方法参考自: http://stackoverflow.com/questions/8422455/performing-a-like-comparison-on-an-int-field 也就是使用CAST转换指定字段,然后进行比较。具体样例代码如下: 但是这样做的话,MySQL不能使用对应int ...
分类:
数据库 时间:
2016-12-30 10:47:55
阅读次数:
1743
Kd树按空间划分生成叶子节点,各个叶子节点里存放点数据,其可以按半径搜索或邻区搜索。PCL中的Kd tree的基础数据结构使用了FLANN以便可以快速的进行邻区搜索。FLANN is a library for performing fast approximate nearest neighbor ...
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其他好文 时间:
2016-11-26 02:52:25
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468
// RSA, a suite of routines for performing RSA public-key computations in// JavaScript.//// Requires BigInt.js and Barrett.js.//// Copyright 1998-2005 ...
分类:
编程语言 时间:
2016-11-03 13:38:54
阅读次数:
347
1.4. Damping: https://www.sharcnet.ca/Software/Ansys/15.0.7/en-us/help/ans_str/Hlp_G_STR1D.html 8.7. Performing a Nonlinear Transient Analysis: https: ...
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其他好文 时间:
2016-10-28 19:58:03
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219
更新cocoapod的时候会出现 Performing a deep fetch of the `master` specs repo to improve future performance 的错误。 纠结半天,是因为pod steup的时候创建master这个库,没成功,之后就算移除镜像重新安 ...
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其他好文 时间:
2016-09-19 10:01:56
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165
事件与事件管理器(Events and Events Manager)¶ Models allow you to implement events that will be thrown when performing an insert/update/delete. They help defin ...
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其他好文 时间:
2016-09-17 21:58:27
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142
Description Memory is performing a walk on the two-dimensional plane, starting at the origin. He is given a string s with his directions for motion: A ...
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其他好文 时间:
2016-09-12 21:57:27
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159
The security manager is a class that allows applications to implement a security policy. It allows an application to determine, before performing a po ...
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其他好文 时间:
2016-09-09 12:06:00
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233
『Linux Capability』 For the purpose of performing permission checks, traditional UNIX implementations distinguish two categories of processes: privileg ...
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系统相关 时间:
2016-09-02 12:55:40
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332
在上传镜像或查看镜像的时候,报错: [root@linux-node1 ~]# glance image-list500 Internal Server Error: The server has either erred or is incapable of performing the requ ...
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其他好文 时间:
2016-08-26 18:13:28
阅读次数:
1401