Loop through a vector of vectors

When I loop through a vector of vectors, the result of each loop is several vectors. I would expect the result of each loop to be a vector. Please see the following example:

> foo <- seq(from=1,...

Use of “for (;;)” in a C# application?

I’ve been looking through some sample source code for an application I use and I came across this line:

for (;;)
// The rest of the application’s code
It looks like this is to create an infinite …