Handling a fatal error in PHP from an AJAX call

Quite simply, I want my javascript to be able to react to a fatal 500 error caused by PHP, appropriately to the error.My goal is simply to collect the fatal error message that the script produced, so...

ASP.Net AJAX timeout although request is completing long bef

I have an ASP.Net application that makes an AJAX request to retrieve at report. The report can run for a long time so I set the asyncpostbacktimeout in to 600. However, when I try to run the report, if...