码迷,mamicode.com
首页 >  
搜索关键字:level order    ( 23817个结果
C++ Q&A
**Why can I access private variables in the copy constructor?** >The access modifiers work on **class level**, and not on object level.That is, two ob...
分类:编程语言   时间:2014-05-12 15:06:06    阅读次数:315
sql语句查询重复的数据
查找所有重复标题的记录:SELECT *FROM t_info aWHERE ((SELECT COUNT(*)FROM t_infoWHERE Title = a.Title) > 1)ORDER BY Title DESC一。查找重复记录1。查找全部重复记录Select * From 表 Whe...
分类:数据库   时间:2014-05-12 13:12:01    阅读次数:384
北向接口和南向接口
下面是它们的英文定义:A northbound interface is an interface that conceptualizes lower level details. It interfaces to higher level layers and is normally drawn ...
分类:其他好文   时间:2014-05-12 10:43:29    阅读次数:296
【LeetCode】Convert Sorted List to Binary Search Tree
Given a singly linked list where elements are sorted in ascending order, convert it to a height balanced BST.1. 将LinkedList的值保存到一个数组中,转化成Convert Sorte...
分类:其他好文   时间:2014-05-12 05:53:09    阅读次数:367
mysql limit性能问题
offset大的时候的比较SELECT * FROM persons LIMIT 200000,10;耗时0.078sSELECT *FROM persons WHERE id>=(SELECT id FROM persons ORDER BY id LIMIT 200000,1) LIMIT 10...
分类:数据库   时间:2014-05-11 16:23:57    阅读次数:322
Android——硬件加速(Hardware Acceleration(硬件加速)
从Android3.0(API Level 11)开始,Android 2D渲染管道能够更好的支持硬件加速。硬件加速执行的所有的绘图操作都是使用GPU在View对象的画布上来进行的。因为启用硬件加速会增加资源的需求,因此这样的应用会占用更多的内存。 启用硬件加速的最容易的方法是给整个应用程序都打开全局硬件加速功能。如果应用程序只使用标准的View和Drawable,那么打开全局硬件加速不会导致任...
分类:移动开发   时间:2014-05-11 15:08:17    阅读次数:450
How to authenticate a user by uid and password?
原文地址:Authentication options|Basic authorizationIf you want to use simple binds with user DN and password within a Java component, in order to authenti...
分类:其他好文   时间:2014-05-10 20:27:03    阅读次数:485
hdu 3371 Connect the Cities
Problem DescriptionIn 2100, since the sea level rise, most of the cities disappear. Though some survived cities are still connected with others, but m...
分类:其他好文   时间:2014-05-10 07:33:38    阅读次数:265
查询表的内容
1:as给表另外命名2:desc倒序3:order by分组4:select*form表名where条件
分类:其他好文   时间:2014-05-10 06:44:37    阅读次数:317
Pat(Advanced Level)Practice--1076(Forwards on Weibo)
Pat1076代码 题目描述: Weibo is known as the Chinese version of Twitter. One user on Weibo may have many followers, and may follow many other users as well. Hence a social network is formed with foll...
分类:其他好文   时间:2014-05-10 04:50:24    阅读次数:403
© 2014 mamicode.com 版权所有  联系我们:gaon5@hotmail.com
迷上了代码!