Knockout includes a function called ko.isObservable() . You can call it like ko.isObservable(vm[key]) . Update from comment: Here is a function to determine if something is a computed observable: UPDATE: If you are using KO 2.1+ - then you can use ko.isComputed directly.
Command Block. The Command Block is a redstone-powered block that was made available in the 1.4 update for Minecraft. The Command Block will perform server Commands when attached to a redstone circuit. This block cannot be crafted, and only server operators are allowed to place and use them.
Commands and Cheats in Minecraft. This Minecraft tutorial explains how to use cheats and game commands with screenshots and step-by-step instructions. In Minecraft, there are cheats and game commands that you can use to change game modes, time, weather, summon mobs or objects, or find the seed used by the World Generator. Here is the list of the different game commands available in Minecraft PC. Game Mode Commands. Time Commands. Weather Commands.