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.
Mob spawning, fire spread, block and mob drops can all be controlled via the command block. The command block can also be used in multiplayer server maps (SMP). Specific information on how to make the minecraft command block work after the jump! To use the command block, one simply right clicks on the block.The command GUI then opens. You can instruct the command block to perform actions by using the same sort of commands that have always been used in Minecraft SMP, in other words /give @p 1 1.he command block can also be used in multiplayer server maps (SMP). Specific information on how to make the minecraft command block work after the jump! To use the command block, one simply right clicks on the block. The command GUI then opens.