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Subscripts in plots in R

I can't find a way how to write subscripts in the title or the subtitle in R. How can I write v 1,2 with 1,2 as subscripts? ...
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ERROR 2006 (HY000): MySQL server has gone away

I get this error when I try to source a large SQL file (a big INSERT query). 20 Answers ...
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Abstract classes in Swift Language

Is there a way to create an abstract class in the Swift Language, or is this a limitation just like Objective-C? I'd like to create a abstract class comparable to what Java defines as an abstract class. ...
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Entity Framework: table without primary key

I have an existing DB with which I would like to build a new app using EF4.0 18 Answers ...
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Convert Enumeration to a Set/List

Is there some one-liner bridge method to dump a given Enumeration to java.util.List or java.util.Set? 6 Answers ...
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Changing Ctrl + Tab behavior for moving between documents in Visual Studio

Is it possible to change how Ctrl + Tab and Shift + Ctrl + Tab work in Visual Studio? I have disabled the popup navigator window, because I only want to switch between items in the tab control. My problem is the inconsistency of what switching to the next and previous document do. ...
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How do I include a pipe | in my linux find -exec command?

This isn't working. Can this be done in find? Or do I need to xargs? 6 Answers 6 ...
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Why do I get the error “Unsafe code may only appear if compiling with /unsafe”?

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Repeat a task with a time delay?

I have a variable in my code say it is "status". 12 Answers 12 ...
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Convert to/from DateTime and Time in Ruby

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