How to Fix "Sys.ArgumentTypeException: Object of type ‘Sys._Application’ cannot be converted to type ‘Sys._Application’." Error

In one of my client projects, we kept seeing this error, and basically ignored it for a long time. In our case, we saw the errors specifically on pages that included NewsGator Web Parts and we thought they might be the problem, but it was actually a problem with the SharePoint AJAX settings which NewsGator would…

Neat Trick to Ensure You’re Serving Up “Fresh” Script and CSS in SharePoint

This is a cool trick devised by one of my colleagues at my current client. (Confidentiality reigns supreme in client situations. Suffice it to say that this wasn’t my bright idea, but I give credit to the real thinker.) We were having trouble with caching of .js and .css files which we were deploying to the…