Error message

  • Warning: array_slice() expects parameter 1 to be array, null given in tikal_meetup_events() (line 194 of /opt/tikal/htdocs/prd/sites/all/modules/custom/tikal_meetup/tikal_meetup.module).
  • Warning: array_push() expects parameter 1 to be array, null given in tikal_meetup_block_view() (line 140 of /opt/tikal/htdocs/prd/sites/all/modules/custom/tikal_meetup/tikal_meetup.module).
  • Warning: Invalid argument supplied for foreach() in include() (line 19 of /opt/tikal/htdocs/prd/sites/all/modules/custom/tikal_meetup/upcoming_and_past_teaser_events.tpl.php).
by zvika
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The technology to ensure (sorta) real-time updates on your web app is called, COMET. This is a giant hack, basically. There are three common ways to actually implement it. Polling, Long Polling and Continuous connection, by using the forever frame pattern/trick.