Disappearing folder – bug in Windows 7

In process of testing one of our automation software I hit interesting Windows 7 bug. First I found it in our software, and right away tested this scenario on Windows 7, and bug was there. The bug. Create folder on the Desktop. New folder appears and cursor blinks allowing to change the name for the …

Strange MAC addresses in your network (00:0D:3A:D7:F1:40 – 00:0D:3A:FF:FF:FF)

Today I noticed many strange MAC addresses in our LAN. The addresses looked very similar – only few bits were changing. Sometime this happens, when Ethernet cable is damaged or due to network card malfunction. Here are some sample MAC addresses I observed: 000d3a-fa6109 000d3a-fa6207 000d3a-fa6209 000d3a-fa6107 000d3a-fa6203 000d3a-fa6103 000d3a-fa6212 000d3a-fa6112 000d3a-fa610f 000d3a-fa620f It turns …

On production machine: AjaxControlToolkit requires ASP.NET Ajax 4.0 scripts.

I was helping my colleagues to debug one weird bug on ASP.NET 4.0 website. Everything worked well on developer’s machine, but after publishing to IIS 7.5 Windows 2008 R2 Webserver, we always got site partially working. Everything worked, except AJAX Control Toolkit controls. There were no any signs of errors. Ajax controls just were not …