akf

    /**                                                                                                                         
     * Every three months (quarterly) on the first Monday of the month,                                                         
     * starting January 7 2019, until February 2, 2021 (issue #TODO)                                                            
     * DTSTART;TZID=America/New_York:20190107T170000                                                                            
     * RRULE:FREQ=MONTHLY;INTERVAL=3;BYDAY=1MO;WKST=MO;UNTIL=2021-02-01T18:00:00-0500                                           
     */
    function testQuarterlyOne()
    {
        $tz = new DateTimeZone("America/New_York");

akf

1) Rasberry Pi Cookbook
2) Machine Learning for Hackers
3) Javascript, the Definitive Guide, 6th Edition
4) Thinking with Data 
5) Mobile HTML5
6) Mind Hacks
7) Data Analysis with Open Source Tools
8) Interactive Data Visualization for the Web
9) Bad Data Handbook
10) Beautiful Testing