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.
Make sure cheats are allowed. Minecraft has a built-in console feature that allows you to type in cheats at your command. However, you need to enable cheats in your game before you can use them in the console.There are several ways to do this: 1  In a single player game: Click the More World Options... button while setting up your game.nput your cheat command. There are many, many commands and cheats that you can type in to affect your game. In the section below, you can find a short list of some of the most entertaining commands. Note that this list is by no means complete â it's just meant to give you a taste of the console's capabilities.