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How to use R's ellipsis feature when writing your own function?

The R language has a nifty feature for defining functions that can take a variable number of arguments. For example, the function data.frame takes any number of arguments, and each argument becomes the data for a column in the resulting data table. Example usage: ...
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Why do I get a segmentation fault when writing to a “char *s” initialized with a string literal, but

The following code receives seg fault on line 2: 17 Answers 17 ...
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Break when a value changes using the Visual Studio debugger

Is there a way to place a watch on variable and only have Visual Studio break when that value changes? 13 Answers ...
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PHP Sort Array By SubArray Value

I have the following array structure: 6 Answers 6 ...
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What is the syntax rule for having trailing commas in tuple definitions?

In the case of a single element tuple, the trailing comma is required. 10 Answers 10 ...
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Difference between a class and a module

I came from Java, and now I am working more with Ruby. 9 Answers 9 ...
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String formatting named parameters?

I know it's a really simple question, but I have no idea how to google it. 6 Answers 6...
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How to call getClass() from a static method in Java?

I have a class that must have some static methods. Inside these static methods I need to call the method getClass() to make the following call: ...
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Android: AsyncTask vs Service

Why do I read in the answer to most questions here a lot about AsyncTask and Loaders but nothing about Services ? Are Services just not known very well or are they deprecated or have some bad attributes or something? What are the differences? ...
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Hash Code and Checksum - what's the difference?

My understanding is that a hash code and checksum are similar things - a numeric value, computed for a block of data, that is relatively unique. ...