Some queries I tried (results were not perfect but pretty decent):

    howdoi split string javascript
        var split = 'john smith~123 Street~Apt 4~New York~NY~12345'.split('~');

        var name = split[0];
        var street = split[1];

        etc...

    howdoi get day from date javascript
        var date = new Date();
        var day = date.getDay();

    howdoi iterate coffeescript
        ages = []
        ages["jim"] = 12
        ages["john"] = 7

        for k,v of ages
          console.log k + " is " + v
  
    howdoi get referrer url php
        <?php

        session_start();

        if (!isset($_SESSION["origURL"]))
          $_SESSION["origURL"] = $_SERVER["HTTP_REFERER"];

        ?>