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How to properly document S4 class slots using Roxygen2?

For documenting classes with roxygen(2), specifying a title and description/details appears to be the same as for functions, methods, data, etc. However, slots and inheritance are their own sort of animal. What is the best practice -- current or planned -- for documenting S4 classes in roxygen2? ...
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How to show first commit by 'git log'?

I have a project which has long history. I want to show the first commit on git. 6 Answers ...
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Convert list to tuple in Python

I'm trying to convert a list to a tuple. 6 Answers 6 ...
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What do we mean by Byte array? [closed]

Could someone please explain, I do not exactly get the concept. 3 Answers 3 ...
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How is performance affected by an unused using directive?

Visual Studio will automatically create using statements for you whenever you create a new page or project. Some of these you will never use. ...
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How can you find the height of text on an HTML canvas?

The spec has a context.measureText(text) function that will tell you how much width it would require to print that text, but I can't find a way to find out how tall it is. I know it's based on the font, but I don't know to convert a font string to a text height. ...
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#ifdef in C#

I would like to do the below but in C# instead of C++ 3 Answers 3 ...
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Maximum concurrent Socket.IO connections

This question has been asked previously but not recently and not with a clear answer. 5 Answers ...
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Matplotlib: draw grid lines behind other graph elements

In Matplotlib, I make dashed grid lines as follows: 4 Answers 4 ...
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Setting environment variables for accessing in PHP when using Apache

I have a Linux environment and I have a PHP Web Application that conditionally runs based on environment variables using getenv in PHP. I need to know how these environment variables need to be set for the application to work correctly. I am not sure how to set this up on Apache. ...