There are two way to check.first is you can directly check whether key contain A or not in binding like this:-. but i think this is not the better way so instead of this you can use ko.computed to check.
Check for operating system information in Windows 7. 1  Click the Start button , enter Computer in the search box, right-click Computer, and then click Properties. 2  Look under Windows edition for the version and edition of Windows that your PC is running.
If you get a new Windows 10 PC, how do you move files from your old computer that's running Windows XP, Windows Vista, or Windows 7? Microsoft has one answer, a software utility called PC Mover Express, which Microsoft (in partnership with LapLink) is offering for free until August 31, 2016.f you get a new Windows 10 PC, how do you move files from your old computer that's running Windows XP, Windows Vista, or Windows 7? Microsoft has one answer, a software utility called PC Mover Express, which Microsoft (in partnership with LapLink) is offering for free until August 31, 2016.