How To: Delete/Remove Services In Windows

Users can usually uninstall applications from their computers quite easily, however the same cannot be said for Windows services, of course you can disable a service, but the entry for it may still remain.

If you are looking for a way to completely delete a service from Windows here is how we can do this.

Open a command prompt, by going to Start > Run and type in cmd without the quotes and hit the Enter key.

Once a command prompt has opened up, type the command sc delete service name without the quotes

Once a service has been deleted you should see a message saying [SC] DeleteService SUCCESS, this should mean that the service has been deleted, to ensure that, just click on the refresh button in the services.msc window and confirm that the service has been deleted.

Note: You should always delete services in safe mode, just in case it causes you any problem, you may also want to create system restore points, just in case something goes wrong. But If you are a developer and its your own service then you don’t need to do this since you know about your service how it works. 

Get time in AM/PM Time format in SQL Server

There are times that you want to display non-Military or AM/PM time format. The standard Convert formats do not have an option to return the time in this format. The SQL below will return only the time portion of the current date/time in the AM/PM format. 

 

SELECT substring(convert(varchar(20), GetDate(), 9), 13, 5)
+ ' ' + substring(convert(varchar(30), GetDate(), 9), 25, 2)

You can use this to update see your custom results by updating getdate() with your date object.

C#: How to Get Machine name of the webserver

Here is how you can do using C#,

Response.Write("machinename " +System.Environment.MachineName +"<BR>" )

This gives you name computer where your webserver is located.

If you need with the domain name here is how you can achieve using the following code snippet:

You need to import following namespace to use this,

using System.Net; 

public static string GetServerMachineName()
{            
    string domainName = System.Net.NetworkInformation.IPGlobalProperties.GetIPGlobalProperties().DomainName;
    string hostName = Dns.GetHostName();
    string sysdn = "";
    if (!hostName.Contains(domainName))
        sysdn = hostName + "." + domainName;
    else
        sysdn = hostName;

    return sysdn;
}

Happy Coding

Running 32-bit Applications in 64-bit Environment

WOW64 is the x86 emulator that allows 32-bit Windows-based applications to run seamlessly on 64-bit Windows. WOW64 is provided with the operating system and does not have to be explicitly enabled. For more information, see WOW64 Implementation Details.

The system isolates 32-bit applications from 64-bit applications, which includes preventing file and registry collisions. Console, GUI, and service applications are supported. The system provides interoperability across the 32/64 boundary for scenarios such as cut and paste and COM. However, 32-bit processes cannot load 64-bit DLLs for execution, and 64-bit processes cannot load 32-bit DLLs for execution. This restriction does not apply to DLLs loaded as data files or image resource files; for more information, see LoadLibraryEx.

A 32-bit application can detect whether it is running under WOW64 by calling the IsWow64Process function. The application can obtain additional information about the processor by using the GetNativeSystemInfo function.

Note that 64-bit Windows does not support running 16-bit Windows-based applications. The primary reason is that handles have 32 significant bits on 64-bit Windows. Therefore, handles cannot be truncated and passed to 16-bit applications without loss of data. Attempts to launch 16-bit applications fail with the following error: ERROR_BAD_EXE_FORMAT.

Translation libraries

The WoW64 subsystem comprises a lightweight compatibility layer that has similar interfaces on all 64-bit versions of Windows. It aims to create a 32-bit environment that provides the interfaces required to run unmodified 32-bit Windows applications on a 64-bit system. Technically, WoW64 is implemented using three dynamic-link libraries (DLLs):

1. Wow64.dll, the core interface to the Windows NT kernel that translates between 32-bit and 64-bit calls, including pointer and call stack manipulations
2. Wow64win.dll, which provides the appropriate entry-points for 32-bit applications
3. Wow64cpu.dll, which takes care of switching the processor from 32-bit to 64-bit mode

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