This adds all of the APIs available in Computercraft to LDT. So you can finally use Eclipse's autocompletion and documentation for ComputerCraft coding.
- In LDT/Koneki go to Window -> Preferences -> Lua -> Execution Environment
- Click add, and add provide it the zip of this Execution Environment
- If you didn't screw up the installation you should now be able to create new projects and select ccLDT as the Execution Environment
- You can also add it to an existing project by right-clicking it and opening up Build Path -> Add Libraries..., then you select Execution Environment -> ccLDT.