Here some simple tips to optimize your application for production.Configure your application.confFirst off, the best way to specify production mode is...
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移动开发 时间:
2015-04-22 13:26:47
阅读次数:
231
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...
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移动开发 时间:
2015-04-17 10:59:27
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180
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(...
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其他好文 时间:
2015-04-13 14:32:59
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108
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(...
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其他好文 时间:
2015-04-13 12:20:33
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101
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?
...
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其他好文 时间:
2015-04-09 10:33:09
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143
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....
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数据库 时间:
2015-04-07 17:34:17
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187
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...
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数据库 时间:
2015-04-02 18:26:13
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147
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(...
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其他好文 时间:
2015-03-21 16:45:27
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114
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...
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其他好文 时间:
2015-03-19 18:46:54
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1082
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...
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其他好文 时间:
2015-03-18 12:14:34
阅读次数:
155