When hosting our web applications, we often have one public IP
address (i.e., an IP address visible to the outside world)
using which we want to host multiple web apps. For example, one
may wants to host three different web apps respectively for
example1.com, example2.com, and example1.com/images on
the same machine using a single IP address.
How can we do that? Well, the good news is Internet browsers
| Math.roundTo = (number, precision) -> | |
| Math.round(number * 10**precision) / 10**precision |
| #!/usr/bin/env ruby | |
| require 'json' | |
| require 'fileutils' | |
| include FileUtils | |
| # Parses the argument array _args_, according to the pattern _s_, to | |
| # retrieve the single character command line options from it. If _s_ is | |
| # 'xy:' an option '-x' without an option argument is searched, and an | |
| # option '-y foo' with an option argument ('foo'). |