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Using R to download zipped data file, extract, and import data

@EZGraphs on Twitter writes: "Lots of online csvs are zipped. Is there a way to download, unzip the archive, and load the data to a data.frame using R? #Rstats" ...
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Is there any difference between “!=” and “” in Oracle Sql?

I would like to know if there are any differences in between the two not equal operators <> and != in Oracle. 4...
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How do I provide a username and password when running “git clone git@remote.git”?

I know how to provide a username and password to an HTTPS request like this: 10 Answers ...
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Styling input buttons for iPad and iPhone

...yle the input buttons on my website, but on IOS devices the styling is replaced by Mac's default buttons. Is there a way to style buttons for iOS, or a way to maybe make a hyperlink that behaves like a submit button? ...
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css z-index lost after webkit transform translate3d

I have two absolutely positioned div elements that overlap. Both have set z-index values via css. I use the translate3d webkit transform to animate these elements off the screen, and then back onto the screen. After the transform, the elements no longer respect their set z-index values. ...
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How to center a subview of UIView

I have a UIView inside a UIView m and I want the inner UIView to be always centered inside the outer one, without it having to resize the width and height. ...
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How to determine an object's class?

If class B and class C extend class A and I have an object of type B or C , how can I determine of which type it is an instance? ...
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Why does PostgreSQL perform sequential scan on indexed column?

Very simple example - one table, one index, one query: 4 Answers 4 ...
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How to forward declare a C++ template class?

Given a template class like the following: 3 Answers 3 ...
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Jinja2 template variable if None Object set a default value

How to make a variable in jijna2 default to "" if object is None instead of doing something like this? 9 Answers ...