There is already an open DataReader associated with this Command which must be closed first
When your MVC 5 web application page tries to read the database using the Entity Framework in a loop you may get the following error message: InnerException: System.InvalidOperationException HResult=-2146233079 Message=There is already an open DataReader…
How to increase the security in a NetApp system
Use putty to connect to the IP address of the NetApp management port Log in with the Login and Password Start the System Console at the SP …> prompt type system console To change the root and naroot passwords type passwd for the Login: question…
Head tracking with a web camera and FaceTrackNoIR
FaceTrackNoIR is a free open source head tracking device to detect the movement of your head in simulation games. In a web browser go to http://facetracknoir.sourceforge.net/information_links/download.htm Download the full installer Run the…
Windows web service authentication in IIS Express
When you develop a SOAP web service in Visual Studio 2013 the IDE uses IIS Express for testing. To set up Windows authentication in IIS Express follow the steps below: Create a Local Security Group on your computer Right click Computer and select Manage…
How to sign in to your Windows 8 PC without an email address
When you set up Windows 8 the Sign in to your PC page asks you for your email address. It is you computer you should be able to use it without telling Microsoft your email address and other personal information. To use you computer without giving away…
How to remove Windows 8 and install Windows 7 on a Toshiba Satellite p50-A series laptop
If you want to remove the preinstalled Windows 8 from a new Toshiba Satellite P50-AST3GX2 laptop you need a Windows 7 DVD. You can buy the Windows 7 DVD at Amazon. The first step is to turn off UEFI in the BIOS and enable the legacy boot. This will…
How to completely shut down a Windows 8 computer
As I found out the hard way when you select “Shut down” on the Power icon in the lower right corner of the Windows 8 screen the computer does not really shut down, it only goes to hibernation mode. This cheat is the trick behind the…
How to remove Windows 8 and install Windows 7 on a Dell inspiron 7000 series laptop
If you want to remove the preinstalled Windows 8 from a new Dell inspiron 7000 series (7537) laptop you need an external USB DVD drive and a Windows 7 DVD. You can buy the LG external USB DVD drive for $40 at Best Buy, and the Windows 7 at Amazon. The…
How to disable Sticky Keys in Windows
When you press the Shift key five times Windows turns on a feature called Sticky Keys to help people to type with one hand. Sometimes this can cause inconvenience when you want to use two hands and just pressed the Shift key too many times. To turn off…
How to remove Windows 8 and install Windows 7 on a Sony VAIO SVF15N17CXB laptop
If you want to remove the preinstalled Windows 8 from a new Sony VAIO laptop you need an external USB DVD drive and a Windows 7 DVD. You can buy the LG external USB DVD drive for $40 at Best Buy, and the Windows 7 at Amazon. The first step is to turn off…