的application assignment
Please follow the steps precisely in order to complete the objectives of the assignment. If you use the C++ FreeRTOS framework, it should make the ass...
分类:移动开发   时间:2014-05-29 16:53:33    阅读次数:483
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