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.
NEXTGEN TIPS: REMOTE ACCESS. How to log in remotely: MAC. Download the latest version of the Microsoft Remote Desktop App from the Mac App store. The Microsoft Remote Desktop App is only compatible with Mac OS 10.7 or later. 1.) Once installed use spotlight to locate App. Type Microsoft and click to open.