smac89

1.) Download a Nerd Font

2.) Unzip and copy to ~/.fonts

3.) Run the command fc-cache -fv to manually rebuild the font cache

smac89

Howto

Install these packages

sudo apt-get install gnome-raw-thumbnailer ufraw-batch

Check to see if everything works, and your thumbnails show up. If not, try the next part.

smac89

//  Immutable Stack Type using List

case class Stack[A] (elems: Seq[A] = List.empty[A]) {

    def push(v: A) : Stack[A] = Stack(v +: elems)
    def pushAll(xs: Iterable[A]) : Stack[A] =
        xs.foldLeft (this) ((accStack, e) => accStack.push(e))

    def pop(): Either[String, (A, Stack[A])] = {
        if (isEmpty) Left("Cannot pop from empty stack")