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Extract a dplyr tbl column as a vector

... This seems the most versatile method as it works identically with vectors and data.frames, i.e. it enables functions to be more agnostic. – geotheory Mar 14 '17 at 10:03 ...
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What is the difference between Int and Integer?

...answered May 16 '14 at 21:28 200_success200_success 6,40311 gold badge3434 silver badges6666 bronze badges ...
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When to use generic methods and when to use wild-card?

...eed such kind of relation, then you are free not to use type parameters at all. Some other difference between using wildcards and type parameters are: If you have only one parameterized type argument, then you can use wildcard, although type parameter will also work. Type parameters support multi...
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Android SDK on a 64-bit linux machine

... Yes, it is. You need to install the ia32 libraries. Check out the Ubuntu Linux troubleshooting section. apt-get install ia32-libs apt-get install sun-java6-jdk share ...
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SimpleTest vs PHPunit

...here again even so I already did it on some other (newer) questions. I'm really really baffled that SimpleTest still is considered an alternative to phpunit. Maybe i'm just misinformed but as far as I've seen: PHPUnit is the standard; most frameworks use it (like Zend Framework (1&2), Cake, Aga...
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What's the difference setting Embed Interop Types true and false in Visual Studio?

...emblies) for interop. It simply embeds the managed bridging code used that allows you to talk to unmanaged assemblies, but instead of embedding it all it only creates the stuff you actually use in code. Read more in Scott Hanselman's blog post about it and other VS improvements here. As for whether ...
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Ruby - test for array

... Type checking is for Java. Go ahead and just call count on the variable. Write unit tests to make sure the method works as expected. – user132447 Mar 21 '12 at 14:55 ...
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How do I URL encode a string

...om/message/15674#15674 http://simonwoodside.com/weblog/2009/4/22/how_to_really_url_encode/ share | improve this answer | follow | ...
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JavaScript implementation of Gzip [closed]

I'm writing a Web application that needs to store JSON data in a small, fixed-size server-side cache via AJAX (think: Opensocial quotas ). I do not have control over the server. ...
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Testing Abstract Classes

...ted, you need means to UT the concrete methods of abstract classes. Personally, I use PHPUnit, and it has so called stubs and mock objects to help you testing this kind of things. Straight from PHPUnit manual: abstract class AbstractClass { public function concreteMethod() { retur...