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Put your application in production
Here some simple tips to optimize your application for production.Configure your application.confFirst off, the best way to specify production mode is...
分类:移动开发   时间:2015-04-22 13:26:47    阅读次数:231
iOS layoutSubviews 什么时候会被调用
原文:When does layoutSubviews get called?It’s important to optimize any UIView layoutSubviews method you create, as it can be frequently called, and has...
分类:移动开发   时间:2015-04-17 10:59:27    阅读次数:180
Pascal's Triangle II
Given an indexk, return thekthrow of the Pascal's triangle.For example, givenk= 3,Return[1,3,3,1].Note:Could you optimize your algorithm to use onlyO(...
分类:其他好文   时间:2015-04-13 14:32:59    阅读次数:108
Pascal's Triangle II
Given an indexk, return thekthrow of the Pascal's triangle.For example, givenk= 3,Return[1,3,3,1].Note:Could you optimize your algorithm to use onlyO(...
分类:其他好文   时间:2015-04-13 12:20:33    阅读次数:101
Pascal's Triangle II--LeetCode
题目: Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3, Return [1,3,3,1]. Note: Could you optimize your algorithm to use only O(k) extra space? ...
分类:其他好文   时间:2015-04-09 10:33:09    阅读次数:143
数据库 两个简单实用的表级优化方法
analyze table 表名; //分析和存储表的关键字分布check table 表名; //检查一个或多个表是否有错误optimize table 表名; //如果含有可变长度行的表如果进行了很多更改,则会出现比较多碎片。索引不能使用的原因:(1)以%开头的LIKE查询不能够利用B-Tre....
分类:数据库   时间:2015-04-07 17:34:17    阅读次数:187
Top 10 steps to optimize data access in SQL Server
2009年04月28日Top 10 steps to optimize data access in SQL Server: Part I (use indexing)2009年06月01日Top 10 steps to optimize data access in SQL Server: Par...
分类:数据库   时间:2015-04-02 18:26:13    阅读次数:147
Pascal's Triangle II —LeetCode
Given an indexk, return thekthrow of the Pascal's triangle.For example, givenk= 3,Return[1,3,3,1].Note:Could you optimize your algorithm to use onlyO(...
分类:其他好文   时间:2015-03-21 16:45:27    阅读次数:114
centos7 安装nbd
uname?-r?#->?3.10.0-123.el7.x86_64 yum?install?kernel-devel?kernel-headers cd?/tmp wget?http://vault.centos.org/7.0.1406/os/Source/SPackages/kernel-3.10.0-123.el7.src.rpm rpm?-ihv?kerne...
分类:其他好文   时间:2015-03-19 18:46:54    阅读次数:1082
Pascal's Triangle II(帕斯卡三角形)
Given an index k, return the kth row of the Pascal's triangle. For example, given k = 3,Return [1,3,3,1].Note:Could you optimize your algorithm to use...
分类:其他好文   时间:2015-03-18 12:14:34    阅读次数:155
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