I saw this same question for VIM and it has been something that I myself wanted to know how to do for Emacs. In ReSharper I use CTRL-D for this action. What is the least num
There is package called Avy It has command avy-copy-line. When you use that command, every line in your window gets letter combination. Then you just have to type combination and you get that line. This also works for region. Then you just have to type two combination.