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MYSQL OR vs IN performance

... 251 I needed to know this for sure, so I benchmarked both methods. I consistenly found IN to be mu...
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Xcode doesn't show the line that causes a crash

... answered Oct 9 '11 at 12:42 CarterCarter 4,60222 gold badges1717 silver badges2424 bronze badges ...
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Force Git to always choose the newer version during a merge?

... 2 Answers 2 Active ...
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Maven error “Failure to transfer…”

I am trying to set up a project using Maven (m2eclipse), but I get this error in Eclipse: 21 Answers ...
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deleting rows in numpy array

...numpy.delete method. Suppose I have the following array x: x = array([[1,2,3], [4,5,6], [7,8,9]]) To delete the first row, do this: x = numpy.delete(x, (0), axis=0) To delete the third column, do this: x = numpy.delete(x,(2), axis=1) So you could find the indices of the row...
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“Order by Col1, Col2” using entity framework

I need to order by 2 columns using the entity framework. 5 Answers 5 ...
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Getting MAC Address

... Python 2.5 includes an uuid implementation which (in at least one version) needs the mac address. You can import the mac finding function into your own code easily: from uuid import getnode as get_mac mac = get_mac() The return ...
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Apache两种工作模式区别及配置切换 - 更多技术 - 清泛网 - 专注C/C++及内核技术

...in下,使用以下命令查看即可。使用命令:. httpd -v示例:2、查看Apache当前工作模...1、Redhat Linux下查看apache版本号 在Apache安装目录bin下,使用以下命令查看即可。 使用命令:./httpd -v 示例: 2、查看Apache当前工作模式 Apach...
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return query based on date

...after a given date: db.gpsdatas.find({"createdAt" : { $gte : new ISODate("2012-01-12T20:15:31Z") }}); I'm using $gte (greater than or equals), because this is often used for date-only queries, where the time component is 00:00:00. If you really want to find a date that equals another date, the s...
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Is there a way to break a list into columns?

... 259 The CSS solution is: http://www.w3.org/TR/css3-multicol/ The browser support is exactly what ...