Take the following HTML snippet:

<ul> <li></li> <li></li> <li></li> <li>Second to Last</li> <li></li> </ul>

We would like to select the second to last list item (<li>). Here's how we'd go about doing that:

ul li:nth-last-child(2) { color: blue; }

Or, the inverse …

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#!/usr/bin/python import sys try: hex_val = str(sys.argv[1]) except Exception as e: sys.exit('Please provide a hex code as an argument (e.g. hex2rgb 333333).') r = int(hex_val[0:2], 16) g = int(hex_val[2:4], 16) b = int(hex_val[4:6], 16) print('{}, {}, {}'.format(r, g, b))

Append your ~/.bash_aliases with:

alias hex2rgb="~/bin/hex2rgb.py"

…

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