Total number of IPv4 addresses: 100,750,168. That’s the equivalent of just over six /8’s Also see this blog: https://toonk.io/aws-and-their-billions-in-ipv4-addresses/
just for fun, let's put a value number on that
Total value at, $20 per IP: => $2,015,003,360
Total value at, $25 per IP: => $2,518,754,200
| " plugins | |
| let need_to_install_plugins = 0 | |
| if empty(glob('~/.vim/autoload/plug.vim')) | |
| silent !curl -fLo ~/.vim/autoload/plug.vim --create-dirs | |
| \ https://raw.githubusercontent.com/junegunn/vim-plug/master/plug.vim | |
| let need_to_install_plugins = 1 | |
| endif | |
| call plug#begin() | |
| Plug 'tpope/vim-sensible' |
Many different applications claim to support regular expressions. But what does that even mean?
Well there are lots of different regular expression engines, and they all have different feature sets and different time-space efficiencies.
The information here is just copied from: http://regular-expressions.mobi/refflavors.html
NOTE: This is a question I found on StackOverflow which I’ve archived here, because the answer is so effing phenomenal.
If you are not into long explanations, see [Paolo Bergantino’s answer][2].
