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Select first 4 rows of a data.frame in R

... answered Apr 19 '10 at 13:45 Eduardo LeoniEduardo Leoni 8,74466 gold badges3838 silver badges4646 bronze badges ...
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Reading specific lines only

... to read a file, but I only want to read specific lines, say line #26 and #30. Is there any built-in feature to achieve this? ...
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How do you produce a .d.ts “typings” definition file from an existing JavaScript library?

I'm using a lot of libraries both my own and 3rd party. I see the "typings" directory contains some for Jquery and WinRT... but how are they created? ...
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Proper way to use AJAX Post in jquery to pass model from strongly typed MVC3 view

... my "jargon" is not correct. I've got a project using ASP.NET using the MVC3 framework. 5 Answers ...
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How can you make a custom keyboard in Android?

... 83 First of all you will need a keyboard.xml file which will be placed in the res/xml folder (if th...
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Selecting and manipulating CSS pseudo-elements such as ::before and ::after using jQuery

... Eric 6,28455 gold badges3434 silver badges5959 bronze badges answered Apr 20 '11 at 17:59 Nick KlineNick Kline ...
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How to use a variable for a key in a JavaScript object literal?

... 723 { thetop : 10 } is a valid object literal. The code will create an object with a property named...
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@Resource vs @Autowired

... In spring pre-3.0 it doesn't matter which one. In spring 3.0 there's support for the standard (JSR-330) annotation @javax.inject.Inject - use it, with a combination of @Qualifier. Note that spring now also supports the @javax.inject.Quali...
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Why does Eclipse Java Package Explorer show question mark on some classes?

... 133 It means the class is not yet added to the repository. If your project was checked-out (most p...
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Chrome says “Resource interpreted as script but transferred with MIME type text/plain.”, what gives?

... 203 It means that the server is sending a Javascript HTTP response with Content-Type: text/plain ...