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type object 'datetime.datetime' has no attribute 'datetime'

... LyonJohn Lyon 9,22222 gold badges3333 silver badges4040 bronze badges 3 ...
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Rails 4 Authenticity Token

I was working on a new Rails 4 app (on Ruby 2.0.0-p0) when I ran into some authenticity token problems. 13 Answers ...
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How do I delete rows in a data frame?

...'-' operator. So, assuming the data.frame is called myData: myData[-c(2, 4, 6), ] # notice the - Of course, don't forget to "reassign" myData if you wanted to drop those rows entirely---otherwise, R just prints the results. myData <- myData[-c(2, 4, 6), ] ...
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qmake: could not find a Qt installation of ''

... ptmonoptmono 1,95222 gold badges1414 silver badges88 bronze badges 1 ...
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How to print matched regex pattern using awk?

... 148 This is the very basic awk '/pattern/{ print $0 }' file ask awk to search for pattern using ...
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One or more types required to compile a dynamic expression cannot be found. Are you missing referenc

...ady referenced yet I still had this error. I had created a new ASP.Net MVC4 application in VS 2010. Stumped, I removed and readded it, and the error went away. Cleaning/Rebuilding did not help. – Paul Mar 22 '13 at 21:54 ...
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Counting the occurrences / frequency of array elements

... jpaugh 5,44044 gold badges3232 silver badges7979 bronze badges answered Apr 14 '11 at 18:58 Šime VidasŠime V...
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How do I detect what .NET Framework versions and service packs are installed?

...5 1.1 HKLM\Software\Microsoft\NET Framework Setup\NDP\v1.1.4322\Install 2.0 HKLM\Software\Microsoft\NET Framework Setup\NDP\v2.0.50727\Install 3.0 HKLM\Software\Microsoft\NET Framework Setup\NDP\v3.0\Setup\InstallSuccess 3.5 HKLM\Softwa...
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Suppress Scientific Notation in Numpy When Creating Array From Nested List

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Using ViewPagerIndicator library with Android Studio and Gradle

...dd that dependency : compile 'fr.avianey.com.viewpagerindicator:library:2.4.1.1@aar' And declare maven central like this : repositories { mavenCentral() } Hope it helps... share | improve ...